Company lists · Data refreshed September 2026

Top 25 Pumped storage hydropower operators worldwide

RevenueBase identified 80 company matches for pumped storage hydropower operators worldwide as of September 2026 and tracks 3,436 professional contacts across them, including 1,778 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for pumped storage hydropower 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 September 20, 2026. Country and city lists for pumped storage hydropower 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 Sep 20, 2026 How this list was built
80Companies
3,436Contacts tracked
1,778Verified emails
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The 25 largest pumped storage hydropower operators worldwide

Ranked by team size
Top 25 of 80 company matches for pumped storage hydropower operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchReno, NV, United StatesHQ recorded Sep 20, 20261,001-5,0001,281 contacts →

Exact match

“With over five decades of experience, Ormat Technologies, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchTualatin, OR, United StatesHQ recorded Sep 20, 2026501-1,000242 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 · Sep 20, 2026 · View company records in RevenueBase
3Exact matchAustin, ON, United StatesHQ recorded Sep 20, 202651-200211 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 · Sep 20, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Sep 20, 202651-200188 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 · Sep 20, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Sep 20, 202651-200143 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 · Sep 20, 2026 · View company records in RevenueBase
6Exact matchNewport Beach, CA, United StatesHQ recorded Sep 20, 202651-200119 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 · Sep 20, 2026 · View company records in RevenueBase
7Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-200118 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBeijing, ChinaHQ recorded Sep 20, 20261,001-5,000115 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 · Sep 20, 2026 · View company records in RevenueBase
9Exact matchAlbany, NY, United StatesHQ recorded Sep 20, 202651-200114 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 · Sep 20, 2026 · View company records in RevenueBase
10Exact matchLaufenburg, GermanyHQ recorded Sep 20, 2026201-50077 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 · Sep 20, 2026 · View company records in RevenueBase
11Exact matchBurlingame, CA, United StatesHQ recorded Sep 20, 202651-20075 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 · Sep 20, 2026 · View company records in RevenueBase
12Exact matchCharlottesville, VA, United StatesHQ recorded Sep 20, 202611-5062 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchCalgary, AB, CanadaHQ recorded Sep 20, 202611-5039 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 · Sep 20, 2026 · View company records in RevenueBase
14Exact matchArlington, VA, United StatesHQ recorded Sep 20, 202611-5035 contacts →

Exact match

“Lightshift Energy, formerly Delorean Power, is a utility-scale energy storage development company that is transforming the way utilities manage and distribute power.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5035 contacts →

Exact match

“RheEnergise is bringing fresh innovation to the world’s dominant form of storage: pumped hydro storage.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchEschborn, GermanyHQ recorded Sep 20, 202611-5035 contacts →

Exact match

“AlphaESS was founded in 2012 and specializes in offering advanced energy storage services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“Alpha Omega Power (“AOP”) is a utility-scale renewable energy developer, owner, and operator with a focus on grid scale battery storage.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“Elevate is a national renewable energy development company focused on the strategic deployment of battery energy storage resources co-located at existing large generation…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchFlintshire, United KingdomHQ recorded Sep 20, 202611-5023 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 · Sep 20, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 20, 202611-5019 contacts →

Exact match

“Greenflash develops, acquires, builds, operates, manages, and monetizes grid scale storage.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 20, 20261-1018 contacts →

Exact match

“Houston-based Quidnet Energy is an energy storage company that uses the subsurface as a sustainable natural resource.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchSt Augustine, FL, United StatesHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“Vitis Energy develops, constructs, operates and maintains energy generation and storage solutions that increase energy independence, achieve sustainability goals, manage/reduce…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchTel-aviv, IsraelHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“AGEERA initiates, deploys, and manages energy storage systems, creating value by providing advanced energy services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
25Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 20261-1014 contacts →

Exact match

“Maintaining a balanced energy grid is key for a successful energy transition.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 80 pumped storage hydropower operators worldwide

See the full list, filter by size, metro and specialty, and access 1,778 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pumped storage hydropower operators worldwide at a glance

As of Sep 20, 2026
51.7%Verified-email coverage
43.0Average contacts per company
11-50Median size (employees)
5.0%Largest-city concentration · Houston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
24
51-200
10
201-500
2
501-1,000
2
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 pumped storage hydropower operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “pumped storage hydropower 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 1,778 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 September 20, 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 hydropower operators by location

1 lists · largest first

Every Pumped storage hydropower 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 “pumped storage hydropower operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pumped storage hydropower operators are there worldwide?

RevenueBase identified 80 company matches for pumped storage hydropower operators worldwide as of September 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?

Ormat Technologies, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most pumped storage hydropower operators?

The United States leads with 25 companies. Every pumped storage hydropower operators list by country and city is linked on this page.

Which city has the most pumped storage hydropower operators?

Houston leads with 4 company records, followed by New York (4) and Helsinki (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 1,778 professional contacts with verified work emails tracked across these 80 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 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 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.