Radar Landscapes Energy Tech Landscape of Germany
Energy Tech industry in Germany — illustrated cover for the Energy Tech Landscape of Germany
Radar · Industry landscape · Germany

Energy Tech Landscape of Germany

1,928 Energy Tech companies in Germany, in one picture: who is hiring, who is raising money, who founded them, where they are based, what the news is about, which skills employers want and where the research is going. Updated August 2026.

1,928companies tracked
$14.8Bdisclosed funding
237hiring right now
607events · 24 months
400,272news articles · 12 months

Who leads Energy Tech in Germany

Tracks 1,928 German energy‑tech firms, highlighting the top hiring firms (e.g., 1KOMMA5) and best‑funded firms (e.g., FINN), with 237 currently hiring and 272 having disclosed a funding round.

open roles
Hiring now
ranked by live open roles
  1. 011KOMMA511last posted Jun 2026
  2. 02Thermondo11last posted Jun 2026
  3. 03Etalytics10last posted May 2026
  4. 04INTILION10last posted Jun 2026
  5. 05SIV.AG9last posted Jun 2026
  6. 06EWE NETZ9last posted May 2026
  7. 07Reverion9last posted May 2026
  8. 08othermo9last posted May 2026
237 companies hiring · 2 posted in the last 30 days
disclosed funding
Most funded
disclosed totals, all rounds
  1. 01FINN$2BConventional Debt · Feb 2025
  2. 02Cloover Energy$1.3BSeries A · Jan 2026
  3. 03IONITY$883.9MSeries B · Oct 2021
  4. 04Volocopter$725.7MSeries E · Mar 2023
  5. 05Sunfire$694.2MConventional Debt · Jan 2025
  6. 06Lilium$686.1MPost IPO · Jul 2023
  7. 07TIER$642.9MConventional Debt · Oct 2021
  8. 08green flexibility$412MSeries D · Jan 2025
272 companies with disclosed rounds · $14.8B total
revenue
Revenue leaders
official filings first, else latest snapshot
  1. 01Akasol$3.5BFY2024 filing
  2. 02Twaice$639.8MFY2021 filing
  3. 03SEG Automotive$268.6MFY2023 filing
  4. 04EMH Metering$75.6MFY2019 filing
  5. 05The Mobility House$48.4Msnapshot Dec 2023
  6. 06Schottel Hydro$16.7MFY2025 filing
  7. 07Entrix$15.1MFY2021 filing
  8. 08Hubject$14.1Msnapshot Dec 2022
27 companies with a revenue figure
headcount
Largest teams
ranked by tracked headcount
  1. 01VARTA4,216tracked employees
  2. 02FRIWO1,987tracked employees
  3. 031KOMMA51,400tracked employees
  4. 04Lilium864tracked employees
  5. 05VIVAVIS820tracked employees
  6. 06Tesla Automation800tracked employees
  7. 07Schottel Hydro733tracked employees
  8. 08KISTERS547tracked employees
154 companies with headcount data
share of events
Share of voice
share of all tracked sector news events, 24 months
  1. 01Lilium9.9%68 tracked events
  2. 02thyssenkrupp nucera9.0%62 tracked events
  3. 03Voltabox5.2%36 tracked events
  4. 04Mercedes-Benz Future Bus4.8%33 tracked events
  5. 05SFC Energy4.8%33 tracked events
  6. 06fox e-mobility4.4%30 tracked events
  7. 07VARTA3.4%23 tracked events
  8. 08Envitec-Biogas2.3%16 tracked events
686 tracked events across 110 companies
articles
In the news
Prism news coverage, last 12 months
  1. 01BMZ161articles in the window
  2. 02thyssenkrupp nucera74articles in the window
  3. 03Enpal41articles in the window
  4. 04IONITY40articles in the window
  5. 05VARTA35articles in the window
  6. 06Volocopter33articles in the window
  7. 07Diehl Metering33articles in the window
  8. 08reev29articles in the window
90 of these companies drew sector coverage in the window
Radar

See all 1,928 Energy Tech companies in Germany

Filter by funding, headcount, hiring and location, and export the list.

How the Energy Tech ecosystem in Germany grew, 2016–2025

Shows yearly company formation counts, peaking at 135 new firms in 2020 and falling to 9 in 2025.

Companies founded / year
new Energy Tech companies in Germany
2016: 882017: 1122018: 1162019: 1282020: 1352021: 1112022: 712023: 622024: 202025: 9
20162025
peak 135 in 2020
Companies raising / year
with a disclosed round that year
20162025
peak 72 in 2022
Disclosed funding / year
sum of disclosed rounds (USD)
2016: 282,080,3152017: 352,979,3352018: 272,182,0312019: 595,094,7602020: 1,002,056,0842021: 2,138,846,9022022: 2,458,231,7792023: 1,396,751,9562024: 1,272,485,4992025: 2,359,678,548
20162025
peak $2.5B in 2022

Where Energy Tech companies in Germany are based

Berlin skyline — Energy Tech hub in Germany
Hub 01
Berlin
264 Energy Tech companies
41% of the Energy Tech companies across these hubs
264companies
$4.5Bdisclosed funding
22hiring now
Photo Wikipedia · Berlin · CC BY-SA 4.0
Munich skyline — Energy Tech hub in Germany
Hub 02
Munich
142 Energy Tech companies
22% of the Energy Tech companies across these hubs
142companies
$4.4Bdisclosed funding
24hiring now
Photo Wikipedia · Munich · CC BY-SA 4.0
Hamburg skyline — Energy Tech hub in Germany
Hub 03
Hamburg
58 Energy Tech companies
9% of the Energy Tech companies across these hubs
58companies
$57.4Mdisclosed funding
10hiring now
Photo Wikipedia · Hamburg · CC BY-SA 4.0
Stuttgart skyline — Energy Tech hub in Germany
Hub 04
Stuttgart
45 Energy Tech companies
7% of the Energy Tech companies across these hubs
45companies
$21.1Mdisclosed funding
3hiring now
Photo Wikipedia · Stuttgart · CC BY-SA 4.0
Cologne skyline — Energy Tech hub in Germany
Hub 05
Cologne
36 Energy Tech companies
6% of the Energy Tech companies across these hubs
36companies
$83.5Mdisclosed funding
8hiring now
Photo Wikipedia · Cologne · CC BY-SA 4.0
Dresden skyline — Energy Tech hub in Germany
Hub 06
Dresden
36 Energy Tech companies
6% of the Energy Tech companies across these hubs
36companies
$958.9Mdisclosed funding
7hiring now
Photo Wikipedia · Dresden · CC BY-SA 4.0
Aachen skyline — Energy Tech hub in Germany
Hub 07
Aachen
31 Energy Tech companies
5% of the Energy Tech companies across these hubs
31companies
$238.8Mdisclosed funding
6hiring now
Photo Wikipedia · Aachen · CC BY-SA 4.0
Frankfurt Am Main, a Energy Tech hub in Germany
Hub 08
Frankfurt Am Main
26 Energy Tech companies
4% of the Energy Tech companies across these hubs
26companies
$32.2Mdisclosed funding
6hiring now
generated artwork

The Energy Tech market map of Germany: what these companies actually do

Breaks down product sub‑categories, noting enterprise tech (1,117 firms) as the largest, and shows common revenue models such as physical commerce (860 firms) and subscriptions (710 firms).

  • Enterprise Tech1,117 companies · $11.5B raised · 174 hiring
  • Consumer Digital610 companies · $7.7B raised · 54 hiring
  • Green Transport554 companies · $6.3B raised · 51 hiring
  • Deep Tech460 companies · $5.9B raised · 66 hiring
  • Enterprise Software321 companies · $864.2M raised · 56 hiring
  • SaaS242 companies · $2.3B raised · 49 hiring
  • Energy SaaS183 companies · $1.7B raised · 37 hiring
  • Electric Vehicle Charging163 companies · $716.6M raised · 19 hiring
  • Smart Buildings132 companies · $168.4M raised · 23 hiring
  • Sustainable Batteries119 companies · $1.8B raised · 18 hiring
  • Solar Energy Tech111 companies · $948.9M raised · 9 hiring
  • Building Energy Management System91 companies · $108.9M raised · 14 hiring

Monetization

How Energy Tech companies make money

How many companies earn revenue each way. Plenty use more than one model, so the counts add up to more than the sector.

Physical Commerce860
Subscription710
E-Commerce - Product615
Commission on Transaction330
Fee-For-Service265
E-Commerce - Service131
Advertising91
Renting / Leasing30

Funding, M&A and the deals moving Energy Tech in Germany

Funding 109Contracts 88Earnings 71M&A 68Leadership 66Announcement 52Lawsuit 44Capital 33Assets 33Layoffs 13
  • FundingGermany’s Reverion is advancing energy systems that enhance the efficiency of biogas and renewable power generation.2026-04-27
  • FundingPolish investment firm Warsaw Equity Group has led a €5 million Series A funding round in German EV charging technology company &Charge, joining forces with Porsche Ventures and existing backers including InnoEnergy and Redstone.2026-04-24
  • FundingPAUL Tech AG secures EUR 40 million credit facility to support further growth2026-04-17
  • M&ADaimler extends its interests into the New Energy Vehicles (NEV) in China by acquiring a 3.93 percent stake in Beijing Electric Vehicle Company (BJEV), a BAIC Group subsidiary.2026-04-15
  • FundingBerlin, 7. April 2026 (PM) – Baker McKenzie has advised a consortium of investors led by Junction Growth Investors, Korys and BNP Paribas (through its Solar Impulse Venture Fund) in connection with the financing of the flexibility marketer and battery optimizer Entrix. The consortium of investors has additional capital of 43 million. Euro invested in Entrix.2026-04-07
  • FundingAmong the largest financings were Kiavi ($350 million, debt), Dwelly ($50 million, debt), Metiundo ($47.6 million, Series A), OneDome ($34.2 million, Series C), Stake ($31 million, Series B), Ownwell ($30 million, Series B), and Orchard ($30 million, venture).2026-03-06
  • FundingThe investor consortium comprising the Paris-based Next Generation Fuels Industrial & Technological fund Calderion (Audacia), alongside infrastructure developer Terravent and WenCo Family Office, announces the closing of a strategic double-digit million-euro financing round for Berlin-based Graforce GmbH.2026-02-25
  • M&AIntertek has purchased AePVI, a German company that provides high-speed drone and ground-based inspection solutions for solar systems.2026-02-19
  • M&AThe purchase contract with the newly founded Sushi Bikes GmbH entered into force on 01.02.2026.2026-02-12
  • FundingIn Germany, Berlin-based Ostrom raised €20 million to accelerate smart meter adoption and expand its virtual power plant capabilities, making it a directly comparable domestic example.2026-02-10

Mergers and acquisitions

Deals from the last 24 months where a Energy Tech company in Germany was the buyer or the one bought, newest first. “Undisclosed” means the price was never published — not that the deal was worth nothing.

AcquirerTargetDeal valueStatusDate
Mercedes-Benz Future BusBeijing Electric Vehicle Company (BJEV)undisclosedAnnounced2026-04-15
baicMercedes-Benz Future BusundisclosedAnnounced2026-04-15
schaefflerVitesco TechnologiesundisclosedAnnounced2026-04-15
Mercedes-Benz Future BushailoundisclosedCompleted2026-04-14
NaMercedes-Benz Future BusundisclosedCompleted2026-04-12
intertekAePVIundisclosedCompleted2026-02-19

Who is listing, hiring leaders, launching and winning work

Provides details on IPO filings, leadership changes, product launches and contract wins for the sector’s companies.

IPO pipeline
4 companies listed or filing · last 24 months
Leadership moves
9 tracked people moves · last 12 months
  • QwelloLars Balzer · Appointment — was Deputy Chairman of QwelloMar 2026
  • Westbridge AdvisoryAdam Savitz · Appointment → Director SustainabilityFeb 2026
  • fox e-mobilityPatrick E. Bigger · Appointment → Chairman of the Management BoardNov 2025
  • fox e-mobilityPhilippe Perret · Appointment → Member of the Management BoardNov 2025
  • fox e-mobilityDr.-Ing. Andreas Lemm · Appointment → Member of the Supervisory BoardNov 2025
  • ThyssengasDr Thomas Gößmann · Retirement — was Chief Executive OfficerOct 2025
  • ThyssengasDr Stefanie Kesting · Appointment → Chief Executive OfficerOct 2025
  • ElisoJohannes Brodführer · Resignation — was Chief Executive OfficerSep 2025
Product launches
tracked launches · last 12 months
  • reevreev platform (Platform)Jan 2026
  • thyssenkrupp nuceranucera administrator (Electrolyzer maintenance planning software)Sep 2025
  • thyssenkrupp nucera360° Life Cycle Service Portfolio (Electrolysis plant maintenance and support)Sep 2025
Contract wins
55 customer wins · last 24 months
Workforce actions
8 companies cutting roles · last 24 months
Regulatory & litigation
10 regulatory events · 29 tracked suits · 24 months
  • PAULapproved for refinancingSep 2025
  • fox e-mobilitytrading resumed — Düsseldorf Stock ExchangeAug 2025
  • Mercedes-Benz Future Busrecall requestJul 2025
  • Voltabox — EQS GroupFeb 2025
  • coalition of attorneys general v mercedes-benz usa, Daimleremission cheating devices · SettledDec 2025
  • United States government, California state regulators v mercedes-benz usa, Daimleremissions cheating allegations · SettledDec 2025
Earnings pulse
companies reporting results · last 24 months
16 companies reporting70 company-quarters trackedbeat 3miss 1in line 2

Half of these companies grew revenue faster than +10.0%, half slower.

Who is building Energy Tech in Germany

Profiles 1,452 founders and CEOs across 923 firms, with RWTH Aachen (15 alumni) and Technical University of Munich (10 alumni) most represented, and former employers like McKinsey (8) and Microsoft (3).

Founders and chief executives12 of 1,452, from the best-funded companies on this page
Andreas Stryz
Co-Founder & CTO
Andreas Stryz

Picus Capital, ex-Founder trbo, Westwing. Bielefeld University BSc 2009, Karlsruhe Institute of Technology MSc 2012

Valentin Gonczy
Co-Founder, CPO & COO
Valentin Gonczy

Co-Founder, CPO & COO-Cloover · Ex-Co-Founder-infinight · University of Geneva LLB 2018, LLM 2020

Jeroen Van Tilburg
Chief Executive Officer
Jeroen Van Tilburg

Ionity, ex-Tesla, ex-Netflix, Northwestern University - Kellogg School of Management, 2010

Dirk Hoke
CEO
Dirk Hoke

Ex- Airbus Group, Siemens. Technical University of Braunschweig 1994

Nils Aldag
CEO
Nils Aldag

Hydrogen Europe, ex-Ara Partners, ex-Renewable Hydrogen Coalition, EBS Universität für Wirtschaft und Recht, 2009

Patrick Nathen
Co-Founder
Patrick Nathen

Dusseldorf University of Applied Sciences 2010, Technical University Munich 2012, 2015

Julian Blessin
Co-Founder
Julian Blessin

Limited Partner - Speedinvest · Co-Founder TIER Mobility, Fruity Ventures, ex-NIST, BCG Digital Ventures · Ludwig-Maximilians-University Munich PhD

Christoph Ostermann
Co-Founder, CEO & MD
Christoph Ostermann

Founder & CEO Green Fortress, ex-Co-Founder sonnen, CAPinside.

Alex Melzer
Co-Founder & Board Member
Alex Melzer

Revent, ex-Zolar, ex-Soventix, Technische Universität Dresden / TU Dresden, 2009

Philipp Engelkamp
Managing Director & Co-Founder
Philipp Engelkamp

Ineratec Schweiz, ex-Schlegel Und Partner, ex-Basf, Karlsruher Institut für Technologie (KIT), 2013

Duarte Braga
CEO
Duarte Braga

Ex-McKinsey, System PLM Software · INSEAD MBA 2000

Thomas Antonioli
Co-Founder & CFO
Thomas Antonioli

Terra One, ex-Grover, ex-Kreditech, Frankfurt School of Finance & Management, 2017

Where the founders studied
alma mater on record for 104 of 1,452 founders
RWTH Aachen University15
Technical University of Munich10
Technische Universität Berlin9
Imperial College London8
The Karlsruhe Institute of Technology6
University of Oxford5
INSEAD5
University of Cambridge5
Where they worked before
a previous employer on record for 19 of 1,452 founders
McKinsey8
Microsoft3
Boston Consulting Group2
Intel2
Apple1
Uber1
Bain1
Goldman Sachs1
Founders flagged as repeat founders
of 1,110 founders with a profile on this page
7
carry a repeat-founder flag
  • flagged as repeat founders7
  • no repeat-founder flag1,103
Women and men among the founders
first names matched for 1,355 of 1,452 founders
6%
of matched founders are women
  • women85
  • men1,270
Inferred from first names, using 119 million people who state their own gender: a first name counts only where at least 20 of them share it and at least 90% of those share the same gender. The other 97 founders go in neither column.
Radar

Look up the people behind Energy Tech companies in Germany

Search founders, executives and operators by company, role and location.

Who funds Energy Tech in Germany

Documents 866 funding rounds since 2016 from 860 investors, with a typical round size of $3.2 million.

Investor · most active investors since 2016RoundsLedLatest
Europa164May 2026
EIC Fund393Sep 2024
HTGF3616Dec 2025
EIT InnoEnergy2313Apr 2026
Bayern Kapital186Apr 2026
UVC Partners183Sep 2024
Vireo Ventures165Feb 2026
Speedinvest154Jun 2025
SpinLab14May 2023
HV Capital137Jan 2025
Stage mix · rounds since 2016
Seed & Angel247
Series A–B219
Series C+ / PE71
Grants, debt & other329

The typical round is $3.2M — half were bigger, half smaller.

The biggest Energy Tech funding rounds in Germany

Highlights the largest disclosed round—IONITY’s $791 million Series B—and lists ten other large recent rounds.

CompanyRoundSizeWhenBackers
IONITYSeries Bmega-round$791MOct 2021BlackRock
green flexibilitySeries Dmega-round$412MJan 2025Partners Group
TIERSeries Cmega-round$250MNov 2020Mubadala, Northzone, White Star Capital +6 more
VolocopterSeries D$240.9MMar 2021BlackRock, Avala Capital, Continental +12 more
LiliumSeries C$239.5MMar 2020Tencent, Atomico, Obvious Ventures +2 more
SunfireSeries E$233.3MMar 2024LGT Group, GIVA, Ahren +9 more
TIERSeries D$200MOct 2021Mubadala, M&G, SoftBank Vision Fund +7 more
VolocopterSeries E$182MNov 2022GLy Capital, Neom, Sumitomo
VolocopterSeries E$170MMar 2022WP Investment, Honeywell, Whysol Investments +2 more
Jolt EnergySeries D$165.7MMay 2023InfraRed Capital Partners
Venture round sizes · 2023–2025
<$1M9
$1–10M64
$10–50M45
$50–250M9
>$250M1

128 venture rounds with a disclosed amount in the window.

Fresh cheques · last 6 months

What the news says about Energy Tech in Germany

Counts 400,272 news articles in the last year, most frequently covering geopolitical disputes, international relations and administrative regions.

News volume
Energy Tech coverage across Germany · articles per quarter
2021Q2: 67,9082021Q3: 74,8792021Q4: 62,9252022Q1: 81,4532022Q2: 76,3412022Q3: 74,3502022Q4: 90,2782023Q1: 92,9782023Q2: 84,6952023Q3: 93,4402023Q4: 80,5902024Q1: 100,5922024Q2: 111,8532024Q3: 107,0982024Q4: 110,0092025Q1: 155,8602025Q2: 94,0682025Q3: 159,8302025Q4: 77,7032026Q1: 78,724
2021Q22026Q1
peak 159,830 in 2025Q3 · 400,272 articles in the last 12 tracked months
Tone of coverage
share of articles by dominant sentiment (positive / neutral / negative)
202120232025
Positive-tone share moved 51% → 45%, negative 35% → 25% across 2021–2025.

What the coverage is about

The subjects that dominate Energy Tech news in Germany. The arrow shows whether each one is being written about more or less than a year ago.

  • Geopolitical disputes and contested areas300,925▲+33%
  • International and transnational geographic entities300,921▲+33%
  • Administrative and political subdivisions300,873▲+33%
  • International political relations61,544→+8%
  • Security and defense policies42,284▲+22%
  • International sports competitions34,791▼-43%
  • International relations and diplomacy25,907▲+18%
  • Olympic games coverage18,442▼-49%
  • Professional league updates16,274→+4%
  • Trade policies and agreements14,443▼-14%
Most-covered companies · last 12 months

90 Energy Tech companies here were named in the news over this period.

Prism

Watch Energy Tech coverage in Germany as it happens

Prism follows these subjects story by story — which companies are named, what is said about them and how the tone moves.

Momentum

The words getting louder — and quieter

Which terms are showing up in more stories than a year ago, and which are fading. The percentage is the change in how many articles mention them.

countries+125%multilateral diplomacy+50%national security strategy+54%study overseas+76%overseas study+74%oil price volatility+214%aerial bombardments+181%semester abroad+75%quarterly financials+44%commodity futures+95%
europa league-80%nationalist composers-100%olympic team selections-60%aleatoric music-99%quarterfinals-72%

The pressures the press keeps returning to

Three recurring angles in Germany Energy Tech coverage, and whether each is getting more attention year on year (through 2025).

Regulatory Risk ▲ rising
755,487 articles touch this dimension · 24.0% critical tone
20212025
signals: territories, disputed islands, countries
Funding Momentum ▲ rising
77,913 articles touch this dimension · 41.1% critical tone
20212025
signals: inflation reports fx, currency intervention policies, eur/usd
Growth ▲ rising
195,366 articles touch this dimension · 29.6% critical tone
20212025
signals: gdp growth rate, gdp acceleration, economic output growth

Energy Tech jobs in Germany: who is hiring and what they ask for

Aggregates 983 job postings from 165 employers in the past year, emphasizing skills like TypeScript and React, with a median advertised salary of $45 k per year.

983postings · last 12 months
2,892postings tracked overall
165employers advertising
$45kmedian advertised salary/yr (n=55)

Demand

The Skills Employers Ask For

What Energy Tech employers in Germany put in their job ads. The bar is how many postings ask for it; the arrow shows whether demand grew or shrank against the year before.

  • typescript16
  • linkedin14
  • react10
  • hubspot9
  • postgresql9
  • aws8
  • node.js8
  • solar installation7
  • greentech7
  • saas7
What level are these roles?
Entry34
Intern40
Senior206
Lead126
Manager353
Most advertised titles
  • Elektroniker / Elektriker110
  • Anlagenmechaniker Shk96
  • Außendienstmitarbeiter74
  • Quereinsteiger Installationsbereich38
  • Sales Manager/ Account Manager (M/W/D) Für Den Vertrieb Von Dienstleistungen In Der Wohnungswirtschaft28
  • Servicetechniker21

What Energy Tech research is working on

Indexes 53,205 academic papers, of which 3,843 identify common problems, 1,267 issue cautions, and 41,757 discuss opportunities.

How this field talks about itself
Energy Tech papers (gold) against all published research (grey)
Promising47.6% · 37.1%1.3×
Breakthrough30.9% · 26.7%1.2×
Descriptive8.1% · 17.1%0.5×
Problem-identifying7.0% · 9.6%0.7×
Comparative3.8% · 3.8%≈ par
Cautionary2.4% · 4.6%0.5×
How the work is done
Methods-led61.2%
Empirical22.3%
Reviews14.5%
Position pieces1.6%
Theoretical0.4%
How the research reads

96% positive · 3% neutral · 1% negative, across 53,205 papers.

The institutions behind the field
  • Chinese Academy of Sciences132k
  • Tsinghua University74k
  • Nanyang Technological University61k
  • University of California, Los Angeles45k
  • The University of Texas at Austin44k
  • Nankai University36k

ranked by how often their work is cited

Researchers who shaped it

Bruce Dunn · Patrice Simon · Jean‐Marie Tarascon · Yury Gogotsi · Yang‐Kook Sun · Haresh Kamath · Arumugam Manthiram · Yi Cui

The most-cited breakthroughs
  • Supercapacitor Devices Based on Graphene Materials · 3k cites
  • Graphene Anchored with Co<sub>3</sub>O<sub>4</sub> Nanoparticles as Anode of Lithium Ion Batteries with Enhanced Reversible Capacity and Cyclic Perfor · 2k cites
  • Challenges and Prospects of Lithium–Sulfur Batteries · 2k cites
  • Nitrogen-doped mesoporous carbon of extraordinary capacitance for electrochemical energy storage · 2k cites
  • Electrochemical Na Insertion and Solid Electrolyte Interphase for Hard‐Carbon Electrodes and Application to Na‐Ion Batteries · 2k cites
Common problems researchers identify3,636 papers · 7 recurring themes
Energy Storage System Challenges — Common problems researchers identify
Problems · theme 01
Energy Storage System Challenges
738 papers · 20.3% of this block
2022: 1,155 of every 10,000 papers on this subject2023: 1,240 of every 10,000 papers on this subject2024: 1,158 of every 10,000 papers on this subject2025: 1,512 of every 10,000 papers on this subject2022: 1,155 of every 10,000 papers on this subject2023: 1,240 of every 10,000 papers on this subject2024: 1,158 of every 10,000 papers on this subject2025: 1,512 of every 10,000 papers on this subject▲ +31% share2022→2025 share of research on this subject
Researchers outline barriers and trade‑offs in deploying large‑scale storage for future power grids.
Energy storage · Renewable energy · Environmental economics · Energy
“Comparative Review of Energy Storage Systems, Their Roles, and Impacts on Future Power Systems”
738 of these papers raise it as a problem
Battery Electrode Material Limits — Common problems researchers identify
Problems · theme 02
Battery Electrode Material Limits
617 papers · 17.0% of this block
2022: 477 of every 10,000 papers on this subject2023: 477 of every 10,000 papers on this subject2024: 419 of every 10,000 papers on this subject2025: 515 of every 10,000 papers on this subject2022: 477 of every 10,000 papers on this subject2023: 477 of every 10,000 papers on this subject2024: 419 of every 10,000 papers on this subject2025: 515 of every 10,000 papers on this subject▲ +8% share2022→2025 share of research on this subject
Studies highlight difficulties in improving anode and cathode performance for next‑generation batteries.
Anode · Cathode · Energy storage · Battery
“Developing Cathode Materials for Aqueous Zinc Ion Batteries: Challenges and Practical Prospects”
617 of these papers raise it as a problem
Lithium and Flow Battery Constraints — Common problems researchers identify
Problems · theme 03
Lithium and Flow Battery Constraints
557 papers · 15.3% of this block
2022: 65 of every 10,000 papers on this subject2023: 65 of every 10,000 papers on this subject2024: 68 of every 10,000 papers on this subject2025: 82 of every 10,000 papers on this subject2022: 65 of every 10,000 papers on this subject2023: 65 of every 10,000 papers on this subject2024: 68 of every 10,000 papers on this subject2025: 82 of every 10,000 papers on this subject▲ +26% share2022→2025 share of research on this subject
Papers discuss performance ceilings and safety concerns of lithium‑ion and flow battery technologies.
Battery · Energy storage · Lithium · Flow battery
“Electrical energy storage for transportation—approaching the limits of, and going beyond, lithium-ion batteries”
557 of these papers raise it as a problem
Electrolyte Design Obstacles — Common problems researchers identify
Problems · theme 04
Electrolyte Design Obstacles
442 papers · 12.2% of this block
2022: 523 of every 10,000 papers on this subject2023: 537 of every 10,000 papers on this subject2024: 467 of every 10,000 papers on this subject2025: 542 of every 10,000 papers on this subject2022: 523 of every 10,000 papers on this subject2023: 537 of every 10,000 papers on this subject2024: 467 of every 10,000 papers on this subject2025: 542 of every 10,000 papers on this subject▲ +4% share2022→2025 share of research on this subject
Works examine how electrolyte chemistry hampers high‑capacity and stable lithium‑based storage.
Electrolyte · Fast ion conductor · Lithium · Electrochemistry
“Electrolyte-Additive-Driven Interfacial Engineering for High-Capacity Electrodes in Lithium-Ion Batteries: Promise and Challenges”
442 of these papers raise it as a problem
Renewable‑Grid Integration Issues — Common problems researchers identify
Problems · theme 05
Renewable‑Grid Integration Issues
436 papers · 12.0% of this block
2022: 1,723 of every 10,000 papers on this subject2023: 1,836 of every 10,000 papers on this subject2024: 1,690 of every 10,000 papers on this subject2025: 2,333 of every 10,000 papers on this subject2022: 1,723 of every 10,000 papers on this subject2023: 1,836 of every 10,000 papers on this subject2024: 1,690 of every 10,000 papers on this subject2025: 2,333 of every 10,000 papers on this subject▲ +35% share2022→2025 share of research on this subject
Analyses focus on technical and operational problems when coupling renewables with electric grids.
Renewable energy · Photovoltaic system · Grid · Electricity
“A Review of Hybrid Renewable/Alternative Energy Systems for Electric Power Generation: Configurations, Control, and Applications”
436 of these papers raise it as a problem
Supercapacitor Material Barriers — Common problems researchers identify
Problems · theme 06
Supercapacitor Material Barriers
431 papers · 11.9% of this block
2022: 4,850 of every 10,000 papers on this subject2023: 4,688 of every 10,000 papers on this subject2024: 4,793 of every 10,000 papers on this subject2025: 3,661 of every 10,000 papers on this subject2022: 4,850 of every 10,000 papers on this subject2023: 4,688 of every 10,000 papers on this subject2024: 4,793 of every 10,000 papers on this subject2025: 3,661 of every 10,000 papers on this subject▼ -24% share2022→2025 share of research on this subject
Research points to nanostructure and scalability challenges limiting supercapacitor adoption.
Supercapacitor · Nanotechnology · Energy storage · Electrochemical energy storage
“Flexible and Stretchable Energy Storage: Recent Advances and Future Perspectives”
431 of these papers raise it as a problem
Hydrogen Storage Difficulties — Common problems researchers identify
Problems · theme 07
Hydrogen Storage Difficulties
415 papers · 11.4% of this block
2022: 307 of every 10,000 papers on this subject2023: 333 of every 10,000 papers on this subject2024: 335 of every 10,000 papers on this subject2025: 354 of every 10,000 papers on this subject2022: 307 of every 10,000 papers on this subject2023: 333 of every 10,000 papers on this subject2024: 335 of every 10,000 papers on this subject2025: 354 of every 10,000 papers on this subject▲ +15% share2022→2025 share of research on this subject
Studies identify efficiency, safety, and material hurdles for hydrogen as an energy carrier.
Hydrogen storage · Hydrogen · Thermal energy storage · Energy storage
“Hydrogen Storage Technologies for Future Energy Systems”
415 of these papers raise it as a problem
Cautions1,184 papers · 7 recurring themes
Economic Viability of Storage — Cautions
Cautions · theme 01
Economic Viability of Storage
261 papers · 22.0% of this block
2022: 1,406 of every 10,000 papers on this subject2023: 1,479 of every 10,000 papers on this subject2024: 1,352 of every 10,000 papers on this subject2025: 1,809 of every 10,000 papers on this subject2022: 1,406 of every 10,000 papers on this subject2023: 1,479 of every 10,000 papers on this subject2024: 1,352 of every 10,000 papers on this subject2025: 1,809 of every 10,000 papers on this subject▲ +29% share2022→2025 share of research on this subject
Authors caution that cost‑benefit analyses often reveal limited financial returns for storage projects.
Energy storage · Renewable energy · Environmental economics · Electricity
“Development of Energy Storage Systems for Power Network Reliability: A Review”
261 of these papers raise it as a problem
Grid Stability with Renewables — Cautions
Cautions · theme 02
Grid Stability with Renewables
216 papers · 18.2% of this block
2022: 1,723 of every 10,000 papers on this subject2023: 1,836 of every 10,000 papers on this subject2024: 1,690 of every 10,000 papers on this subject2025: 2,333 of every 10,000 papers on this subject2022: 1,723 of every 10,000 papers on this subject2023: 1,836 of every 10,000 papers on this subject2024: 1,690 of every 10,000 papers on this subject2025: 2,333 of every 10,000 papers on this subject▲ +35% share2022→2025 share of research on this subject
Works warn about potential instability and reliability risks when integrating variable renewable sources.
Renewable energy · Photovoltaic system · Grid · Electricity
“Impacts of Renewable Energy Integration on Power System Stability”
216 of these papers raise it as a problem
Thermal Storage Material Risks — Cautions
Cautions · theme 03
Thermal Storage Material Risks
201 papers · 17.0% of this block
2022: 180 of every 10,000 papers on this subject2023: 189 of every 10,000 papers on this subject2024: 191 of every 10,000 papers on this subject2025: 239 of every 10,000 papers on this subject2022: 180 of every 10,000 papers on this subject2023: 189 of every 10,000 papers on this subject2024: 191 of every 10,000 papers on this subject2025: 239 of every 10,000 papers on this subject▲ +32% share2022→2025 share of research on this subject
Papers highlight durability and performance uncertainties of thermal and latent‑heat storage media.
Thermal energy storage · Energy storage · Thermal · Latent heat
“Sorption heat storage for long-term low-temperature applications: A review on the advancements at material and prototype scale”
201 of these papers raise it as a problem
Alternative Battery Chemistry Concerns — Cautions
Cautions · theme 04
Alternative Battery Chemistry Concerns
182 papers · 15.4% of this block
2022: 805 of every 10,000 papers on this subject2023: 823 of every 10,000 papers on this subject2024: 730 of every 10,000 papers on this subject2025: 872 of every 10,000 papers on this subject2022: 805 of every 10,000 papers on this subject2023: 823 of every 10,000 papers on this subject2024: 730 of every 10,000 papers on this subject2025: 872 of every 10,000 papers on this subject▲ +8% share2022→2025 share of research on this subject
Research raises safety and lifecycle questions for emerging anode, cathode, and electrolyte systems.
Anode · Cathode · Electrolyte · Lithium
“Electrode Materials for Rechargeable Sodium‐Ion Batteries: Potential Alternatives to Current Lithium‐Ion Batteries”
182 of these papers raise it as a problem
Nanostructured Supercapacitor Safety — Cautions
Cautions · theme 05
Nanostructured Supercapacitor Safety
142 papers · 12.0% of this block
2022: 1,018 of every 10,000 papers on this subject2023: 1,004 of every 10,000 papers on this subject2024: 869 of every 10,000 papers on this subject2025: 959 of every 10,000 papers on this subject2022: 1,018 of every 10,000 papers on this subject2023: 1,004 of every 10,000 papers on this subject2024: 869 of every 10,000 papers on this subject2025: 959 of every 10,000 papers on this subject▼ -6% share2022→2025 share of research on this subject
Studies point to reliability and degradation issues in advanced nanomaterial‑based supercapacitors.
Supercapacitor · Capacitance · Electrochemistry · Nanotechnology
“Progress and Perspectives on Promising Covalent‐Organic Frameworks (COFs) Materials for Energy Storage Capacity”
142 of these papers raise it as a problem
Battery Thermal Runaway Risks — Cautions
Cautions · theme 06
Battery Thermal Runaway Risks
117 papers · 9.9% of this block
2022: 68 of every 10,000 papers on this subject2023: 73 of every 10,000 papers on this subject2024: 50 of every 10,000 papers on this subject2025: 72 of every 10,000 papers on this subject2022: 68 of every 10,000 papers on this subject2023: 73 of every 10,000 papers on this subject2024: 50 of every 10,000 papers on this subject2025: 72 of every 10,000 papers on this subject▲ +7% share2022→2025 share of research on this subject
Authors emphasize the need for better management of overheating and failure modes in storage batteries.
Battery · Thermal runaway · Energy storage · State of charge
“Studying Abuse Testing on Lithium-Ion Battery Packaging for Energy Storage Systems”
117 of these papers raise it as a problem
Flow Battery Electrolyte Imbalance — Cautions
Cautions · theme 07
Flow Battery Electrolyte Imbalance
65 papers · 5.5% of this block
2022: 230 of every 10,000 papers on this subject2023: 224 of every 10,000 papers on this subject2024: 202 of every 10,000 papers on this subject2025: 260 of every 10,000 papers on this subject2022: 230 of every 10,000 papers on this subject2023: 224 of every 10,000 papers on this subject2024: 202 of every 10,000 papers on this subject2025: 260 of every 10,000 papers on this subject▲ +13% share2022→2025 share of research on this subject
Works caution that electrolyte degradation can sharply reduce efficiency and lifespan of flow batteries.
Flow battery · Redox · Vanadium · Electrolyte
“Vanadium redox flow battery capacity loss mitigation strategy based on a comprehensive analysis of electrolyte imbalance effects”
65 of these papers raise it as a problem
Opportunities39,303 papers · 7 recurring themes
Hybrid Renewable‑Storage Optimization — Opportunities
Opportunities · theme 01
Hybrid Renewable‑Storage Optimization
1,378 papers · 23.0% of this block
2022: 1,242 of every 10,000 papers on this subject2023: 1,326 of every 10,000 papers on this subject2024: 1,275 of every 10,000 papers on this subject2025: 1,690 of every 10,000 papers on this subject2022: 1,242 of every 10,000 papers on this subject2023: 1,326 of every 10,000 papers on this subject2024: 1,275 of every 10,000 papers on this subject2025: 1,690 of every 10,000 papers on this subject▲ +36% share2022→2025 share of research on this subject
Research explores coordinated control of storage and renewables to enhance system efficiency and reliability.
Energy storage · Renewable energy · Energy · Wind power
“Battery Energy Storage Optimization in Distribution Power Systems with Distributed Renewable Energy Resources”
Advanced Electrolyte‑Electrode Interfaces — Opportunities
Opportunities · theme 02
Advanced Electrolyte‑Electrode Interfaces
1,364 papers · 22.7% of this block
2022: 805 of every 10,000 papers on this subject2023: 823 of every 10,000 papers on this subject2024: 730 of every 10,000 papers on this subject2025: 872 of every 10,000 papers on this subject2022: 805 of every 10,000 papers on this subject2023: 823 of every 10,000 papers on this subject2024: 730 of every 10,000 papers on this subject2025: 872 of every 10,000 papers on this subject▲ +8% share2022→2025 share of research on this subject
Papers propose novel electrolyte formulations to boost performance of next‑generation aqueous batteries.
Cathode · Electrolyte · Anode · Electrochemistry
“Phosphated Electrolyte Enabling Dual Robust Electrode–Electrolyte Interfacial Reconstruction Toward Capable Zn Metal Batteries”
High‑Dielectric Ceramic Energy Storage — Opportunities
Opportunities · theme 03
High‑Dielectric Ceramic Energy Storage
903 papers · 15.1% of this block
2022: 257 of every 10,000 papers on this subject2023: 251 of every 10,000 papers on this subject2024: 191 of every 10,000 papers on this subject2025: 140 of every 10,000 papers on this subject2022: 257 of every 10,000 papers on this subject2023: 251 of every 10,000 papers on this subject2024: 191 of every 10,000 papers on this subject2025: 140 of every 10,000 papers on this subject▼ -46% share2022→2025 share of research on this subject
Studies investigate ceramic and ferroelectric materials for compact, high‑energy density capacitors.
Dielectric · Energy storage · Ceramic · Ferroelectricity
“Development of <scp>PVDF</scp> / <scp>PMMA</scp> ‐Cu nanocomposites with enhanced dielectric properties and energy storage density for capac”
Renewable‑Driven Power System Planning — Opportunities
Opportunities · theme 04
Renewable‑Driven Power System Planning
837 papers · 13.9% of this block
2022: 1,685 of every 10,000 papers on this subject2023: 1,763 of every 10,000 papers on this subject2024: 1,627 of every 10,000 papers on this subject2025: 2,185 of every 10,000 papers on this subject2022: 1,685 of every 10,000 papers on this subject2023: 1,763 of every 10,000 papers on this subject2024: 1,627 of every 10,000 papers on this subject2025: 2,185 of every 10,000 papers on this subject▲ +30% share2022→2025 share of research on this subject
Works develop models to schedule generation and storage for cleaner, more resilient electricity networks.
Renewable energy · Photovoltaic system · Electricity · Battery
“Optimizing Power System Reliability and Carbon Emissions With a Fuzzy Unit Commitment Model Incorporating Renewable Energy, Load Forecast Er”
Graphene‑Based Supercapacitor Hybrids — Opportunities
Opportunities · theme 05
Graphene‑Based Supercapacitor Hybrids
604 papers · 10.1% of this block
2022: 1,428 of every 10,000 papers on this subject2023: 1,438 of every 10,000 papers on this subject2024: 1,286 of every 10,000 papers on this subject2025: 1,160 of every 10,000 papers on this subject2022: 1,428 of every 10,000 papers on this subject2023: 1,438 of every 10,000 papers on this subject2024: 1,286 of every 10,000 papers on this subject2025: 1,160 of every 10,000 papers on this subject▼ -19% share2022→2025 share of research on this subject
Research highlights graphene electrodes enabling ultra‑high energy density hybrid storage devices.
Supercapacitor · Capacitance · Electrode · Graphene
“A high-performance supercapacitor-battery hybrid energy storage device based on graphene-enhanced electrode materials with ultrahigh energy ”
Microgrid Energy Management — Opportunities
Opportunities · theme 06
Microgrid Energy Management
461 papers · 7.7% of this block
2022: 1,086 of every 10,000 papers on this subject2023: 1,153 of every 10,000 papers on this subject2024: 1,100 of every 10,000 papers on this subject2025: 1,528 of every 10,000 papers on this subject2022: 1,086 of every 10,000 papers on this subject2023: 1,153 of every 10,000 papers on this subject2024: 1,100 of every 10,000 papers on this subject2025: 1,528 of every 10,000 papers on this subject▲ +41% share2022→2025 share of research on this subject
Papers present strategies for balancing storage, generation, and demand within localized grid networks.
Microgrid · Energy storage · Renewable energy · Distributed generation
“Power Management of Hybrid Microgrid with Energy Storage System”
Nano‑Enhanced Phase‑Change Storage — Opportunities
Opportunities · theme 07
Nano‑Enhanced Phase‑Change Storage
453 papers · 7.5% of this block
2022: 182 of every 10,000 papers on this subject2023: 191 of every 10,000 papers on this subject2024: 194 of every 10,000 papers on this subject2025: 241 of every 10,000 papers on this subject2022: 182 of every 10,000 papers on this subject2023: 191 of every 10,000 papers on this subject2024: 194 of every 10,000 papers on this subject2025: 241 of every 10,000 papers on this subject▲ +33% share2022→2025 share of research on this subject
Studies demonstrate how nanomaterials improve efficiency and capacity of thermal phase‑change storage systems.
Thermal energy storage · Thermal · Phase-change material · Latent heat
“Advances in nano-enhanced phase change materials and hybrid thermal energy storage systems: Paving the way for sustainable energy solutions”

Which of these themes are growing fastest

Shows how the share of different research themes has shifted globally between 2022 and 2025.

Problems
how much more (or less) of the world’s research on this subject each theme took up, 2022→2025
gaining sharelosing share
Renewable‑Grid Integration Issues▲+35%
Energy Storage System Challenges▲+31%
Lithium and Flow Battery Constraints▲+26%
Hydrogen Storage Difficulties▲+15%
Battery Electrode Material Limits▲+8%
Electrolyte Design Obstacles▲+4%
Supercapacitor Material Barriers▼-24%
Cautions
how much more (or less) of the world’s research on this subject each theme took up, 2022→2025
gaining sharelosing share
Grid Stability with Renewables▲+35%
Thermal Storage Material Risks▲+32%
Economic Viability of Storage▲+29%
Flow Battery Electrolyte Imbalance▲+13%
Alternative Battery Chemistry Concerns▲+8%
Battery Thermal Runaway Risks▲+7%
Nanostructured Supercapacitor Safety▼-6%
Opportunities
how much more (or less) of the world’s research on this subject each theme took up, 2022→2025
gaining sharelosing share
Microgrid Energy Management▲+41%
Hybrid Renewable‑Storage Optimization▲+36%
Nano‑Enhanced Phase‑Change Storage▲+33%
Renewable‑Driven Power System Planning▲+30%
Advanced Electrolyte‑Electrode Interfaces▲+8%
Graphene‑Based Supercapacitor Hybrids▼-19%
High‑Dielectric Ceramic Energy Storage▼-46%
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About this data: built from Fliar's company, founder, funding, hiring, jobs, news and research trackers, covering Germany. Counts are of companies we track, not of every company that exists. Updated August 2026.
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