Certified by Founder Lodge
257
United States - New York, New York
START UP
1 Disclosed Funding Rounds $9,200,000
0 Participating Investments
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Founded date
2023
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Operating Status
Active
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Last Funding Type
Seed
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Company Type
For Profit
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257 is a residential energy data platform.
We build digital energy twins for every home in the US, and then enable use of these twins through analytics tools, APIs and marketing tools.
| Date | Round | Raised | Participating Investors |
|---|---|---|---|
| March, 21 ,2025 | Seed | $9,200,000 |
F2 Venture Capital
Open Athena
Sumatra
Explo
Solsten
Basetwo AI
Slai (YC W22)
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imper.ai | $28,000,000 | (Dec 5, 2025)
SPhotonix Inc | $4,500,000 | (Dec 5, 2025)
Multifactor (YC F25) | $15,000,000 | (Dec 5, 2025)
