Company lists · Data refreshed September 2026
Top 25 Grid battery operators based in Germany
RevenueBase identified 114 grid battery operators headquartered in Germany as of September 2026 and tracks 1,813 professional contacts across them, including 754 with verified work emails. Berlin is the largest hub.
This list covers grid battery operators headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest grid battery operators based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 197 contacts → | ||||
Indirect evidence “greentech is an integrated solar and storage specialist: The areas of business include project development, design, construction, and operational management of photovoltaic (PV)…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 158 contacts → | ||||
Partial evidence “TESVOLT AG is a German provider and system integrator of battery storage systems for commercial, industrial, and utility-scale applications.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 130 contacts → | ||||
Indirect evidence “FENECON is a leading manufacturer of energy storage solutions and offers systems for private households as well as for trade, industry, utility companies and vehicle manufacturers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 120 contacts → | ||||
Indirect evidence “Beyond Trading We are an energy trader and market leader for trading flexible energy systems in Europe.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 83 contacts → | ||||
Partial evidence “We requalify electrical vehicle batteries after their first life in the EV into storage systems, which can store renewable energies in a sustainable way.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 74 contacts → | ||||
Partial evidence “We keep the battery on!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 68 contacts → | ||||
Partial evidence “INTILION delivers innovative, highly scalable and seamlessly integrable energy storage solutions for utility-scale, as well as industrial and grid applications.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 61 contacts → | ||||
Partial evidence “At Terra One, we are pioneers in driving Europe's transition to climate neutrality through cutting-edge battery storage solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 59 contacts → | ||||
Indirect evidence “The Mobility House is shaping the future of energy and mobility.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 58 contacts → | ||||
Partial evidence “Das Team der ECO STOR GmbH entwickelt, baut und betreibt deutschlandweit Batteriespeicher, die immer wieder Rekorde bei Leistung und Kapazität setzen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 57 contacts → | ||||
Partial evidence “As a leading expert in the energy transition, green flexibility combines in-depth knowledge and state-of-the-art battery storage technology to make the energy infrastructure of…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 37 contacts → | ||||
Indirect evidence “To a new era – das ist die Vision der TRICERA energy GmbH.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 35 contacts → | ||||
Indirect evidence “AlphaESS was founded in 2012 and specializes in offering advanced energy storage services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 29 contacts → | ||||
Indirect evidence “BOS Balance of Storage Systems AG is a german high-tech company based in Neu-Ulm.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 contacts → | ||||
Partial evidence “As a leading specialist in power electronics including photovoltaic, wind and battery storage system technologies, WSTECH GmbH develops and manufactures a whole range of solutions…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 21 contacts → | ||||
Indirect evidence “DHYBRID.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 20 contacts → | ||||
Strong evidence “CUBENERGY is a leading innovator in C&I and utility-scale Battery Energy Storage Systems (BESS), delivering grid-ready, EPC-free solutions through our advanced AC Block.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 15 contacts → | ||||
Indirect evidence “phelas develops the solution for the energy transition: An electricity storage system that is modular, mass-produced, cost-effective and safe.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 14 contacts → | ||||
Partial evidence “Following the energy transition comes the flexibility transition - 8Energies develops, builds and operates large stationary battery storage systems that increase the flexibility…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Indirect evidence “Volterion is the leading manufacturer of innovative high-tech stacks and powerful and safe stationary storage systems for the commercial sector.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 11 contacts → | ||||
Indirect evidence “The transition to sustainable energy generation is necessary to secure the future of our planet.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 contacts → | ||||
Indirect evidence “NAEXT – Filling the Future with Energy NAEXT steht für nachhaltige Energiespeicherung durch innovative Lösungen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Partial evidence “Wir bieten vollumfängliche Projektentwicklung von Batteriegroßspeichern ("ready-to-build") sowie Beratungsdienstleistungen für die Energiewirtschaft.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “As an independent development company, Joulibra specializes in the development and operation of innovative energy solutions (photovoltaics, battery storage, charging…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: grid battery operators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names grid battery operators.
- Partial evidence
- Its own public description names part of grid battery operators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name grid battery operators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 114 grid battery operators based in Germany
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Grid battery operators based in Germany at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 114 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among grid battery operators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Germany whose own description of what they do matches “grid battery operators”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names grid battery operators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among grid battery operators, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 754 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names grid battery operators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many grid battery operators are there based in Germany?
RevenueBase identified 114 grid battery operators headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Greentech, headquartered in Hamburg, tops this list with the largest team on record.
Which city has the most grid battery operators?
Berlin leads with 12 headquartered companies, followed by Munich (11) and Hamburg (8).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 754 verified decision-maker contacts tracked across these 114 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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