Certified by Founder Lodge
257
United States - New York, New York
START UP
1 Disclosed Funding Rounds $9,200,000
0 Participating Investments
-
Founded date
2023
-
Operating Status
Active
-
Last Funding Type
Seed
-
Company Type
For Profit
- Website
- Contact
- Social Links
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)
Valinor | $13,000,000 | (Dec 12, 2025)
Double (1) | $6,500,000 | (Dec 12, 2025)
Keeper | $4,000,000 | (Dec 12, 2025)
OnCorps AI | $55,000,000 | (Dec 12, 2025)
Cyphlens | $3,800,000 | (Dec 12, 2025)
