Company lists · Data refreshed November 2026

Top 25 Pump storage facility operators worldwide

RevenueBase identified 107 company matches for pump storage facility operators worldwide as of November 2026 and tracks 8,178 professional contacts across them, including 4,336 with verified work emails. The United States is the largest market and Austin the largest hub.

This list covers company matches for pump storage facility operators 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 6, 2026. Country and city lists for pump storage facility operators 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 6, 2026 How this list was built
107Companies
8,178Contacts tracked
4,336Verified emails
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The 25 largest pump storage facility operators worldwide

Ranked by team size
Top 25 of 107 company matches for pump storage facility operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 6, 202610001+3,966 contacts →

Exact match

“NextEra Energy, Inc.(NYSE: NEE) is one of the largest electric power and energy infrastructure companies in North America and is a leading provider of electricity to American…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchVienna, AustriaHQ recorded Nov 6, 20261,001-5,0001,008 contacts →

Exact match

“VERBUND is Austria's leading utility and one of the largest producers of hydroelectricity in Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChouteau, OK, United StatesHQ recorded Nov 6, 2026501-1,000388 contacts →

Exact match

“GRDA utilizes a diverse portfolio of electric generation assets to keep rates low and reliability high.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSão Paulo, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
5Exact matchAustin, TX, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
8Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 2026201-500140 contacts →

Exact match

“Eagle Creek Renewable Energy was founded in 2010 to acquire, enhance and operate small hydroelectric power facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchToronto, ON, CanadaHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
10Exact matchNewport Beach, CA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
11Exact matchMarquette, MI, United StatesHQ recorded Nov 6, 202651-20093 contacts →

Exact match

“Upper Peninsula Power Company (UPPCO) is a regulated electric utility delivering safe, reliable energy to approximately customers in 10 counties across Michigan's Upper Peninsula.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLaufenburg, GermanyHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
13Exact matchEti, TürkiyeHQ recorded Nov 6, 2026201-50079 contacts →

Exact match

“Kalehan Energy was established in 2007 by two leading construction companies of Turkey, Cengiz Construction and Özaltın Construction, with a 50%-50% partnership structure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSalt Lake City, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
15Exact matchCharlottesville, VA, United StatesHQ recorded Nov 6, 202611-5059 contacts →

Exact match

“East Point Energy develops, builds, owns, and operates grid-scale energy storage projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKabwe, ZambiaHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Lunsemfwa Hydro Power Company Limited is a Hydro Electric Power Company based in Kabwe Zambia”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVisp, SwitzerlandHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Die enalpin AG mit Sitz in Visp ist ein erfolgreiches, dynamisches Unternehmen mit eigenen Kraftwerksanlagen und Beteiligungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Enfinite is a dynamic developer, owner, and operator in the power generation and energy storage sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchTel-aviv, IsraelHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“AGEERA is a battery energy storage company that develops intelligent energy management platforms, and operates all-in-one energy storage systems for C&I and utility-scale…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchStolzembourg, LuxembourgHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Die Société Electrique de l’Our (SEO) steht für nachhaltige Energie und innovative Lösungen in Luxemburg und Europa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFlintshire, United KingdomHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“First Hydro Company is one of the UK's most dynamic electricity generators, responsible for the management and operation of the pumped storage plants at Dinorwig and Ffestiniog in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWestborough, MA, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“GRH is New England’s largest producer of conventional hydropower.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchTârgu Mureș, RomaniaHQ recorded Nov 6, 202611-5016 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWest Palm Beach, PA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Rye Development is advancing America’s next generation of pumped storage hydropower, the largest and most proven form of energy storage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Underground storage facilities are strategic infrastructure where energy reserves are kept to balance supply and demand and to meet consumption peaks that may occur throughout the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 107 pump storage facility operators worldwide

See the full list, filter by size, metro and specialty, and access 4,336 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pump storage facility operators worldwide at a glance

As of Nov 6, 2026
53.0%Verified-email coverage
76.4Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
37
51-200
19
201-500
6
501-1,000
3
1,001-5,000
3
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 pump storage facility operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “pump storage facility operators” 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 4,336 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 6, 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.

Pump storage facility operators by location

1 lists · largest first

Every Pump storage facility operators 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 “pump storage facility operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pump storage facility operators are there worldwide?

RevenueBase identified 107 company matches for pump storage facility operators 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, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most pump storage facility operators?

The United States leads with 31 companies. Every pump storage facility operators list by country and city is linked on this page.

Which city has the most pump storage facility operators?

Austin leads with 2 company records, followed by Brisbane City (2) and Calgary (2).

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 4,336 professional contacts with verified work emails tracked across these 107 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 6, 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.