Company lists · Data refreshed September 2026

Top 25 Prosumer energy management companies worldwide

RevenueBase identified 4,919 prosumer energy management companies worldwide as of September 2026 and tracks 128,880 professional contacts across them, including 45,524 with verified work emails and 0 with mobile numbers. The United States is the largest market and Madrid the largest hub.

This list covers prosumer energy management companies worldwide, 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 17, 2026. Country and city lists for prosumer energy management companies follow the table.

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 17, 2026 86% judged on-target in blind review
4,919Companies
128,880Contacts tracked
45,524Verified emails
0Mobile numbers
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The 25 largest prosumer energy management companies worldwide

Ranked by team size
Top 25 of 4,919 prosumer energy management companies worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to prosumer energy management companies: 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 evidenceDublin, GermanyHQ checked Sep 17, 202610001+44,100 contacts →

Partial evidence

“Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere.”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceBerlin, GermanyHQ checked Sep 17, 20265,001-10,0003,242 contacts →

Partial evidence

“Enpal is Europe's leading new energy company.”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceHerzliya, IsraelHQ checked Sep 17, 20261,001-5,0003,091 contacts →

Partial evidence

“SolarEdge is a global leader in smart energy technology.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidenceLondon, United KingdomHQ checked Sep 17, 20261,001-5,0002,627 contacts →

Partial evidence

“We help businesses manage energy needs, boost efficiency, control costs and achieve decarbonisation goals for a better energy future.”

Source: RevenueBase Database · checked Sep 17, 2026
5Partial evidenceMilwaukee, WI, United StatesHQ checked Sep 17, 20265,001-10,0001,709 contacts →

Partial evidence

“Rehlko is a global leader in energy resilience, delivering the solutions critical to sustain and improve life.”

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceDublin, OH, United StatesHQ checked Sep 17, 20261,001-5,0001,388 contacts →

Partial evidence

“IGS Energy has been a trusted energy advisor since 1989, growing into one of the nation’s top energy retailers.”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidenceEschborn, GermanyHQ checked Sep 17, 20261,001-5,0001,021 contacts →

Partial evidence

“Techem is a leading global energy service provider for the real estate sector and private homeowners.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceHouston, TX, United StatesHQ checked Sep 17, 2026501-1,000906 contacts →

Partial evidence

“Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidenceHamburg, GermanyHQ checked Sep 17, 20261,001-5,000897 contacts →

Partial evidence

“1KOMMA5° wurde gegründet um Millionen Gebäude in Europa klimaneutral immer mit dem günstigsten Strom zu versorgen - ganz ohne fossile Energie.”

Source: RevenueBase Database · checked Sep 17, 2026
10Partial evidenceGlasgow, United KingdomHQ checked Sep 17, 20261,001-5,000766 contacts →

Partial evidence

“Through our range of innovative energy solutions, we are delivering the future of smart energy – working closely with private and public sector partners to decarbonise the UK…”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceLehi, UT, United StatesHQ checked Sep 17, 20265,001-10,000719 contacts →

Indirect evidence

“We’re on a mission to make power personal.”

Source: RevenueBase Database · checked Sep 17, 2026
12Indirect evidenceWalton-on-thames, United KingdomHQ checked Sep 17, 2026201-500658 contacts →

Indirect evidence

“We are passionate about driving sustainable change for our planet.”

Source: RevenueBase Database · checked Sep 17, 2026
13Partial evidenceAarhus, DenmarkHQ checked Sep 17, 2026501-1,000646 contacts →

Partial evidence

“We are a tech-driven energy trading company that trades power and gas across +40 markets.”

Source: RevenueBase Database · checked Sep 17, 2026
14Indirect evidenceMilan, ItalyHQ checked Sep 17, 2026201-500608 contacts →

Indirect evidence

“Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceLondon, United KingdomHQ checked Sep 17, 2026501-1,000595 contacts →

Partial evidence

“Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination.”

Source: RevenueBase Database · checked Sep 17, 2026
16Partial evidenceCharlotte, NC, United StatesHQ checked Sep 17, 2026201-500539 contacts →

Partial evidence

“Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.”

Source: RevenueBase Database · checked Sep 17, 2026
17Partial evidenceMilano, ItalyHQ checked Sep 17, 2026501-1,000512 contacts →

Partial evidence

“Efficienza energetica e mobilità elettrica per le PMI.”

Source: RevenueBase Database · checked Sep 17, 2026
18Partial evidenceGateshead, United KingdomHQ checked Sep 17, 2026501-1,000509 contacts →

Partial evidence

“As leaders in our field, we’re trusted by over businesses to provide a full energy service.”

Source: RevenueBase Database · checked Sep 17, 2026
19Strong evidenceCarmel, IN, United StatesHQ checked Sep 17, 2026201-500478 contacts →

Strong evidence

“ACES is a nationwide energy management company that helps its clients buy, sell, and manage the complexity of the U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
20Partial evidenceBoulder, CO, United StatesHQ checked Sep 17, 2026501-1,000472 contacts →

Partial evidence

“Uplight is a clean energy technology company that unlocks grid capacity by activating customers and their connected devices to generate, shift, and save energy.”

Source: RevenueBase Database · checked Sep 17, 2026
21Strong evidenceSan Diego, CA, United StatesHQ checked Sep 17, 2026201-500467 contacts →

Strong evidence

“Calpine Solutions is a retail energy provider with a robust suite of customized products, analytics, and data management solutions to turn a corporate electricity expense into a…”

Source: RevenueBase Database · checked Sep 17, 2026
22Strong evidenceBangalore, IndiaHQ checked Sep 17, 2026501-1,000446 contacts →

Strong evidence

“Founded in 2004 by a passionate team of entrepreneurs with deep expertise in energy management, Elmeasure began with a bold mission: to help industries, businesses, and…”

Source: RevenueBase Database · checked Sep 17, 2026
23Partial evidenceSevilla, MexicoHQ checked Sep 17, 2026201-500398 contacts →

Partial evidence

“Isotrol is the world market leader in energy software solutions and renewable energy plant control solutions used by large energy companies for 4 decades now.”

Source: RevenueBase Database · checked Sep 17, 2026
24Partial evidenceMilano, ItalyHQ checked Sep 17, 2026501-1,000377 contacts →

Partial evidence

“Il Gruppo Unoenergy da oltre 20 anni è uno dei primi operatori - a capitale interamente privato - per la fornitura di gas naturale, energia elettrica e servizi di efficientamento…”

Source: RevenueBase Database · checked Sep 17, 2026
25Indirect evidencePuteaux, FranceHQ checked Sep 17, 2026201-500374 contacts →

Indirect evidence

“Voltalis is the European leader of automated Demand Response.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 4,919 prosumer energy management companies worldwide

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Prosumer energy management companies worldwide at a glance

As of Sep 17, 2026
35.3%Verified-email coverage
26.2Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Madrid
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
2,439
11-50
1,780
51-200
484
201-500
110
501-1,000
34
1,001-5,000
22
5,001-10,000
7
10001+
7

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 prosumer energy management companies, 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.
Coverage
29 countries, largest first: the United States, Spain, Germany, Italy, the United Kingdom, Brazil, France, the Netherlands, Australia, India and 19 more. Country and city lists for prosumer energy management companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “prosumer energy management companies”. 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 prosumer energy management companies), 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 prosumer energy management companies, and records with no verified work email.
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, 45,524 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 17, 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.

Prosumer energy management companies by location

29 lists · largest first

Every Prosumer energy management 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 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 prosumer energy management companies, 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 prosumer energy management companies are there worldwide?

RevenueBase identified 4,919 prosumer energy management companies worldwide 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?

EATON, headquartered in Dublin, tops this list with the largest team on record.

Which country has the most prosumer energy management companies?

The United States leads with 848 companies, followed by Spain (495) and Germany (454). Every prosumer energy management companies list by country and city is linked on this page.

Which city has the most prosumer energy management companies?

Madrid leads with 101 headquartered companies, followed by London (80) and Sao Paulo (68).

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 45,524 verified decision-maker contacts tracked across these 4,919 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 17, 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.