Company lists · Data refreshed September 2026

Top 25 Energy storage consulting firms worldwide

Name: Energy storage consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 2, 2026 5,007 companies tracked

RevenueBase identified 5,007 energy storage consulting firms worldwide as of September 2026 and tracks 96,148 professional contacts across them, including 35,466 with verified work emails and 16,906 with mobile numbers. The United States is the largest market and Madrid the largest hub.

This list covers energy storage consulting firms worldwide, 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 2, 2026. Country and city lists for energy storage consulting firms follow the table.

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.

How to read this list RevenueBase Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review

5,007Companies

96,148Contacts tracked

35,466Verified emails

16,906Mobile numbers

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The 25 largest energy storage consulting firms worldwide

Ranked by team size

Top 25 of 5,007 energy storage consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to energy storage consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Worley	Partial evidence	Sydney, AU	10001+	36,380 contacts →
	Partial evidence “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Source: RevenueBase Database · checked Sep 2, 2026
2	Fluence	Strong evidence	Mountain View, CA, US	1,001-5,000	1,842 contacts →
	Strong evidence “To achieve our mission, we design, deploy, and operate the world’s most advanced modular energy storage products, comprehensive lifecycle services, and AI-enabled asset management…” Source: RevenueBase Database · checked Sep 2, 2026
3	Enercon Services, INC	Partial evidence	Palm Beach Gardens, FL, US	1,001-5,000	1,840 contacts →
	Partial evidence “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Source: RevenueBase Database · checked Sep 2, 2026
4	Penspen	Partial evidence	Villahermosa, MX	1,001-5,000	1,006 contacts →
	Partial evidence “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Source: RevenueBase Database · checked Sep 2, 2026
5	Willdan	Partial evidence	Anaheim, CA, US	1,001-5,000	838 contacts →
	Partial evidence “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Source: RevenueBase Database · checked Sep 2, 2026
6	Form Energy	Partial evidence	Eighty Four, PA, US	501-1,000	809 contacts →
	Partial evidence “Form Energy is an American company driving innovation in energy technology and manufacturing.” Source: RevenueBase Database · checked Sep 2, 2026
7	Depcom Power, INC	Partial evidence	Bedminster, NJ, US	1,001-5,000	623 contacts →
	Partial evidence “DEPCOM Power, a Koch Engineered Solutions Company, is a leading solar energy solutions partner providing Development Support, Engineering, Procurement & Construction (EPC)…” Source: RevenueBase Database · checked Sep 2, 2026
8	Electric Power Engineers	Indirect evidence	Champaign, IL, US	501-1,000	619 contacts →
	Indirect evidence “Electric Power Engineers (EPE) is a global advisory and engineering firm advancing grid reliability, resilience, flexibility, and affordability.” Source: RevenueBase Database · checked Sep 2, 2026
9	RRC Companies	Strong evidence	Markham, ON, CA	201-500	488 contacts →
	Strong evidence “RRC is a top-tier designer of utility-scale wind, solar, energy storage, data center, and oil & gas projects in the US and select international markets.” Source: RevenueBase Database · checked Sep 2, 2026
10	TRIO	Partial evidence	Mclean, VA, US	201-500	382 contacts →
	Partial evidence “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Source: RevenueBase Database · checked Sep 2, 2026
11	Enertis Applus	Partial evidence	AR	201-500	379 contacts →
	Partial evidence “Enertis Applus+ is a global engineering consultancy firm with extensive expertise in the renewable energy and BESS industry.” Source: RevenueBase Database · checked Sep 2, 2026
12	Blue Ridge Power	Partial evidence	Asheville, NC, US	501-1,000	365 contacts →
	Partial evidence “Established in May 2021, Blue Ridge Power is a full-service EPC (Engineering, Procurement, Construction) company for solar and solar + storage projects in the United States.” Source: RevenueBase Database · checked Sep 2, 2026
13	Senec Gmbh	Strong evidence	Leipzig, DE	501-1,000	356 contacts →
	Strong evidence “A company with a profile The German Energy Supply GmbH Since 2009, Deutsche Energieversorgung GmbH in Leipzig has been developing and producing intelligent power storage systems…” Source: RevenueBase Database · checked Sep 2, 2026
14	AESA	Partial evidence	Barcelona, ES	n/a	349 contacts →
	Partial evidence “Ingeniería y Consultoría Energética orientada a la búsqueda y el desarrollo de soluciones energéticas de alta eficiencia para sus Clientes.” Source: RevenueBase Database · checked Sep 2, 2026
15	Energiekonzepte Deutschland Gmbh	Indirect evidence	Leipzig, DE	201-500	338 contacts →
	Indirect evidence “Mit über installierten Anlagen und einem umfassenden Netzwerk aus Fachkräften sorgen wir jedes Jahr für circa 70 Millionen € Stromersparnis bei unseren Kundinnen und Kunden.” Source: RevenueBase Database · checked Sep 2, 2026
16	NEI Electric Power Engineering, INC	Indirect evidence	Lakewood, CO, US	201-500	322 contacts →
	Indirect evidence “NEI provides professional expertise and design engineering services for all aspects of power systems engineering.” Source: RevenueBase Database · checked Sep 2, 2026
17	Genus Innovation Limited	Partial evidence	Jaipur, IndiaHQ checked Sep 2, 2026	501-1,000	315 contacts →
	Partial evidence “Genus Innovation Limited exists to deliver Energy Happiness, the peace of mind that comes from reliable, intelligent, and sustainable energy.” Source: RevenueBase Database · checked Sep 2, 2026
18	Hager France	Indirect evidence	Obernai, FR	501-1,000	313 contacts →
	Indirect evidence “Notre valeur ajoutée : le conseil et les services adaptés à vos besoins et à vos exigences pour vous accompagner dans vos projets de distribution et de management de l'énergie et…” Source: RevenueBase Database · checked Sep 2, 2026
19	Commonwealth Associates, INC	Partial evidence	Atlanta, GA, US	201-500	301 contacts →
	Partial evidence “We provide expert engineering and consulting services that enable a more reliable and resilient power system.” Source: RevenueBase Database · checked Sep 2, 2026
20	Sólida	Strong evidence	Rome, IT	201-500	294 contacts →
	Strong evidence “SÓLIDA, a Bureau Veritas Company, is an independent company founded in 2007 that provides high added-value engineering and consulting services within the renewable energy sector.” Source: RevenueBase Database · checked Sep 2, 2026
21	Cascade Energy	Partial evidence	Burlington, VT, US	201-500	290 contacts →
	Partial evidence “At Cascade Energy, we believe in better.” Source: RevenueBase Database · checked Sep 2, 2026
22	Quanta Technology, LLC	Partial evidence	Raleigh, NC, US	201-500	281 contacts →
	Partial evidence “Quanta Technology is an expertise-based, independent advisory company providing business and technical expertise to the energy and utility industries.” Source: RevenueBase Database · checked Sep 2, 2026
23	Lake Superior Consulting	Partial evidence	Duluth, MN, US	201-500	279 contacts →
	Partial evidence “We act as an extension of your team, combining deep energy expertise with seamless alignment to your processes to advance projects with confidence.” Source: RevenueBase Database · checked Sep 2, 2026
24	Asplundh Engineering Services	Indirect evidence	Newark, DE, US	1,001-5,000	277 contacts →
	Indirect evidence “Asplundh Engineering Services leverages more than 100 years of experience to provide a superior, single-point solution for engineering, design and testing services to…” Source: RevenueBase Database · checked Sep 2, 2026
25	Deode Energia	Partial evidence	Juiz De Fora, BR	201-500	277 contacts →
	Partial evidence “A DEODE Energia foi fundada em 2012 proveniente da HF Energy.” Source: RevenueBase Database · checked Sep 2, 2026

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: energy storage consulting firms. 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 energy storage consulting firms.
Partial evidence: Its own public description names part of energy storage consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name energy storage consulting firms. 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 5,007 energy storage consulting firms worldwide

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Energy storage consulting firms worldwide at a glance

As of Sep 2, 2026

36.9%Verified-email coverage

17.6%Mobile-number coverage

19.2Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Madrid

Sep 2, 2026Page data refreshed

Companies by employee count

1-10

2,999

11-50

1,442

51-200

382

201-500

501-1,000

1,001-5,000

10001+

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 energy storage consulting firms, 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.
Coverage: 25 countries, largest first: the United States, Germany, Spain, France, Italy, the United Kingdom, Brazil, the Netherlands, Australia, India and 15 more. Country and city lists for energy storage consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “energy storage consulting firms”. 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 energy storage consulting firms), 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 energy storage consulting firms, and records with no verified work email.
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, 35,466 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 between September 2, 2026 and September 14, 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.

Energy storage consulting firms by location

37 lists · largest first

Every Energy storage consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 energy storage consulting firms, 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 energy storage consulting firms are there worldwide?

RevenueBase identified 5,007 energy storage consulting firms worldwide 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?

Worley, headquartered in Sydney, tops this list with the largest team on record.

Which country has the most energy storage consulting firms?

The United States leads with 1,231 companies, followed by Germany (577) and Spain (384). Every energy storage consulting firms list by country and city is linked on this page.

Which city has the most energy storage consulting firms?

Madrid leads with 87 headquartered companies, followed by Houston (70) and London (63).

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 35,466 verified decision-maker contacts tracked across these 5,007 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 2, 2026 and September 14, 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.