Company lists · Data refreshed September 2026
Top 25 Renewable energy forecasting software based in the United States
RevenueBase identified 94 renewable energy forecasting software headquartered in the United States as of September 2026 and tracks 3,523 professional contacts across them, including 1,974 with verified work emails and 1,118 with mobile numbers. San Francisco is the largest hub.
This list covers renewable energy forecasting software headquartered in the 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
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.
The 25 largest renewable energy forecasting software based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 699 | ||||
“In an era where the world is rapidly advancing towards a cleaner future through decarbonization, Energy Exemplar’s mission lies in ‘Empowering Transformative Energy Decisions’🪫…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 494 | ||||
“Power Factors delivers renewable energy asset management software for global portfolios.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 417 | ||||
“At Stem, we’re reimagining technology to drive the energy transition.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 346 | ||||
“PCIEnergySolutions is a tight-knit team of 300 diligent product experts, engineers, business analysts, and more.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 334 | ||||
“AMSC (NASDAQ: AMSC) generates the ideas, technologies and solutions that meet the world’s demand for smarter, cleaner … better energy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 142 | ||||
“From its founding, AlsoEnergy has led the market in edge-to-cloud portfolio management solutions that make clean energy more resilient, manageable, and scalable.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 120 | ||||
“NRG Systems is the global leader in wind and solar resource measurement and intelligence.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 110 | ||||
“Raptor Maps is on a mission to make solar energy the smartest, most reliable, and most competitive source of electricity in the global economy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 103 | ||||
“Amperon is the leading energy forecasting company, positioned at the intersection of energy data and AI.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 93 | ||||
“Energy Toolbase is an industry-leading software platform that provides a cohesive suite of project modeling, storage control, and asset monitoring products that enable solar and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 85 | ||||
“Traditionally, power systems around the world were designed based on synchronous machines being the primary source of generation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 71 | ||||
“PowerGEM provides advanced power grid and energy market simulation software and services.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 43 | ||||
“Kitu Systems accelerates consumer adoption of solar, battery storage, and electric vehicle charging by enabling a new generation of interconnection and providing communications…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 29 | ||||
“Nira is grid-planning software built for the clean energy transition.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 | ||||
“Pearl Street Technologies, a Part of Enverus, is an interconnection solutions company based in Pittsburgh, Pennsylvania.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 | ||||
“encoord provides software tools, data, and advisory services to help energy stakeholders plan for the energy transition.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 | ||||
“Utopus Insights, Inc.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 | ||||
“We empower industries tackling the challenges of Climate Change and Energy Transition with actionable data and insightful solutions through our advanced Software Suite.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 | ||||
“NewGrid is a software firm in the electric power industry.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 | ||||
“Acelerex is a global pioneer in providing SaaS-based solutions to the challenges of integrating renewables, energy storage and electric vehicles into the 21st century power grid.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | SunairioStrong evidence | 16 | |||
“Sunairio is the first software company to leverage high-resolution probabilistic climate data for energy investment, portfolio strategy, and business insights.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 | ||||
“At EIRIS, we empower the future of energy resilience through innovative software solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | NeurogridStrong evidence | 15 | |||
“Data and analytics platform to revolutionize the way developers evaluate, advance, manage and sell renewable energy projects.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | UL Solutions Homer SoftwarePartial evidence | 12 | |||
“UL Solutions HOMER software delivers industry-leading system simulations, optimization, sensitivity analysis and best-in-class storage models across three categories of hybrid…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | WattmoreStrong evidence | 10 | |||
“WATTMORE is building a software infrastructure which seamlessly integrates and manages millions of distributed energy resources.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 94 renewable energy forecasting software based in the United States
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Renewable energy forecasting software based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 energy forecasting software, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “renewable energy forecasting software”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among renewable energy forecasting software, and records with no verified work email. Companies headquartered outside United States 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 an evidence 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, 1,974 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 5, 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.
Frequently asked
How many renewable energy forecasting software are there based in the United States?
RevenueBase identified 94 renewable energy forecasting software headquartered in the 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?
Energy Exemplar, headquartered in Salt Lake City, tops this list with the largest team on record.
Which city has the most renewable energy forecasting software?
San Francisco leads with 7 headquartered companies, followed by Boulder (5) and Dallas (4).
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 1,974 verified decision-maker contacts tracked across these 94 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 5, 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.
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