Radar · Industry landscape · France
Energy Landscape of France
1,517 Energy companies in France, 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.
1,517companies tracked
$9.2Bdisclosed funding
189hiring right now
740events · 24 months
475,038news articles · 12 months
Who leads Energy in France
Shows 1,517 French energy firms, highlighting the top hiring companies like Framatome and the best‑funded firms such as Sonnedix, with 189 currently hiring and 156 recent funding rounds.
open roles
Hiring now
ranked by live open roles
- 01
Framatome11last posted Jun 2026
- 02
proxiserve11last posted Jun 2026
- 03
Rexel11last posted Jun 2026
- 04
groupe adf11last posted Jun 2026
- 05
Dyneff11last posted Jun 2026
- 06
Fonroche Lighting10last posted May 2026
- 07
Cap Ingelec10last posted Jun 2026
- 08
Waga Energy9last posted May 2026
189 companies hiring · 2 posted in the last 30 days
disclosed funding
Most funded
disclosed totals, all rounds
- 01
Sonnedix$1.2BConventional Debt · Nov 2021
- 02
Neoen$954.1MPE · Jan 2020
- 03
Newcleo$842.9MSeries B · Feb 2026
- 04
Tereos$772.9MGrant (prize money) · Aug 2023
- 05
Solairedirect$621.8MConventional Debt · Feb 2017
- 06
Akuo Energy$383.7MGrant (prize money) · Oct 2020
- 07
Reden Solar$374.6MSeries B · Mar 2020
- 08
NW Group$316.6MSeries D · Jun 2022
156 companies with disclosed rounds · $9.2B total
revenue
Revenue leaders
official filings first, else latest snapshot
- 01
Legrand$10.3BFY2021 filing
- 02
Rubis$7.1BFY2023 filing
- 03
Eurotainer$207.6MFY2023 filing
- 04
Elengy$205.3MFY2024 filing
- 05
Valorem$199.7MFY2023 filing
- 06
- 07
Invicta$68MFY2025 filing
- 08
28 companies with a revenue figure
headcount
Largest teams
ranked by tracked headcount
- 01
- 02
- 03
VINCI Energies21,752tracked employees
- 04
dalkia20,000tracked employees
- 05
Schneider Electric Infrastructure Ltd16,000tracked employees
- 06
vallourec15,766tracked employees
- 07
idex5,700tracked employees
- 08
144 companies with headcount data
share of events
Share of voice
share of all tracked sector news events, 24 months
- 01
- 02
- 03
- 04
- 05
- 06
Voltalia4.2%22 tracked events
- 07
Cogra4.0%21 tracked events
- 08
Holosolis3.6%19 tracked events
528 tracked events across 76 companies
articles
In the news
Prism news coverage, last 12 months
- 01
Software176articles in the window
- 02
TSE152articles in the window
- 03
- 04
CVE64articles in the window
- 05
- 06
- 07
- 08
52 of these companies drew sector coverage in the window
Radar
See all 1,517 Energy companies in France
Filter by funding, headcount, hiring and location, and export the list.
How the Energy ecosystem in France grew, 2016–2025
Displays the number of energy companies founded each year from 2016 to 2025, peaking at 54 in 2019 and dropping to zero in 2025.
Companies founded / year
new Energy companies in France
20162025
peak 54 in 2019
Companies raising / year
with a disclosed round that year
20162025
peak 35 in 2021
Disclosed funding / year
sum of disclosed rounds (USD)
20162025
peak $1.1B in 2020
Where Energy companies in France are based
Lists the French cities with the most energy companies, led by Paris with 169 firms, followed by Lyon, Montpellier, Nantes, and Marseille.
Hub 01
Paris
169 Energy companies
57% of the Energy companies across these hubs
169companies
$4.5Bdisclosed funding
28hiring now
Hub 02
Lyon
37 Energy companies
12% of the Energy companies across these hubs
37companies
$103.1Mdisclosed funding
10hiring now
Hub 03
Montpellier
21 Energy companies
7% of the Energy companies across these hubs
21companies
$108.7Mdisclosed funding
7hiring now
Hub 04
Nantes
18 Energy companies
6% of the Energy companies across these hubs
18companies
$17.6Mdisclosed funding
2hiring now
Hub 05
Marseille
18 Energy companies
6% of the Energy companies across these hubs
18companies
$190.5Mdisclosed funding
3hiring now
Hub 06
Toulouse
12 Energy companies
4% of the Energy companies across these hubs
12companies
$11.1Mdisclosed funding
4hiring now
Hub 07
Courbevoie
11 Energy companies
4% of the Energy companies across these hubs
11companies
$3.4Mdisclosed funding
4hiring now
Hub 08
Grenoble
10 Energy companies
3% of the Energy companies across these hubs
10companies
$74.7Mdisclosed funding
1hiring now
The Energy market map of France: what these companies actually do
Breaks down product sub‑categories, showing deep tech (35 firms) and enterprise tech (23 firms) as the largest, and notes the most common revenue models like physical commerce (668 firms).
- Deep Tech35 companies · $1.1B raised · 7 hiring
- Enterprise Tech23 companies · $269.2M raised · 4 hiring
- Consumer Digital9 companies · $118.8M raised · 2 hiring
- Solar Energy Tech6 companies · $17.8M raised · 1 hiring
- Enterprise Software5 companies · $56.3M raised
- SaaS5 companies · $83.4M raised
Monetization
How Energy 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 Commerce668
Fee-For-Service628
E-Commerce - Product438
Commission on Transaction199
Subscription81
Advertising63
E-Commerce - Service51
Sponsorship10
Funding, M&A and the deals moving Energy in France
Counts 740 corporate events over the past two years, including 167 contracts, 129 earnings releases, and 82 mergers and acquisitions.
Contracts 167Earnings 129M&A 82Announcement 71Assets 70Funding 54Capital 45Leadership 43Regulatory 21Jobs 15
- FundingAllianz Global Investors (AllianzGI) has provided a €200m (£148m) multi-currency debt facility to Kyotherm, an investment company that finances renewable heat and energy efficiency projects.2026-04-28
- M&ASLB has agreed to acquire the upstream geoscience and petroleum engineering software portfolio of S&P Global’s energy division, expanding its digital subsurface capabilities and presence in U.S. unconventional workflows.2026-04-24
- M&ASpanish gas grid operator Enagas said on Tuesday it had reached an agreement with Singapore sovereign wealth fund GIC to buy its 31.5% stake in French gas grid operator Terega for 573 million euros ($674.65 million).2026-04-22
- M&ANovo Technologies, a telecoms infrastructure specialist based in Irvine, Scotland, has been acquired by VINCI Energies, a division of French concessions and construction giant VINCI.2026-04-16
- M&AInvicta Diagnostic Limited (NSE – INVICTA), – one of the leading diagnostic service providers in Maharashtra’s healthcare services sector, has announced its expansion beyond the Mumbai Metropolitan Region following the Board’s approval for acquisition of a majority stake in Vinchurkar Diagnostics Private Limited.2026-04-13
- M&AIn February, Iberdrola completed the sale of its French onshore renewable energy portfolio to Technique Solaire.2026-04-10
- FundingFrom pv magazine France French independent power producer Voltalia has secured €100 million in financing to support its restructuring plan and asset divestment program, as it refocuses its strategy and seeks to optimize its financial structure.2026-04-08
- FundingMorgan Lewis advised Zencap Asset Management and Bpifrance Investissement on their investment in Enersweet, a software solutions firm dedicated to the energy transition of buildings.2026-03-19
- FundingCalogena, a subsidiary of the Gorgé industrial group, established in December 2021, secured around €100m.2026-03-13
- FundingThe French industrial deeptech Heliup is taking a new strategic step by announcing a €16 million fund-raising aimed at accelerating the large-scale deployment of its light photovoltaic technology.2026-03-04
Mergers and acquisitions
Deals from the last 24 months where a Energy company in France was the buyer or the one bought, newest first. “Undisclosed” means the price was never published — not that the deal was worth nothing.
| Acquirer | Target | Deal value | Status | Date |
|---|---|---|---|---|
| undisclosed | Announced | 2026-04-24 | ||
| undisclosed | Announced | 2026-04-22 | ||
| undisclosed | Announced | 2026-04-22 | ||
| Vinchurkar Diagnostics Private Limited | undisclosed | Announced | 2026-04-13 | |
| undisclosed | Completed | 2026-04-10 | ||
| undisclosed | Announced | 2026-02-23 |
Who is listing, hiring leaders, launching and winning work
Provides details on specific events such as leadership changes, product launches, and new customer contracts within the sector.
Leadership moves
15 tracked people moves · last 12 months
lithium de franceChristophe Constant · Appointment → DirectorFeb 2026
Product launches
tracked launches · last 12 months
Contract wins
122 customer wins · last 24 months
Workforce actions
5 companies cutting roles · last 24 months
France Solar~150 roles reported · refocus on core marketsJul 2025
TotalEnergies~40% of workforce reportedJun 2025
Regulatory & litigation
20 regulatory events · 5 tracked suits · 24 months
Teregaapproved for hydrogen distribution network project — European CommissionDec 2025
- framatome v Eskomcontract cancellation damages · VerdictJul 2025
- Ayodeji Sasegbon v Total Energies E & P Nigeria Limited, Total EnergiesWrongful termination of employment · OngoingNov 2024
Earnings pulse
companies reporting results · last 24 months
23 companies reporting137 company-quarters trackedbeat 11miss 6in line 1
Half of these companies grew revenue faster than +5.0%, half slower.
Who is building Energy in France
Profiles 377 founders and CEOs across 286 companies, noting frequent alma maters like HEC Paris and prior employers such as Morgan Stanley and Microsoft.
Founders and chief executives12 of 377, from the best-funded companies on this page
Terrawatt Initiative, ex-Gide Loyrette Nouel, PARIBAS. University of Paris LLM 1994
Ex- CEO ENGIE, ERAMET, BCG. Ecole Polytechnique 2002
Managing Director - United Arab Emirates & Republic of Iraq-SPIE Global Services Energy
Voltalia, ex-Societe Generale Corporate And Investment Banking Sgcib, ex-Coface, École des Ponts ParisTech, 2016
Arts and Crafts ParisTech 1980
repeat founder
Time for the Planet, ex-Nanosolar. Chimie ParisTech - PSL MS 2008
Ex-POWEO ENR, ENGIE, HSBC. Polytechnic university 1999
Qair Group, ex-Amwal, Millenium Fin, Alternative Finance Partners
Founder Stealth Projects, Housecure, Talentful, Show My Homework, ex-Clifford Chance. University of Southampton BSc 2001…
Where the founders studied
alma mater on record for 31 of 377 founders
HEC Paris8
INSEAD3
Imperial College London3
Sciences Po2
ESSEC Business School2
Stanford University2
University of Bristol2
University of Waterloo1
Where they worked before
a previous employer on record for 3 of 377 founders
Morgan Stanley1
Microsoft1
Goldman Sachs1
Founders flagged as repeat founders
of 354 founders with a profile on this page
3
carry a repeat-founder flag
- flagged as repeat founders3
- no repeat-founder flag351
Women and men among the founders
first names matched for 349 of 377 founders
15%
of matched founders are women
- women51
- men298
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 28 founders go in neither column.
Radar
Look up the people behind Energy companies in France
Search founders, executives and operators by company, role and location.
Who funds Energy in France
Summarizes 371 funding rounds since 2016 from 241 investors, with the typical round size around $1.4 million.
| Investor · most active investors since 2016 | Rounds | Led | Latest |
|---|---|---|---|
| Europa | 144 | — | Nov 2023 |
| Bpifrance | 24 | 9 | Oct 2025 |
| Economy And Finance | 10 | — | Aug 2023 |
| Noria | 8 | 2 | Nov 2023 |
| EIT InnoEnergy | 8 | 2 | Mar 2026 |
| Credit Agricole | 8 | 1 | Oct 2025 |
| UI Investissement | 8 | — | Jan 2024 |
| Demeter | 6 | 2 | Nov 2024 |
| RGREEN INVEST | 5 | 3 | Jun 2024 |
| Alter Equity | 5 | 1 | Dec 2024 |
Stage mix · rounds since 2016
Seed & Angel68
Series A–B63
Series C+ / PE28
Grants, debt & other212
The typical round is $1.4M — half were bigger, half smaller.
The biggest Energy funding rounds in France
Highlights the largest disclosed round—a $375 million Series D for Sonnedix—and lists ten other major recent funding rounds.
| Company | Round | Size | When | Backers |
|---|---|---|---|---|
| Series Dmega-round | $375M | Dec 2014 | J P Morgan | |
| Series Bmega-round | $366.8M | Jun 2022 | Gov, MITO Technology, Progress Tech Transfer +1 more | |
| Series Dmega-round | $316.6M | Jun 2022 | RGREEN INVEST | |
| Series Amega-round | $255.1M | Nov 2025 | Forming, EIT InnoEnergy, TSE +3 more | |
| Series D | $227.6M | Jan 2014 | BlackRock, KGAL, Hamburg Commercial Bank | |
| Series B | $151M | Sep 2024 | Inarcassa | |
| Series D | $142.5M | Apr 2023 | Eurazeo, Bpifrance, Credit Agricole +2 more | |
| Series A | $130.5M | Aug 2021 | Exor, LIFTT, Club degli Investitori | |
| Series B | $109.4M | May 2024 | — | |
| Series D | $109.3M | Dec 2023 | Eiffel Investment Group, azora.com, Andera Partners |
Venture round sizes · 2023–2025
<$1M0
$1–10M11
$10–50M12
$50–250M11
>$250M1
35 venture rounds with a disclosed amount in the window.
Fresh cheques · last 6 months
Conventional Debt$234.6MApr 2026
Series C$51.4MMar 2026
Series B$18.6MMar 2026
What the news says about Energy in France
Reports 475,038 news articles in the last year, most often covering international politics, sports events, security policies, and Olympic games.
News volume
Energy coverage across France · articles per quarter
2021Q22026Q1
peak 244,357 in 2025Q3 · 475,038 articles in the last 12 tracked months
Tone of coverage
share of articles by dominant sentiment (positive / neutral / negative)
202120232025
Positive-tone share moved 55% → 42%, negative 41% → 56% across 2021–2025.
What the coverage is about
The subjects that dominate Energy news in France. The arrow shows whether each one is being written about more or less than a year ago.
- International political relations73,120▲+19%
- International sports competitions60,434▼-50%
- Security and defense policies42,596▲+24%
- Olympic games coverage31,904▼-68%
- International relations and diplomacy31,436▲+23%
- Professional league updates24,274→-4%
- Nationalism and sovereignty debates22,389→-4%
- Championship event highlights20,274▼-26%
- Government international agreements coordination17,088▲+14%
- Athlete transfer rumors16,475→+7%
Most-covered companies · last 12 months
- 176
- 152
- 89
- 64
- 64
- 48
- 40
- 31
- 30
- 25
52 Energy companies here were named in the news over this period.
Prism
Watch Energy coverage in France 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.
multilateral diplomacy+67%national security strategy+90%trade dispute mechanisms+58%international cooperation+52%oil price volatility+202%bilateral trade+49%nuclear proliferation+88%study overseas+79%fire impact study+129%multilateralism+53%
olympic team selections-81%olympic trials-83%olympic venues-87%summer olympics athletics-94%olympians career highlights-91%
The pressures the press keeps returning to
Three recurring angles in France Energy coverage, and whether each is getting more attention year on year (through 2025).
Regulatory Risk ▲ rising
392,486 articles touch this dimension · 47.9% critical tone
20212025
signals: geopolitical alliances, economic slowdown, tariff negotiations
Funding Momentum ▲ rising
74,458 articles touch this dimension · 37.1% critical tone
20212025
signals: club valuation, currency intervention policies, inflation reports fx
Growth ▲ rising
161,729 articles touch this dimension · 27.6% critical tone
20212025
signals: gdp growth rate, gdp acceleration, economic output growth
Energy jobs in France: who is hiring and what they ask for
Shows 4,496 job postings from 254 employers in the past year, with a median advertised salary of $40 k per year.
4,496postings · last 12 months
12,927postings tracked overall
254employers advertising
$40kmedian advertised salary/yr (n=311)
What level are these roles?
Entry67
Intern104
Senior122
Lead28
Manager382
Most advertised titles
- 54
- 31
- 31
- 29
- 28
- 26
What Energy research is working on
Counts 53,205 academic papers, of which 41,757 identify opportunities, 3,843 discuss common problems, and 1,267 issue cautions.
How this field talks about itself
Energy papers (gold) against all published research (grey)
Promising47.6% · 37.4%1.3×
Breakthrough30.9% · 26.2%1.2×
Descriptive8.1% · 17.5%0.5×
Problem-identifying7.0% · 9.6%0.7×
Comparative3.8% · 3.9%≈ par
Cautionary2.4% · 4.4%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
- 132k
- 74k
- 61k
- 45k
- 44k
- 36k
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
Problems · theme 01
Energy storage system challenges
738 papers · 20.3% of this block
▲ +31% share2022→2025 share of research on this subject
Researchers discuss limitations and barriers of current storage technologies for power grids and renewable integration.
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
Problems · theme 02
Battery electrode material issues
617 papers · 17.0% of this block
▲ +8% share2022→2025 share of research on this subject
Papers highlight difficulties in developing stable anode and cathode materials 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
Problems · theme 03
Lithium‑based battery performance limits
557 papers · 15.3% of this block
▲ +26% share2022→2025 share of research on this subject
Studies examine the approaching physical limits of lithium and flow batteries for transport and stationary use.
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
Problems · theme 04
Electrolyte design constraints
442 papers · 12.2% of this block
▲ +4% share2022→2025 share of research on this subject
Works focus on electrolyte stability, ion conductivity, and interfacial problems affecting high‑energy cells.
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
Problems · theme 05
Renewable‑grid integration hurdles
436 papers · 12.0% of this block
▲ +35% share2022→2025 share of research on this subject
Analyses address technical and operational obstacles when coupling photovoltaic and other renewables to 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
Problems · theme 06
Supercapacitor material bottlenecks
431 papers · 11.9% of this block
▼ -24% share2022→2025 share of research on this subject
Research points to nanostructure and fabrication challenges limiting capacitance and durability of supercapacitors.
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
Problems · theme 07
Hydrogen storage obstacles
415 papers · 11.4% of this block
▲ +15% share2022→2025 share of research on this subject
Literature reviews the technical and safety issues surrounding hydrogen and thermal storage solutions.
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
Cautions · theme 01
Economic viability of storage
261 papers · 22.0% of this block
▲ +29% share2022→2025 share of research on this subject
Authors caution that cost assessments often reveal limited financial returns for large‑scale storage deployments.
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
Cautions · theme 02
Grid stability with renewables
216 papers · 18.2% of this block
▲ +35% share2022→2025 share of research on this subject
Studies warn of potential instability and reliability concerns 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
Cautions · theme 03
Thermal storage material risks
201 papers · 17.0% of this block
▲ +32% share2022→2025 share of research on this subject
Papers highlight durability and efficiency uncertainties of latent‑heat and sorption thermal storage materials.
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
Cautions · theme 04
Alternative battery chemistries concerns
182 papers · 15.4% of this block
▲ +8% share2022→2025 share of research on this subject
Research raises safety and performance questions for sodium‑ion, lithium‑metal, and solid‑state battery designs.
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
Cautions · theme 05
Nanostructured supercapacitor safety
142 papers · 12.0% of this block
▼ -6% share2022→2025 share of research on this subject
Works point to reliability and scalability issues in emerging covalent‑organic frameworks and conductive gels.
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
Cautions · theme 06
Battery thermal runaway risks
117 papers · 9.9% of this block
▲ +7% share2022→2025 share of research on this subject
Analyses emphasize the danger of overheating and state‑of‑charge mismanagement in high‑energy 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
Cautions · theme 07
Flow battery electrolyte imbalance
65 papers · 5.5% of this block
▲ +13% share2022→2025 share of research on this subject
Studies note capacity loss and efficiency drops caused by electrolyte degradation in redox flow systems.
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
Opportunities · theme 01
Hybrid storage for renewable grids
1,378 papers · 23.0% of this block
▲ +36% share2022→2025 share of research on this subject
Research explores optimized battery and storage configurations to support wind and other renewable generation.
Energy storage · Renewable energy · Energy · Wind power
“Battery Energy Storage Optimization in Distribution Power Systems with Distributed Renewable Energy Resources”
Opportunities · theme 02
Advanced electrolyte‑electrode designs
1,364 papers · 22.7% of this block
▲ +8% share2022→2025 share of research on this subject
Papers propose novel electrolyte formulations and interfacial engineering to boost battery performance.
Cathode · Electrolyte · Anode · Electrochemistry
“Phosphated Electrolyte Enabling Dual Robust Electrode–Electrolyte Interfacial Reconstruction Toward Capable Zn Metal Batteries”
Opportunities · theme 03
High‑dielectric ceramic capacitors
903 papers · 15.1% of this block
▼ -46% share2022→2025 share of research on this subject
Works investigate ferroelectric and nanocomposite materials for compact, high‑energy density storage devices.
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”
Opportunities · theme 04
Renewable‑centric power system optimization
837 papers · 13.9% of this block
▲ +30% share2022→2025 share of research on this subject
Studies develop models and scheduling methods to improve reliability and emissions of renewable‑heavy grids.
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”
Opportunities · theme 05
Graphene‑enhanced supercapacitors
604 papers · 10.1% of this block
▼ -19% share2022→2025 share of research on this subject
Research highlights graphene‑based electrodes that combine high capacitance with battery‑like energy density.
Supercapacitor · Capacitance · Electrode · Graphene
“A high-performance supercapacitor-battery hybrid energy storage device based on graphene-enhanced electrode materials with ultrahigh energy ”
Opportunities · theme 06
Microgrid storage integration
461 papers · 7.7% of this block
▲ +41% share2022→2025 share of research on this subject
Papers focus on managing distributed generation and storage to enhance microgrid resilience and efficiency.
Microgrid · Energy storage · Renewable energy · Distributed generation
“Power Management of Hybrid Microgrid with Energy Storage System”
Opportunities · theme 07
Nano‑enhanced phase‑change storage
453 papers · 7.5% of this block
▲ +33% share2022→2025 share of research on this subject
Works present hybrid phase‑change materials that improve thermal storage efficiency for sustainable energy use.
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
Tracks how the share of 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 hurdles▲+35%
Energy storage system challenges▲+31%
Lithium‑based battery performance limits▲+26%
Hydrogen storage obstacles▲+15%
Battery electrode material issues▲+8%
Electrolyte design constraints▲+4%
Supercapacitor material bottlenecks▼-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 chemistries 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 storage integration▲+41%
Hybrid storage for renewable grids▲+36%
Nano‑enhanced phase‑change storage▲+33%
Renewable‑centric power system optimization▲+30%
Advanced electrolyte‑electrode designs▲+8%
Graphene‑enhanced supercapacitors▼-19%
High‑dielectric ceramic capacitors▼-46%
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About this data: built from Fliar's company, founder, funding, hiring, jobs, news and research trackers, covering France. Counts are of companies we track, not of every company that exists. Updated August 2026.
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