Company lists · Data refreshed October 2026

Top 25 Clean energy software companies worldwide

Name: Clean energy software companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 14,697 companies tracked

RevenueBase identified 14,697 company matches for clean energy software companies worldwide as of October 2026 and tracks 260,026 professional contacts across them, including 80,717 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for clean energy software 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 October 1, 2026. Country and city lists for clean energy software 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 Oct 1, 2026 How this list was built

14,697Companies

260,026Contacts tracked

80,717Verified emails

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The 25 largest clean energy software companies worldwide

Ranked by team size

Top 25 of 14,697 company matches for clean energy software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	RWE	Exact match	Essen, GermanyHQ recorded Oct 1, 2026	10001+	11,181 contacts →
	Exact match “RWE is leading the way to a modern energy world.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Constellation	Exact match	Baltimore, MD, United StatesHQ recorded Oct 1, 2026	10001+	9,458 contacts →
	Exact match “Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	EDP	Exact match	Lisbon, PortugalHQ recorded Oct 1, 2026	10001+	6,435 contacts →
	Exact match “Our story began 50 years ago.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	RENEW	Exact match	Gurgaon, IndiaHQ recorded Oct 1, 2026	1,001-5,000	4,340 contacts →
	Exact match “ReNew is a leading decarbonisation solutions provider and the first Indian clean energy company to list on Nasdaq (Nasdaq: RNW).” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Octopus Energy	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	3,989 contacts →
	Exact match “We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	ENPAL	Exact match	Berlin, GermanyHQ recorded Oct 1, 2026	5,001-10,000	3,242 contacts →
	Exact match “Enpal is Europe's leading new energy company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Enphase Energy	Exact match	Fremont, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	3,130 contacts →
	Exact match “Enphase Energy is a global energy technology company and the world’s leading supplier of microinverter-based solar and battery systems.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Solaredge Technologies	Exact match	Herzliya, IsraelHQ recorded Oct 1, 2026	1,001-5,000	3,091 contacts →
	Exact match “SolarEdge is a global leader in smart energy technology.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Adani Green Energy LTD	Exact match	United StatesHQ recorded Oct 1, 2026	1,001-5,000	3,017 contacts →
	Exact match “Adani Green Energy Limited (AGEL) is India’s largest renewable energy company playing a vital role in enabling the clean energy transition.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Waaree Group	Exact match	Mumbai, IndiaHQ recorded Oct 1, 2026	5,001-10,000	2,264 contacts →
	Exact match “Founded in 1990, Waaree Energies Limited is India’s leading renewable energy company, driving the global transition to clean power.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Trinasolar	Exact match	Jiangsu, ChinaHQ recorded Oct 1, 2026	10001+	2,199 contacts →
	Exact match “Founded in 1997, Trinasolar (688599.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Envision Energy	Exact match	Huangpu District, ChinaHQ recorded Oct 1, 2026	1,001-5,000	1,961 contacts →
	Exact match “Envision Energy is a world-leading green technology company that provides renewable energy solutions for global enterprises, governments, and institutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Fluence	Exact match	Arlington, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,863 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	GE Digital	Exact match	San Ramon, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,763 contacts →
	Exact match “At GE Digital, our focus is clear: delivering software that accelerates a new era of energy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Avaada Group	Exact match	Mumbai, IndiaHQ recorded Oct 1, 2026	5,001-10,000	1,747 contacts →
	Exact match “Avaada Group is a diversified clean energy conglomerate focused on the global energy transition, providing solutions in renewable power generation, solar PV manufacturing, green…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Quorum Software	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,563 contacts →
	Exact match “Quorum Software is a leading provider of energy software worldwide powering growth and profitability for energy businesses by connecting people, workflows, and systems with…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Voltalia	Exact match	Paris, FranceHQ recorded Oct 1, 2026	1,001-5,000	1,436 contacts →
	Exact match “Voltalia is an international player in renewable energies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	KK Wind Solutions	Exact match	Ikast, DenmarkHQ recorded Oct 1, 2026	1,001-5,000	1,423 contacts →
	Exact match “KK Wind Solutions is a dedicated greentech company with more than 35 years of experience in electrical systems for wind turbines.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Casa DOS Ventos Energias Renováveis	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 2026	501-1,000	1,269 contacts →
	Exact match “A Casa dos Ventos é uma empresa brasileira que desenvolve, constrói e opera projetos de geração de energia a partir de fontes renováveis e tem atuado como protagonista na…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Goodleap	Exact match	Roseville, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	1,143 contacts →
	Exact match “GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Clarke Energy	Exact match	Liverpool, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,049 contacts →
	Exact match “Clarke Energy, a Rehlko company, specialises in energy efficient, low carbon and flexible energy systems.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Masdar ABU Dhabi Future Energy Company	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 1, 2026	501-1,000	1,026 contacts →
	Exact match “Established in 2006, Masdar is a global clean energy leader, transforming how the world produces and consumes energy through bold innovation and commercial excellence.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Comerc Energia	Exact match	Sao Paulo, BrazilHQ recorded Oct 1, 2026	501-1,000	1,023 contacts →
	Exact match “Reinventando o futuro com soluções inovadoras de energia e descarbonização.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Wärtsilä Energy	Exact match	Helsinki, FinlandHQ recorded Oct 1, 2026	10001+	940 contacts →
	Exact match “Wärtsilä leads the transition towards a 100% renewable energy future.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Zelestra	Exact match	SpainHQ recorded Oct 1, 2026	501-1,000	929 contacts →
	Exact match “At Zelestra, we are on a mission to change the world by making decarbonization a reality for our partners.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “clean energy software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,697 clean energy software companies worldwide

See the full list, filter by size, metro and specialty, and access 80,717 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clean energy software companies worldwide at a glance

As of Oct 1, 2026

31.0%Verified-email coverage

17.7Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

7,109

11-50

5,292

51-200

1,552

201-500

395

501-1,000

125

1,001-5,000

116

5,001-10,000

10001+

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 clean energy software companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “clean energy software 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 80,717 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 October 1, 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.

Clean energy software companies by location

99 lists · largest first

Every Clean energy software companies 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 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 “clean energy software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy software companies are there worldwide?

RevenueBase identified 14,697 company matches for clean energy software companies worldwide as of October 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?

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

Which country has the most clean energy software companies?

The United States leads with 1,567 companies, followed by Brazil (1,112) and India (1,061). Every clean energy software companies list by country and city is linked on this page.

Which city has the most clean energy software companies?

London leads with 168 company records, followed by Sao Paulo (134) and Madrid (121).

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 80,717 professional contacts with verified work emails tracked across these 14,697 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 October 1, 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.