Company directory

45+ Colorado clean energy companies across solar, storage, grid software, geothermal, hydrogen, and more.

45 companies
CompanySectorStageFundingHQ
UplightGrid SoftwareGrowth$290M+Boulder
Nikola PowerGrid SoftwareEarlyTechstars-backedDenver
Switch AutomationGrid SoftwareGrowthUndisclosedDenver
Peak EnergySolar & StorageEarly$55MBroomfield
Solid PowerSolar & StorageGrowth$50M DOE + VCThornton
Flatiron EnergySolar & StorageEarlyUndisclosedDenver
Pivot EnergySolar & StorageGrowth$450M (Nov 2024)Denver
Sandbox SolarSolar & StorageEarlyUndisclosedFort Collins
Skyhook SolarSolar & StorageEarlyUndisclosedGrand Junction
AtmosZeroIndustrial DecarbEarly$44.3MLoveland / Fort Collins
ElectraIndustrial DecarbEarlyUndisclosed (building pilot plant)Boulder
KolomaHydrogenGrowth$403MDenver
New Day HydrogenHydrogenEarly$9M federal + state grantDenver
Crusoe Energy SystemsGrid SoftwareLate$600M Series D ($2.8B valuation)Denver
Agami ZeroEV & TransportationPre-seedCU AcceleratorBoulder
WeaveGridGrid SoftwareGrowth$78M+San Francisco (major Xcel/CO presence)
Electric Era TechnologiesEV & TransportationEarlyState grant recipientSeattle (CO grantee, Commerce City)
Helios ChargingEV & TransportationEarlyState grant recipientColorado (Ridgway/Fairplay)
ExoPowerEV & TransportationPre-seedAdvanced Industries grantGrand Junction
ArcadiaGrid SoftwareGrowth$30M+ (Apr 2024)Greenwood Village
RedaptiveGrid SoftwareGrowthUndisclosed (significant)Denver
Scout Clean EnergySolar & StorageGrowthAcquired by Brookfield (2022)Boulder
Korsail EnergySolar & StorageEarlyUndisclosedDenver
Spruce PowerSolar & StoragePublic (NYSE: SPRU)Public companyDenver (HQ)
JUWI Inc.Solar & StorageEstablishedSubsidiary of juwi AG (Germany)Boulder
Husk Power SystemsSolar & StorageGrowthUndisclosedFort Collins
Cool PlanetCarbon RemovalGrowthUndisclosedGreenwood Village
Charm IndustrialCarbon RemovalGrowth$100M+SF HQ / Fort Lupton CO ops
Fervo EnergyGeothermalPublic (NASDAQ: FRVO)$1.5B+Houston TX / heavy NREL/CO ties, just IPO'd
GLADE Geothermal (Oxy)GeothermalR&D / Pilot$9M DOE grantWeld County, CO
Geothermal Technologies Inc. (GTI)GeothermalEarly$1.25M CO Energy Office grantMaryland / Weld County CO project
High Altitude GeothermalGeothermalEarlyRural Jump-Start programCraig, CO (Moffat County)
Elephant EnergyHome ElectrificationEarly (Series A)$12.4MBroomfield, CO
Zero HomesHome ElectrificationPre-seed / EarlyCO OEDIT Advanced Industries grant (Jan 2026)Denver, CO
RMI (Rocky Mountain Institute)Research / PolicyEstablished nonprofit$170M annual revenueBoulder + Basalt, CO (HQ)
SolRiver CapitalSolar & StorageGrowthUndisclosed (fund-based)Denver, CO
Platte River Power AuthorityResearch / PolicyEstablished (nonprofit utility)Community-owned public utilityFort Collins, CO
Itron (Colorado VPP deployment)Grid SoftwarePublic (NASDAQ: ITRI)Public companyLiberty Lake WA / Colorado deployment
Nautilus Solar EnergyCommunity SolarGrowthUndisclosedSummit NJ / 17 Colorado solar farms
SunShareCommunity SolarGrowthUndisclosedDenver, CO
Xcimer EnergyFusionEarly$101MDenver, CO
PerennialCarbon RemovalEarly$25M+Boulder, CO
Ascend AnalyticsGrid SoftwareGrowthUndisclosed (PE-backed)Boulder, CO
WunderSolar & StorageGrowth$264MBoulder, CO
LightshipEV & TransportationGrowth$100.6MBroomfield, CO (mfg) / SF (HQ)