Company lists · Data refreshed September 2026

Top 25 Battery storage law firms based in the United States

RevenueBase identified 59 battery storage law firms headquartered in the United States as of September 2026 and tracks 660 professional contacts across them, including 381 with verified work emails. Sacramento is the largest hub.

This list covers battery storage law firms headquartered in the United States, 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 27, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
59Companies
660Contacts tracked
381Verified emails
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The 25 largest battery storage law firms based in the United States

Ranked by team size
Top 25 of 59 battery storage law firms based in the United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to battery storage law 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceHoboken, NJ, United StatesHQ checked Sep 27, 202651-200165 contacts →

Partial evidence

“Founded in 2011, Pure Power Engineering is the premier engineering firm in the solar + storage industry.”

Source: RevenueBase Database · checked Sep 27, 2026
2Strong evidenceSan Diego, CA, United StatesHQ checked Sep 27, 202611-5058 contacts →

Strong evidence

“We are proud to be a part of the energy revolution and focus on utility scale solar and battery storage projects.”

Source: RevenueBase Database · checked Sep 27, 2026
3Strong evidenceCharlottesville, VA, United StatesHQ checked Sep 27, 202651-20044 contacts →

Strong evidence

“Axial Energy is an engineering and management consulting company that provides a range of services for renewable energy generation and battery storage projects.”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceMahwah, NJ, United StatesHQ checked Sep 27, 202651-20037 contacts →

Indirect evidence

“Core Development Group is a trusted and agile independent U.S.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceCampbell, CA, United StatesHQ checked Sep 27, 202611-5033 contacts →

Partial evidence

“McCalmont Engineering provides premier design, engineering, and professional services for the solar and energy storage industry, specializing in large and utility-scale…”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidencePoway, CA, United StatesHQ checked Sep 27, 202611-5019 contacts →

Indirect evidence

“NeoVolta Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceWashington, DC, United StatesHQ checked Sep 27, 20261-1018 contacts →

Partial evidence

“Amis, Patel & Brewer, LLP is a boutique law firm focused on providing legal services to the renewable energy and sustainability sectors.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202611-5017 contacts →

Indirect evidence

“Rock Creek Energy Group is a group of diverse and like-minded professionals with a shared passion – Energy.”

Source: RevenueBase Database · checked Sep 27, 2026
9Strong evidenceTroy, MI, United StatesHQ checked Sep 27, 20261-1017 contacts →

Strong evidence

“Lithium ion battery storage engineers and contract services.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceDenver, CO, United StatesHQ checked Sep 27, 202611-5014 contacts →

Indirect evidence

“Keyes & Fox represents public, private, and nonprofit entities at the forefront of the clean energy transition.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceSan Diego, CA, United StatesHQ checked Sep 27, 202611-5012 contacts →

Partial evidence

“MMPV DESIGN COOPERATIVE is an architecture firm serving to advance solar energy, energy storage and electric vehicle infrastructure projects throughout the Western U.S.”

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceKearny, NJ, United StatesHQ checked Sep 27, 202611-5012 contacts →

Partial evidence

“Power Edison is a leading renewable energy and energy storage developer working on the cutting edge of clean energy technology and innovative business models.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 27, 202651-20011 contacts →

Indirect evidence

“Our mission is to give people the freedom to self power their homes with clean, affordable, reliable energy.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202611-509 contacts →

Partial evidence

“Cleantech Law Partners is a full-service law firm dedicated exclusively to the renewable energy industry.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceMiddletown, CT, United StatesHQ checked Sep 27, 20261-108 contacts →

Partial evidence

“Michaud Law Group LLC is a small law firm that does big things!”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceOakland, CA, United StatesHQ checked Sep 27, 20261-107 contacts →

Partial evidence

“Algorithm Law is project and deal counsel for energy and digital infrastructure.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceDenver, CO, United StatesHQ checked Sep 27, 20261-106 contacts →

Indirect evidence

“REV Energy Ventures, originally known as Resort Energy Ventures, was formed in 2011 to help hotel owners in Hawaii sort through the complexity and pitfalls of the solar industry.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceSacramento, CA, United StatesHQ checked Sep 27, 20261-106 contacts →

Indirect evidence

“Gridwell is an analytics and advocacy energy consulting firm located in Sacramento, California.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceSacramento, CA, United StatesHQ checked Sep 27, 20261-106 contacts →

Indirect evidence

“PV AMPS is an Independent Engineering firm specializing in technical advisory services for the Developers, Builders, Owners, Operators and Financiers of Utility and Commercial…”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceAsheville, NC, United StatesHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“Pisgah Energy provides comprehensive solar and energy storage design & development services for commercial, municipal, and institutional clients.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceSacramento, CA, United StatesHQ checked Sep 27, 202611-505 contacts →

Indirect evidence

“Certified as both a C10 and C46 contractor in California, RME Innovations Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceRichmond, VA, United StatesHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“Nacelle is a purpose-driven law firm dedicated to accelerating the global transition to clean energy.”

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceBuffalo, NY, United StatesHQ checked Sep 27, 202611-504 contacts →

Partial evidence

“LithTech offers energy storage systems with a focus on providing engineering support to ensure projects are successful.”

Source: RevenueBase Database · checked Sep 27, 2026
24Strong evidenceDallas, TX, United StatesHQ checked Sep 27, 20261-103 contacts →

Strong evidence

“Safe, reliable, and easy-to-use on-site lithium-ion battery storage systems and energy resiliency solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceConcord, CA, United StatesHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“Jolt Engineering is a next-generation solar engineering firm, specializing in commercial solar and storage projects.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 59 battery storage law firms based in the United States

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Battery storage law firms based in the United States at a glance

As of Sep 27, 2026
57.7%Verified-email coverage
11.2Average contacts per company
1-10Median size (employees)
8.5%Largest-city concentration · Sacramento
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
20
51-200
6
501-1,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 59 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 battery storage law 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.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “battery storage law 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 battery storage law 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 battery storage law firms, and records with no verified work email. Companies headquartered outside United States 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, 381 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 27, 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 battery storage law 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 battery storage law firms are there based in the United States?

RevenueBase identified 59 battery storage law firms headquartered in the United States 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?

Pure Power Engineering, headquartered in Hoboken, tops this list with the largest team on record.

Which city has the most battery storage law firms?

Sacramento leads with 5 headquartered companies, followed by San Diego (4) and Denver (2).

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 381 verified decision-maker contacts tracked across these 59 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 27, 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.