Company lists · Data refreshed November 2026

Top 25 Pumped storage facility companies worldwide

RevenueBase identified 219 company matches for pumped storage facility companies worldwide as of November 2026 and tracks 17,404 professional contacts across them, including 6,850 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for pumped storage facility companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for pumped storage facility companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
219Companies
17,404Contacts tracked
6,850Verified emails
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The 25 largest pumped storage facility companies worldwide

Ranked by team size
Top 25 of 219 company matches for pumped storage facility companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchJuno Beach, FL, United StatesHQ recorded Nov 5, 202610001+6,545 contacts →

Exact match

“NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchEdmonton, AB, CanadaHQ recorded Nov 5, 2026501-1,000937 contacts →

Exact match

“Capital Power (TSX: CPX) is a growth-oriented power producer with approximately 12 GW of power generation at 32 facilities, plus battery energy storage across North America.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 2026501-1,000860 contacts →

Exact match

“Clearway Energy Group’s vision is a world powered by clean energy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchToronto, ON, CanadaHQ recorded Nov 5, 2026501-1,000545 contacts →

Exact match

“Northland Power is a Canadian-owned global power producer dedicated to accelerating the global energy transition.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSão Paulo, BrazilHQ recorded Nov 5, 2026201-500296 contacts →

Exact match

“Criada em janeiro de 1998, a Emae – Empresa Metropolitana de Águas e Energia S.A, sucessora da Light e da Eletropaulo, é uma empresa de capital aberto, de direito privado.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Nov 5, 202651-200235 contacts →

Exact match

“Jupiter Power is putting deep energy storage expertise, proven project execution capability, and significant capital to work to help make the energy transition a reality.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchAustin, TX, United StatesHQ recorded Nov 5, 202651-200223 contacts →

Exact match

“Leading the evolution of energy infrastructure, Aypa Power has redefined utility-scale battery energy storage as a critical asset class, supporting grid reliability and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchWestlake Village, CA, United StatesHQ recorded Nov 5, 202651-200203 contacts →

Exact match

“Energy Vault® is an integrated power infrastructure platform that builds, owns and operates flexible, reliable energy systems to accelerate time-to-power for utilities…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-200184 contacts →

Exact match

“The Plus Power team, led by seasoned executives from the renewables and energy storage industry, is accelerating the deployment of transmission-connected battery storage…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchTualatin, OR, United StatesHQ recorded Nov 5, 2026501-1,000181 contacts →

Exact match

“Since 2010, Powin has been working to mitigate the economic and environmental impacts of climate change by revolutionizing the way energy is generated, transmitted, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-200176 contacts →

Exact match

“Statera Energy is a UK-based energy company that develops, owns, and operates flexible generation, battery storage, pumped hydro and green hydrogen projects.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBratislava, SlovakiaHQ recorded Nov 5, 2026201-500173 contacts →

Exact match

“NAFTA je medzinárodná spoločnosť s rozsiahlymi skúsenosťami v oblasti podzemného skladovania zemného plynu a zároveň slovenským lídrom v prieskume uhľovodíkov.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBeijing, ChinaHQ recorded Nov 5, 20261,001-5,000164 contacts →

Exact match

“Beijing HyperStrong Technology Co, Ltd.(HyperStrong, 688411.SH) is a global leading provider of energy storage solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchNew York, United StatesHQ recorded Nov 5, 202651-200148 contacts →

Exact match

“REV Renewables, an LS Power company, is an industry leader in the development, acquisition and operation of renewables and energy storage.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchNew York, United StatesHQ recorded Nov 5, 202651-200146 contacts →

Exact match

“Convergent Energy and Power manages all aspects of energy storage development for its grid operator, utility, and industrial customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBurlington, MA, United StatesHQ recorded Nov 5, 202651-200134 contacts →

Exact match

“FirstLight Power (FirstLight) is a leading clean power producer, developer, and energy storage company serving North America.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202651-200130 contacts →

Exact match

“Hydrostor is a leading developer and operator of long-duration energy storage systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchNewport Beach, CA, United StatesHQ recorded Nov 5, 202651-200127 contacts →

Exact match

“Focused on sustainability and innovation, esVolta develops, owns, and operates reliable utility-scale energy storage assets across the entire lifecycle - delivering value for…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchAlbany, NY, United StatesHQ recorded Nov 5, 202651-200101 contacts →

Exact match

“Key Capture Energy identifies, develops, constructs and operates energy storage solutions to foster greater deployment of renewable energy, create a more stable electric grid, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLaufenburg, GermanyHQ recorded Nov 5, 2026201-50092 contacts →

Exact match

“Schluchseewerk AG is the leading company concerning pumped hydro storages in Germany and owns 25% of the installed power.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBurlingame, CA, United StatesHQ recorded Nov 5, 202651-20083 contacts →

Exact match

“Eolian’s proven and enviable track record is evidenced by the successful funding and development of nearly 30 GW of operating or under-construction energy storage, solar, and wind…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchKnaresborough, United KingdomHQ recorded Nov 5, 202651-20076 contacts →

Exact match

“Founded in 2010, Harmony Energy is one of the UK’s leading developers, owners and operators of utility-scale battery energy storage.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSalt Lake City, United StatesHQ recorded Nov 5, 202651-20074 contacts →

Exact match

“rPlus is a team of committed energy industry professionals working together to develop large-scale renewable energy generation and electric storage projects in the United States.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchKempten, GermanyHQ recorded Nov 5, 202651-20072 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchPortland, OR, United StatesHQ recorded Nov 5, 202651-20066 contacts →

Exact match

“GridStor develops, constructs, and operates battery energy storage projects that improve grid reliability and power economic growth across North America.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 219 pumped storage facility companies worldwide

See the full list, filter by size, metro and specialty, and access 6,850 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pumped storage facility companies worldwide at a glance

As of Nov 5, 2026
39.4%Verified-email coverage
79.5Average contacts per company
11-50Median size (employees)
4.1%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
93
11-50
78
51-200
27
201-500
9
501-1,000
7
1,001-5,000
4
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for pumped storage facility companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “pumped storage facility companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 6,850 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Pumped storage facility companies by location

1 lists · largest first

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

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “pumped storage facility companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pumped storage facility companies are there worldwide?

RevenueBase identified 219 company matches for pumped storage facility companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Nextera Energy Resources tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most pumped storage facility companies?

The United States leads with 54 companies. Every pumped storage facility companies list by country and city is linked on this page.

Which city has the most pumped storage facility companies?

London leads with 9 company records, followed by New York (8) and Houston (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,850 professional contacts with verified work emails tracked across these 219 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.