Company directory
45+ Colorado clean energy companies across solar, storage, grid software, geothermal, hydrogen, and more.
45 companies
| Company | Sector | Stage | Funding | HQ |
|---|---|---|---|---|
| Uplight | Grid Software | Growth | $290M+ | Boulder |
| Nikola Power | Grid Software | Early | Techstars-backed | Denver |
| Switch Automation | Grid Software | Growth | Undisclosed | Denver |
| Peak Energy | Solar & Storage | Early | $55M | Broomfield |
| Solid Power | Solar & Storage | Growth | $50M DOE + VC | Thornton |
| Flatiron Energy | Solar & Storage | Early | Undisclosed | Denver |
| Pivot Energy | Solar & Storage | Growth | $450M (Nov 2024) | Denver |
| Sandbox Solar | Solar & Storage | Early | Undisclosed | Fort Collins |
| Skyhook Solar | Solar & Storage | Early | Undisclosed | Grand Junction |
| AtmosZero | Industrial Decarb | Early | $44.3M | Loveland / Fort Collins |
| Electra | Industrial Decarb | Early | Undisclosed (building pilot plant) | Boulder |
| Koloma | Hydrogen | Growth | $403M | Denver |
| New Day Hydrogen | Hydrogen | Early | $9M federal + state grant | Denver |
| Crusoe Energy Systems | Grid Software | Late | $600M Series D ($2.8B valuation) | Denver |
| Agami Zero | EV & Transportation | Pre-seed | CU Accelerator | Boulder |
| WeaveGrid | Grid Software | Growth | $78M+ | San Francisco (major Xcel/CO presence) |
| Electric Era Technologies | EV & Transportation | Early | State grant recipient | Seattle (CO grantee, Commerce City) |
| Helios Charging | EV & Transportation | Early | State grant recipient | Colorado (Ridgway/Fairplay) |
| ExoPower | EV & Transportation | Pre-seed | Advanced Industries grant | Grand Junction |
| Arcadia | Grid Software | Growth | $30M+ (Apr 2024) | Greenwood Village |
| Redaptive | Grid Software | Growth | Undisclosed (significant) | Denver |
| Scout Clean Energy | Solar & Storage | Growth | Acquired by Brookfield (2022) | Boulder |
| Korsail Energy | Solar & Storage | Early | Undisclosed | Denver |
| Spruce Power | Solar & Storage | Public (NYSE: SPRU) | Public company | Denver (HQ) |
| JUWI Inc. | Solar & Storage | Established | Subsidiary of juwi AG (Germany) | Boulder |
| Husk Power Systems | Solar & Storage | Growth | Undisclosed | Fort Collins |
| Cool Planet | Carbon Removal | Growth | Undisclosed | Greenwood Village |
| Charm Industrial | Carbon Removal | Growth | $100M+ | SF HQ / Fort Lupton CO ops |
| Fervo Energy | Geothermal | Public (NASDAQ: FRVO) | $1.5B+ | Houston TX / heavy NREL/CO ties, just IPO'd |
| GLADE Geothermal (Oxy) | Geothermal | R&D / Pilot | $9M DOE grant | Weld County, CO |
| Geothermal Technologies Inc. (GTI) | Geothermal | Early | $1.25M CO Energy Office grant | Maryland / Weld County CO project |
| High Altitude Geothermal | Geothermal | Early | Rural Jump-Start program | Craig, CO (Moffat County) |
| Elephant Energy | Home Electrification | Early (Series A) | $12.4M | Broomfield, CO |
| Zero Homes | Home Electrification | Pre-seed / Early | CO OEDIT Advanced Industries grant (Jan 2026) | Denver, CO |
| RMI (Rocky Mountain Institute) | Research / Policy | Established nonprofit | $170M annual revenue | Boulder + Basalt, CO (HQ) |
| SolRiver Capital | Solar & Storage | Growth | Undisclosed (fund-based) | Denver, CO |
| Platte River Power Authority | Research / Policy | Established (nonprofit utility) | Community-owned public utility | Fort Collins, CO |
| Itron (Colorado VPP deployment) | Grid Software | Public (NASDAQ: ITRI) | Public company | Liberty Lake WA / Colorado deployment |
| Nautilus Solar Energy | Community Solar | Growth | Undisclosed | Summit NJ / 17 Colorado solar farms |
| SunShare | Community Solar | Growth | Undisclosed | Denver, CO |
| Xcimer Energy | Fusion | Early | $101M | Denver, CO |
| Perennial | Carbon Removal | Early | $25M+ | Boulder, CO |
| Ascend Analytics | Grid Software | Growth | Undisclosed (PE-backed) | Boulder, CO |
| Wunder | Solar & Storage | Growth | $264M | Boulder, CO |
| Lightship | EV & Transportation | Growth | $100.6M | Broomfield, CO (mfg) / SF (HQ) |