Best Energy Tech Companies in Baden-wurttemberg, Germany
The 32 best Energy Tech companies in Baden-wurttemberg, Germany in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: PAUL.
Our analysis of 50 Energy Tech companies
$5.9b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2023.
Ranked: Best Energy Tech companies in Baden-wurttemberg
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | PAUL Company offers digital technology and AI for building technology 35News top 28%Growth top 30%Funding top 39%Tech top 43% All 9 signals ▾Newstop 28% Growthtop 30% Fundingtop 39% Techtop 43% Moattop 48% Talentbottom 49% Fin. healthbottom 38% Globalbottom 37% Marketbottom 20% News: 8 BI events in 12 mo (of 23 tracked, 4 types) · +100% YoY Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 35/100 | $44M | 6 mo ago | Series B | Sascha Muller CEO | 2017 | Apple iCloud MailMicrosoft 365Zoho+21 | — | — |
| 2 | Hycube Manufacturer of lithium storage systems | $2M | 46 mo ago | Seed | — | 2004 | WordPressMySQLPHP+30 | — | — |
| 3 | acteno energy Smart meter installation, meter data acquisition and analysis service provider | $323K | 110 mo ago | Funding Raised | Wolfgang Krauss Founder & CEO | 2011 | WordPressPleskMySQL+21 | — | — |
| 4 | Zepta Provider of smart IoT monitoring solutions for pest protection | — | 19 mo ago | Seed | Lukas Deuscher Co-Founder | 2022 | WebflowApple iCloud MailMicrosoft 365+19 | — | — |
| 5 | Otego Provider of printed thermoelectric generators | — | 105 mo ago | Deadpooled | — | 2016 | — | 3 patents Printable thermoelectric inks and materials for screen-printed energy generators | — |
| 6 | POWERJames EV charging and billing management solution | — | 148 mo ago | Public | Norman Ueberrhein Founder & CEO | 2000 | — | 10 patents Electric vehicle charging stations and on-board energy supply systems. | — |
| 7 | Adjusted flow Provider of energy management systems | — | — | Unfunded | Jonas Wilz Co-Founder & Managing Director | 2025 | — | — | — |
| 8 | ASTRA Software Provider of app-based energy monitoring solutions | — | — | Unfunded | Peter Aschbacher Founder & CEO | 1990 | — | — | — |
Top 6 Energy Tech companies in Baden-wurttemberg
#1
Series B · Mannheim, Baden-wurttemberg · founded 2017 · 32 employees$44.1Mraised▾
Company offers digital technology and AI for building technology. It provides services that help save energy, reduce carbon emissions, and lower ancillary costs in real estate. Platform solutions include proprietary sensors on the ground and data-analyzing capabilities.
- Apr 2026Series B—
- Mar 2026Conventional Debt$46.3M
- Dec 2023Series B$44.1M
- Mar 2023Series A—
#2
Seed · Mannheim, Baden-wurttemberg · founded 2004 · 43 employees$1.8Mraised▾
Manufacturer of lithium storage systems. It manufactures lithium storage systems that are used for residential and commercial applications. The systems have a maximum of 10 kW capacity and are equipped with smart home technology from iHaus and controllable via an intuitive 5-inch touch color display and via the HYCUBE online portal.
- Dec 2022Seed—
- Jan 2020Seed$1.8M
#3
Funding Raised · Heidelberg, Baden-wurttemberg · founded 2011 · 5 employees$323Kraised▾
Acteno Energy offers smart meter installation, meter data acquisition, and analytical services to public & private sector companies. Services offered are planning & procurement of smart meters, simulation & evaluation, energy management, revenue optimization, billing & invoice management, acquisition of historical data, and customized reporting. Has developed a web-based software platform for energy data visualization, dashboarding, statistical analysis, load curve tracking, reporting, and load profile analysis.
- Sep 2017Grant (prize money)$170.7K
- Jan 2017Grant (prize money)$152.4K
#4
Seed · Mannheim, Baden-wurttemberg · founded 2022—raised▾
Provider of smart IoT monitoring solutions for pest protection. It offers solution for existing bait stations, offering smart IoT monitoring solutions for pest protection.
- Apr 2025Seed—
#5
Deadpooled · Karlsruhe, Baden-wurttemberg · founded 2016 · 25 employees—raised▾
Provider of printed thermoelectric generators. It provides thermoelectric generators that can be used as an independent energy source for IoT devices like wireless sensors and actuators, by converting heat into electricity without any moving parts.
- Jan 2018Seed—
#6
Public · Mannheim, Baden-wurttemberg · founded 2000 · 11 employees—raised▾
POWERJames is a German early-stage startup focused on developing a solution for electric vehicle charging. The company claims to be developing a device which would help convert a normal socket into an EV charging point. The device would be bluetooth connected and a cloud-based system and an app will allow for separate billing for each customer. The company is part of the E.ON's :agile accelerator.
- 2014Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in Germany
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,774 Germany-affiliated papers.
- Karlsruhe Institute of Technology193
- Forschungszentrum Jülich120
- RWTH Aachen University110
- Helmholtz-Institute Ulm98
- Deutsches Zentrum für Luft- und Raumfahrt e. V.92
- Battery (electricity)10→100
- Electrolyte8→97
- Electrochemistry8→79
- Cathode6→64
- Renewable energy1→54
- Battery (electricity)10→181
- Renewable energy11→159
- Electrolyte2→97
- Electrochemistry7→87
- Thermal energy storage2→79
- Battery (electricity)8→70
- Renewable energy3→38
- Electrolyte2→35
- Electrochemistry1→26
- Anode2→23
Where energy storage is researched across Germany
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in Germany
Germany energy storage patent filing is accelerating — 3,168 filings from 1,277 assignees (2016–2025), led by Robert Bosch, Siemens, Bayerische Motoren Werke; annual filings 223→391.
- Robert Bosch710
- Siemens633
- Bayerische Motoren Werke455
- AUDI214
- LI TEC Battery189
- Varta Microbattery168
- Daimler140
- Continental Automotive91
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.