Company lists · Data refreshed September 2026

Top 18 Renewable portfolio management software companies based in Houston, United States

RevenueBase identified 30 renewable portfolio management software companies headquartered in Houston, United States as of September 2026 and tracks 1,197 professional contacts across them, including 641 with verified work emails. Across the United States, New York is the largest hub for this category (51 companies); Houston follows with 30.

This list covers renewable portfolio management software companies headquartered in Houston, United States, 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 29, 2026.

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 29, 2026 86% judged on-target in blind review
30Companies
1,197Contacts tracked
641Verified emails
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The 18 largest renewable portfolio management software companies based in Houston, United States

Ranked by team size
Top 18 of 30 renewable portfolio management software companies based in Houston, United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to renewable portfolio management software 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
1Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 2026501-1,000417 contacts →

Indirect evidence

“At Stem, we’re reimagining technology to drive the energy transition.”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-200223 contacts →

Partial evidence

“ANB Systems is a leading software provider for the energy industry.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-200156 contacts →

Partial evidence

“Founded in 2017, Catalyze is a fully integrated developer and Independent Power Producer (IPP) of distributed renewable energy assets.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-200101 contacts →

Partial evidence

“Clean Energy Services provides reliable services for renewable assets.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-20096 contacts →

Indirect evidence

“At E’kabel, we design and implement solutions that drive efficiency, sustainability, and performance across energy operations.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5036 contacts →

Partial evidence

“Renewa is a renewables company focused on acquisitions and investments within the solar, wind and renewable energy industries.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-20033 contacts →

Indirect evidence

“Chariot Energy is a retail electricity provider and energy solutions company serving residential, commercial, and industrial customers across competitive U.S.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5021 contacts →

Partial evidence

“Texas' first NABCEP Accredited PV Installation Company • NABCEP Certified PV Installation Professional # PV-102117-017952 Sunshine Renewable Solutions was established to address…”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-1014 contacts →

Indirect evidence

“WattBridge Energy is a Houston, Texas-based global independent power producer.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5012 contacts →

Indirect evidence

“We empower technicians with the tools they need to build the modern clean energy world.”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-5010 contacts →

Partial evidence

“Blended Power is a Houston, Texas based project development engineering consultant that provides technical and permitting support for renewable energy and data center projects.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-20010 contacts →

Indirect evidence

“Headquartered in Houston, TX right inside the Energy Corridor, KNS Solar, LLC, is a strategic international energy and project development corporation, with a combined experience…”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-109 contacts →

Indirect evidence

“We help companies and their investors succeed in the Energy Transition We offer integrated support in Consulting and Project Development in Sustainable Energy”

Source: RevenueBase Database · checked Sep 29, 2026
14Strong evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-106 contacts →

Strong evidence

“Tierra Climate is building the Power Trading Superintelligence software layer for managing clean energy portfolios.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-506 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-505 contacts →

Indirect evidence

“Merit SI is a sustainable infrastructure company that develops, designs, builds and operates industrial-grade solar photovoltaic power plants, energy storage solutions, and…”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261-104 contacts →

Indirect evidence

“Solar power development”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202611-504 contacts →

Indirect evidence

“Service Powered by Experience.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 18 of 30 renewable portfolio management software companies based in Houston, United States

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Renewable portfolio management software companies based in Houston, United States at a glance

As of Sep 29, 2026
53.6%Verified-email coverage
39.9Average contacts per company
11-50Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
10
51-200
7
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 30 companies.

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 renewable portfolio management software 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.
What qualifies
Companies headquartered in Houston, United States whose own description of what they do matches “renewable portfolio management software 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 renewable portfolio management software 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 renewable portfolio management software companies, and records with no verified work email. Companies headquartered outside Houston are excluded even when they keep an office there.
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, 641 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 29, 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.

Renewable portfolio management software companies by metro in the United States

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 renewable portfolio management software 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 renewable portfolio management software companies are there based in Houston, United States?

RevenueBase identified 30 renewable portfolio management software companies headquartered in Houston, United States 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?

Stem, INC, headquartered in Houston, tops this list with the largest team on record.

Which city in the United States has the most renewable portfolio management software companies?

New York leads the United States with 51 headquartered companies, followed by Houston (30) and San Francisco (28).

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 641 verified decision-maker contacts tracked across these 30 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 29, 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.