Company lists · Data refreshed October 2026
Top 15 Cleantech and green energy startups based in Boston, United States
RevenueBase identified 26 company matches for cleantech and green energy startups associated with Boston, United States as of October 2026 and tracks 1,285 professional contacts across them, including 787 with verified work emails. Across the United States, New York is the largest hub for this category (79 companies); Boston has 26.
This list covers company matches for cleantech and green energy startups associated with Boston, United States, 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 9, 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 15 largest cleantech and green energy startups based in Boston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 610 contacts → | ||||
Exact match “Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 153 contacts → | ||||
Exact match “The Massachusetts Clean Energy Center is a state economic development agency dedicated to accelerating the growth of the clean energy and climatetech sector across the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 129 contacts → | ||||
Exact match “BlueWave is a mission-driven clean energy developer, owner, and operator building solar and energy storage solutions that strengthen the electric grid and deliver long-term grid…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 103 contacts → | ||||
Exact match “Swift Current Energy is trailblazing a path for clean energy now.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 50 contacts → | ||||
Exact match “Team Sunshine is New England's Premier Solar Installation Company and has been helping New England Homeowners transition from fossil fuels to renewable energy since 2019.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 49 contacts → | ||||
Exact match “Clean Energy Ventures is a venture capital firm focused on investing in companies commercializing disruptive advanced energy technologies and business model innovations that can…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 41 contacts → | ||||
Exact match “At Lightstar, we’re redefining solar energy for the benefit of all-people, places, and the planet.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 38 contacts → | ||||
Exact match “SmartFlower is a revolutionary solar energy system that follows the sun from sunrise to sunset.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Kearsarge Energy is a vertically integrated renewable energy project development and finance company that owns and operates its projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Cleantech Open is the oldest and largest cleantech startup accelerator program, with the mission to find, fund, and foster entrepreneurs with ideas to solve our greatest…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Galehead is the leading upstream technology and services platform for planning, management and delivery of greenfield development pipeline for the Energy Transition.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 10 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Heliovaas is an experienced and well capitalized renewable energy developer, bringing smarter, more secure solutions in distributed generation solar photovoltaic (PV) power to…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Concurrent is a renewable energy company that specializes in developing utility scale solar and battery storage facilities in Texas and California.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Rivermoor Energy provides clean energy development, planning, financing, and investment solutions to corporate, commercial, utility, government and institutional (higher…” Recorded in the RevenueBase company graph · Oct 9, 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 “cleantech and green energy startups”. 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 15 of 26 cleantech and green energy startups based in Boston, United States
See the full list, filter by size, metro and specialty, and access 787 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleantech and green energy startups based in Boston, United States at a glance
As of Oct 9, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 26 companies.
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.
- What qualifies
- Company records associated with Boston, United States whose business descriptions match “cleantech and green energy startups” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 787 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 9, 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.
Cleantech and green energy startups by metro in the United States
- Cleantech and green energy startups in New York79
- Cleantech and green energy startups in Houston55
- Cleantech and green energy startups in San Francisco42
- Cleantech and green energy startups in Austin39
- Cleantech and green energy startups in Chicago37
- Cleantech and green energy startups in San Diego33
- Cleantech and green energy startups in Los Angeles31
- Cleantech and green energy startups in Dallas30
- Cleantech and green energy startups in Miami27
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 “cleantech and green energy startups”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleantech and green energy startups are there based in Boston, United States?
RevenueBase identified 26 company matches for cleantech and green energy startups associated with Boston, United States 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?
Nexamp tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most cleantech and green energy startups?
New York leads the United States with 79 company records, followed by Houston (55) and San Francisco (42). Boston has 26.
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 787 professional contacts with verified work emails tracked across these 26 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 26 cleantech and green energy startups based in Boston, United States. Start with a free account, no credit card.
Download this list →Related lists
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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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Company intelligence · public preview
Top 15 cleantech and green energy startups based in Boston, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 26 matching company records for cleantech and green energy startups based in Boston, United States, with 1,285 tracked contacts and 787 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 cleantech and green energy startups based in Boston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Nexampnexamp.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 610 contacts → |
“Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Massachusetts Clean Energy Centermasscec.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 153 contacts → |
“The Massachusetts Clean Energy Center is a state economic development agency dedicated to accelerating the growth of the clean energy and climatetech sector across the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bluewavebluewave.energyHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 129 contacts → |
“BlueWave is a mission-driven clean energy developer, owner, and operator building solar and energy storage solutions that strengthen the electric grid and deliver long-term grid…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Swift Current Energyswiftcurrentenergy.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 103 contacts → |
“Swift Current Energy is trailblazing a path for clean energy now.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Team Sunshine Constructionteamsunshine.solarHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 50 contacts → |
“Team Sunshine is New England's Premier Solar Installation Company and has been helping New England Homeowners transition from fossil fuels to renewable energy since 2019.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Clean Energy Venturescleanenergyventures.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 49 contacts → |
“Clean Energy Ventures is a venture capital firm focused on investing in companies commercializing disruptive advanced energy technologies and business model innovations that can…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lightstar Renewables, LLClightstar.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 41 contacts → |
“At Lightstar, we’re redefining solar energy for the benefit of all-people, places, and the planet.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Smartflower Solarsmartflower.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 38 contacts → |
“SmartFlower is a revolutionary solar energy system that follows the sun from sunrise to sunset.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Kearsarge Energykearsargeenergy.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 24 contacts → |
“Kearsarge Energy is a vertically integrated renewable energy project development and finance company that owns and operates its projects.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cleantech Open Northeast ACTcleantechopen.orgHQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 15 contacts → |
“Cleantech Open is the oldest and largest cleantech startup accelerator program, with the mission to find, fund, and foster entrepreneurs with ideas to solve our greatest…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Galehead Developmentgaleheaddev.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 12 contacts → |
“Galehead is the leading upstream technology and services platform for planning, management and delivery of greenfield development pipeline for the Energy Transition.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Elevate Renewableselevaterenewableenergy.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 10 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Heliovaasheliovaas.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 5 contacts → |
“Heliovaas is an experienced and well capitalized renewable energy developer, bringing smarter, more secure solutions in distributed generation solar photovoltaic (PV) power to…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Concurrentconcurrentllc.comHQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 3 contacts → |
“Concurrent is a renewable energy company that specializes in developing utility scale solar and battery storage facilities in Texas and California.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Rivermoor Energyrivermoorenergy.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 3 contacts → |
“Rivermoor Energy provides clean energy development, planning, financing, and investment solutions to corporate, commercial, utility, government and institutional (higher…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 26 company matches
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Cleantech and green energy startups: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
26 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 26 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cleantech and green energy startups by metro in the United States
- Cleantech and green energy startups in New York79
- Cleantech and green energy startups in Houston55
- Cleantech and green energy startups in San Francisco42
- Cleantech and green energy startups in Austin39
- Cleantech and green energy startups in Chicago37
- Cleantech and green energy startups in San Diego33
- Cleantech and green energy startups in Los Angeles31
- Cleantech and green energy startups in Dallas30
- Cleantech and green energy startups in Miami27
Questions about this company list
What does Exact match mean for cleantech and green energy startups?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleantech and green energy startups did RevenueBase find based in Boston, United States?
The saved snapshot records 26 matching company records, 1,285 tracked contacts and 787 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleantech and green energy startups by geography
- Cleantech and green energy startups based in Melbourne, Australia
- Cleantech and green energy startups based in Sydney, Australia
- Cleantech and green energy startups based in Belo Horizonte, Brazil
- Cleantech and green energy startups based in Curitiba, Brazil
- Cleantech and green energy startups based in Fortaleza, Brazil
- Cleantech and green energy startups based in Rio De Janeiro, Brazil
- Cleantech and green energy startups based in Sao Paulo, Brazil
- Cleantech and green energy startups based in Calgary, Canada
- Cleantech and green energy startups based in Toronto, Canada
- Cleantech and green energy startups based in Santiago, Chile
- Cleantech and green energy startups based in Bogota, Colombia
- Cleantech and green energy startups based in Cairo, Egypt
Cite this list
RevenueBase Data Team. Top 15 cleantech and green energy startups based in Boston, United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/cleantech-and-green-energy-startups/united-states/boston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleantech and green energy startups based in Melbourne, Australia
- Cleantech and green energy startups based in Sydney, Australia
- Cleantech and green energy startups based in Belo Horizonte, Brazil
- Cleantech and green energy startups based in Curitiba, Brazil
- Cleantech and green energy startups based in Fortaleza, Brazil
- Cleantech and green energy startups based in Rio De Janeiro, Brazil
Company intelligence · public preview
Top 15 cleantech and green energy startups based in Boston, United States
RevenueBase records 26 matching company records for cleantech and green energy startups based in Boston, United States, with 1,285 tracked contacts and 787 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 cleantech and green energy startups based in Boston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Nexampnexamp.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 610 contacts → |
“Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Massachusetts Clean Energy Centermasscec.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 153 contacts → |
“The Massachusetts Clean Energy Center is a state economic development agency dedicated to accelerating the growth of the clean energy and climatetech sector across the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bluewavebluewave.energy HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 129 contacts → |
“BlueWave is a mission-driven clean energy developer, owner, and operator building solar and energy storage solutions that strengthen the electric grid and deliver long-term grid…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Swift Current Energyswiftcurrentenergy.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 103 contacts → |
“Swift Current Energy is trailblazing a path for clean energy now.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Team Sunshine Constructionteamsunshine.solar HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 50 contacts → |
“Team Sunshine is New England's Premier Solar Installation Company and has been helping New England Homeowners transition from fossil fuels to renewable energy since 2019.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Clean Energy Venturescleanenergyventures.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 49 contacts → |
“Clean Energy Ventures is a venture capital firm focused on investing in companies commercializing disruptive advanced energy technologies and business model innovations that can…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lightstar Renewables, LLClightstar.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 41 contacts → |
“At Lightstar, we’re redefining solar energy for the benefit of all-people, places, and the planet.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Smartflower Solarsmartflower.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 38 contacts → |
“SmartFlower is a revolutionary solar energy system that follows the sun from sunrise to sunset.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Kearsarge Energykearsargeenergy.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 24 contacts → |
“Kearsarge Energy is a vertically integrated renewable energy project development and finance company that owns and operates its projects.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cleantech Open Northeast ACTcleantechopen.org HQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 15 contacts → |
“Cleantech Open is the oldest and largest cleantech startup accelerator program, with the mission to find, fund, and foster entrepreneurs with ideas to solve our greatest…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Galehead Developmentgaleheaddev.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 12 contacts → |
“Galehead is the leading upstream technology and services platform for planning, management and delivery of greenfield development pipeline for the Energy Transition.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Elevate Renewableselevaterenewableenergy.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 10 contacts → |
“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 description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Heliovaasheliovaas.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 5 contacts → |
“Heliovaas is an experienced and well capitalized renewable energy developer, bringing smarter, more secure solutions in distributed generation solar photovoltaic (PV) power to…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Concurrentconcurrentllc.com HQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 3 contacts → |
“Concurrent is a renewable energy company that specializes in developing utility scale solar and battery storage facilities in Texas and California.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Rivermoor Energyrivermoorenergy.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 3 contacts → |
“Rivermoor Energy provides clean energy development, planning, financing, and investment solutions to corporate, commercial, utility, government and institutional (higher…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Cleantech and green energy startups: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
26 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 26 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cleantech and green energy startups by metro in the United States
- Cleantech and green energy startups in New York79
- Cleantech and green energy startups in Houston55
- Cleantech and green energy startups in San Francisco42
- Cleantech and green energy startups in Austin39
- Cleantech and green energy startups in Chicago37
- Cleantech and green energy startups in San Diego33
- Cleantech and green energy startups in Los Angeles31
- Cleantech and green energy startups in Dallas30
- Cleantech and green energy startups in Miami27
Questions about this company list
What does Exact match mean for cleantech and green energy startups?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleantech and green energy startups did RevenueBase find based in Boston, United States?
The saved snapshot records 26 matching company records, 1,285 tracked contacts and 787 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 15 cleantech and green energy startups based in Boston, United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/cleantech-and-green-energy-startups/united-states/boston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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