GG
GridGas
closedAnaerobic digestion platform converting food waste to renewable natural gas
Deal Size
$31M
Stage
Series A
Sector
Food Waste-to-Energy
Location
Columbus, OH
Announced: December 12, 2025
Deal Overview
GridGas operates modular anaerobic digestion facilities that convert commercial food waste into pipeline-quality renewable natural gas (RNG) and nutrient-rich digestate fertilizer. Their proprietary pre-processing technology handles high-contamination food waste streams that competitors reject, including packaged foods and mixed organics. Each facility processes 50,000 tons/year and generates $8M+ in annual revenue from RNG credits, tipping fees, and fertilizer sales.
Key Highlights
- ✓Handles contaminated food waste rejected by competitors
- ✓3 operating facilities, 4 more under construction
- ✓RNG qualifies for LCFS credits at $150+/ton CO2e
- ✓$12M run-rate revenue with 55% EBITDA margins
Founders
- Rachel Torres
- Dr. Amit Patel
Investors
- WasteVC
- Generate Capital
- Spring Lane Capital
Interested in Similar Deals?
WasteVC invests from Seed to Series B in waste management and circular economy startups.