Solstice
AcquiredClean energy for every community
Boston, United States · Founded 2017 · $55.8M raised
- Headquarters
- Boston, Massachusetts
- Employees
- 11–50
- Founded
- 2017
- Business Model
- B2B
- Website
- solstice.us
- Total Funding
- $55.8M
- Last Round
- $21.0M Series AMay 2026
- Rounds
- 7
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Solstice was founded in 2014 by Sandhya Murali and Steph Speirs out of MIT as a nonprofit focused on bringing solar power to underserved communities. Today operating as a for-profit, Solstice connects tens of thousands of households and businesses to local solar farms, helping them access affordable clean energy without installing their own panels. The company also provides services for businesses and government to advance their clean energy impact, with a machine learning product called EnergyScore that uses alternative credit qualification models.
Summary
Solstice is a Clean Tech company based in Boston, United States, founded in 2017. It has raised $55.8M in total across 7 rounds, most recently a $21.0M Series A round in May 2026. Investors include Total Carbon Neutrality Ventures, Transformation Capital and Clean Ventures.
Tech & App Stack
8 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
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Funding History
May 2026
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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