WattCarbon measures and tracks carbon savings in buildings. Automated data feeds and real-time grid carbon intensity values allow any building or device anywhere in the world to reduce its carbon footprint by aligning with the availability of zero-carbon energy.
Location: United States
Employees: 1-10
Total raised: $6M
Founded date: 2021
Investors 5
| Date | Name | Website |
| - | Keiki Capi... | keikicapit... |
| - | Looking Gl... | lookinggla... |
| 30.01.2026 | Hyde Park ... | hpa.vc |
| 03.04.2026 | Slojo Inve... | slojoinves... |
| - | Jetstream | jetstream.... |
Funding Rounds 2
| Date | Series | Amount | Investors |
| 02.02.2023 | Seed | $4.5M | - |
| 14.12.2021 | - | $1.5M | - |
Mentions in press and media 13
| Date | Title | Description |
| 18.07.2025 | WattCarbon Raises Seed Extension Funding | WattCarbon, a San Francisco, CA-based provider of a automated M&V platform for demand-side energy resources, raised an undisclosed amount in Seed extension funding. Backers included Cerulean Ventures, City Light Capital, and Tom O’Keefe... |
| 17.07.2025 | WattCarbon Raises Seed Extension to Accelerate Role as the "Weights and Measures" for the Energy Transition | WattCarbon has secured a strategic Seed Extension from Cerulean Ventures, City Light Capital, and climate-tech leader Tom O'Keefe to turbo-charge its Aristotle™ platform—the "weights and measures" engine that turns every kilowatt-... |
| 07.09.2024 | WattCarbon launches WEATS Pro, the data platform to power any company's clean energy programs | Today, WattCarbon is excited to announce WEATS Pro, expanding its WEATS registry into a decarbonization management tool that any company can use to manage its internal decarbonization programs. Now, every energy efficiency project, demand f... |
| 23.05.2024 | WattCarbon launches WEATS Marketplace for distributed clean energy certificates, making high impact, carbon-free energy accessible to all net zero buyers. | Featured Supplier Stories on the WEATS Marketplace from WattCarbon The WEATS marketplace is the first clean energy buying platform where customers can see the carbon impact of their purchases, tracked to the hourly level. It's also the firs... |
| 16.01.2024 | WattCarbon closes first-ever hourly renewable EAC procurement with distributed solar in West Virginia | WattCarbon EAC for 479,038,109 watt-hours of renewable energy WattCarbon, a platform for Energy Attribute Certificate (EAC)-based clean energy procurement, has closed its first-ever hourly renewable deal of 500 MWh in collaboration with Wes... |
| 07.04.2023 | Why We Invested in WattCarbon — Achieving True Net Zero | To get to net zero carbon, we need a next generation carbon accounting platform, expert and reliable measurement and verification, and a comprehensive marketplace to monetize the beneficial carbon impacts of projects in the Built Environmen... |
| 02.02.2023 | WattCarbon Raises $4.5 Million to Launch a Net Zero 24/7 Carbon Free Energy Market | WattCarbon, an energy decarbonization company, announced that it has raised a $4.5 million seed round led by True Ventures to launch the world’s first Net Zero 24/7 Carbon Free Energy Market. WattCarbon’s Virtual Power Plants (VPPs) allow e... |
| 26.01.2023 | WattCarbon Raises $4.5M in Seed Funding | WattCarbon, a San Francisco, CA-based energy decarbonization company, raised $4.5M in Seed funding. The round was led by True Ventures, with participation from Village Global, Jetstream, Not Boring Capital, Keiki Capital, Rick Stratton, Chr... |
| 25.01.2023 | WattCarbon Raises $4.5 Million to Launch a Net Zero 24/7 Carbon Free Energy Market | WattCarbon Carbon Emissions Dashboard “Companies and cities are racing to achieve authentic net zero commitments. We are excited to launch a service that actually makes net zero energy immediately possible for any organization." - McGe... |
| 07.10.2022 | How open source is accelerating electric sustainability | Increasing concerns about climate change, sustainability tax incentives and pending energy shocks are all giving a boost to efforts to decarbonize the grid and increase energy efficiency. One result has been increased support for Linux Foun... |
Show more