Last updated 2026-06-18
- Raised $9.2M Seed round led by F2 Venture Capital, Mar 2025
- Raised Seed round led by Swift Ventures, Apr 2024
Total raised
$9.2M
Last: Seed 2025-03
Stage
Seed
Founded
2023
Headcount
2
HQ
Tel Aviv-Yafo, Israel
Sector
Energy Tech
About
257 is a residential energy data platform specializing in creating digital energy twins for every home in the United States. By integrating hundreds of data sources and utilizing artificial intelligence, 257 provides detailed energy profiles that enable utilities, solar companies, HVAC providers, and retail electric firms to better understand and engage homeowners. The platform offers solutions such as customer analysis, targeted marketing, and personalized engagement tools to enhance customer acquisition and program participation
Funding history · 2 rounds · $9.2M total
2024-04
Seed
Undisclosed
2025-03
Seed
$9.2M
Q&A
- What is 257's primary business?
- 257 is a residential energy data platform that creates digital energy twins for homes in the United States. It integrates data sources and uses AI to provide detailed energy profiles for utilities, solar companies, HVAC providers, and retail electric firms.
- When was 257 founded?
- 257 was founded in September 2023.
- What is the total amount of funding 257 has raised to date?
- 257 has raised a total of $9,200,000 USD.
- When was 257's most recent funding round and who were the lead investors?
- In March 2025, 257 completed a Seed funding round with F2 Venture Capital as a lead investor.
- Which investors participated in 257's Seed round in April 2024?
- Swift Ventures was a lead investor in 257's Seed funding round in April 2024.
- Who are the co-founders of 257?
- The co-founders of 257 include Scott Rosenberg (Co-founder & CEO), Tal Chalozin (Co-founder & CTO), Jeff Hammerbacher, Otto Von, and Joel Jewitt.
- What technologies does 257 utilize in its platform?
- 257 utilizes Artificial Intelligence and Machine Learning in its platform.
Team · 6
Sectors & technology
Primary sector
Energy Tech
Sub-sectors
Energy TechEnergy Consumption & EfficiencyClimate TechEnergy TransitionEco-Efficient Energy Usage
Technologies
Artificial IntelligenceMachine Learning
Target customers
Energy, Utilities & Waste ManagementUtilitiesElectricityRenewable Energy SystemsReal Estate & ConstructionManagement
Business model
B2CB2B2C
Tags
climate-techproptechsolar-panelsenergy-efficiencyproperty-managementenergytechelectric-utilitiesenergy-usagedata-analytics
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | 257.co |
|---|---|
| linkedin.com/company/94168824/ |
Identifiers & details
| Founded | 2023-9 |
|---|---|
| Employees (exact) | 2 |
Radar intelligence
Patents
| EPO | 12 |
|---|
Publications (Crossref)
| Works | 10 |
|---|
Web history (Wayback)
| Domain | 257.co |
|---|
Certificate / subdomain footprint
| Subdomains | 3 |
|---|