Colorado has 157 solar farms in the EIA Form 860 database, with a combined installed capacity of 2,358 MW. Of those, 12 plants are utility-scale (50 MW or larger), including 4 mega-projects of 200 MW or more. The largest single facility is Neptune Energy Center Hybrid in Boone, Pueblo County — a 325 MW plant operated by Neptune Energy Center, LLC.
Use the interactive Colorado solar farms map below to explore every plant, color-coded by technology type and sized by capacity. Click any solar farm for its name, operator, capacity (MW), technology, and location — or view the full US solar farms interactive map to compare Colorado to every other state.
Type
Capacity
Colorado Solar Farms by the Numbers
- 157 total solar farms in Colorado (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 2,358 MW total installed solar capacity
- 227 MW co-located battery storage capacity
- 12 utility-scale plants (50 MW or larger)
- 4 mega-projects rated 200 MW or larger
- 116 small / community-scale plants (under 5 MW)
Colorado Solar Farms by Technology Type
- 153 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
- 4 Solar PV with Battery Storage — newer hybrid plants that pair panels with on-site batteries to store excess generation
The 15 Largest Solar Farms in Colorado
The largest solar farm in Colorado by installed capacity is Neptune Energy Center Hybrid at 325 MW. The 15 largest Colorado solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | Neptune Energy Center Hybrid | Neptune Energy Center, LLC | 325 MW + 125 MW battery | Boone, Pueblo |
| 2 | Thunder Wolf Energy Center Hybrid | Thunder Wolf Energy Center, LLC | 248 MW + 100 MW battery | Avondale, Pueblo |
| 3 | Bighorn Solar 1 | Lightsource Renewable Energy Asset Management, LLC | 240 MW | Pueblo, Pueblo |
| 4 | Sun Mountain Solar 1 | Lightsource Renewable Energy Asset Management, LLC | 200 MW | Unincorporated Pueblo, Pueblo |
| 5 | Pike Solar Hybrid | Duke Energy Renewables Services | 175 MW | Fountain, El Paso |
| 6 | Spanish Peaks Solar | Spanish Peaks Solar LLC | 140 MW | Trinidad, Las Animas |
| 7 | Comanche Solar | Onward Energy | 120 MW | Pueblo, Pueblo |
| 8 | Pioneer Solar (CO), LLC | Pioneer Solar (CO), LLC | 80 MW | Bennett, Adams |
| 9 | Hunter Solar, LLC (CO) | Hunter Solar, LLC | 75 MW | Bennett, Arapahoe |
| 10 | Palmer Solar | Duke Energy Renewables Services | 60 MW | Fountain, El Paso |
| 11 | Hooper Solar | Solar Star Colorado III, LLC | 52 MW | Mosca, Alamosa |
| 12 | Titan Solar | Titan Solar, LLC | 50 MW | Deer Trail, Arapahoe |
| 13 | Grazing Yak Solar | Grazing Yak Solar, LLC | 35 MW | Calhan, El Paso |
| 14 | San Luis Valley Solar Ranch | Avangrid Power LLC | 35 MW | Mosca, Alamosa |
| 15 | San Isabel Solar, LLC | San Isabel Solar, LLC | 30 MW | Trinidad, Las Animas |
Top Solar Operators in Colorado
Five operators account for the largest share of solar generation in Colorado:
- Lightsource Renewable Energy Asset Management, LLC — 2 plants, 440 MW total
- Neptune Energy Center, LLC — 1 plant, 325 MW total
- Thunder Wolf Energy Center, LLC — 1 plant, 248 MW total
- Duke Energy Renewables Services — 3 plants, 248 MW total
- Spanish Peaks Solar LLC — 1 plant, 140 MW total
Solar Permitting and Regulation in Colorado
Utility-scale solar in Colorado is overseen by the Colorado Public Utilities Commission. Wholesale market participation and interconnection are regulated by the Federal Energy Regulatory Commission (FERC) and the relevant ISO/RTO. All generators above 1 MW must report capacity, fuel type, and location to the EIA via Form 860 — the dataset used in this map.
Frequently Asked Questions
How many solar farms are in Colorado?
Colorado has 157 solar farms in the latest EIA Form 860 filing — a combined 2,358 MW of installed capacity. Of those, 12 are utility-scale (50 MW or larger).
What is the largest solar farm in Colorado?
The largest solar farm in Colorado is Neptune Energy Center Hybrid, located in Boone (Pueblo County), with 325 MW of installed capacity. It is operated by Neptune Energy Center, LLC.
How much solar capacity does Colorado have?
Colorado has 2,358 MW of installed solar capacity across 157 plants reporting to the EIA. This counts only the solar portion (Solar_MW field) — co-located batteries and other generation are reported separately.
Who regulates solar farms in Colorado?
Solar farms in Colorado are regulated by the Colorado Public Utilities Commission at the state level, with federal oversight from FERC. The EIA collects annual data on every utility-scale solar plant via Form 860.
View all 6,406 US solar farms on the national interactive map
