Power plants planned and retiring in Colorado
Colorado plans 6,346 MW, 29% of its 21,781 MW in service (10th of 51). 2,964 MW is being built or tested; solar leads at 2,711 MW.
Colorado: planned against running
Colorado planned, by fuel
- Solar 2,711 MW (43%)
- Storage 1,648 MW (26%)
- Wind 1,038 MW (16%)
- Natural gas 949 MW (15%)
Colorado operating, by fuel
- Solar 3,298 MW (15%)
- Storage 1,245 MW (6%)
- Wind 5,848 MW (27%)
- Natural gas 7,246 MW (33%)
- Coal 3,286 MW (15%)
- Hydro 693 MW (3%)
- Oil 143 MW (1%)
- Other 22 MW (0%)
When Colorado capacity arrives and leaves
MW due online and retiring in Colorado, 2026 to 2033: 6 rows
| Year | Colorado planned MW | Colorado retiring MW |
|---|---|---|
| 2026 | 1154 | 762 |
| 2027 | 2570 | 263 |
| 2028 | 1492 | 1044 |
| 2029 | 630 | 933 |
| 2030 | 500 | 777 |
| 2033 | No data | 10 |
6 rows from EIA-860M.
CSVColorado projects dated after 2035 or without a year: 0 MW.
Where the Colorado projects are
Colorado: 18 counties shaded, darker for more planned MW.
Filter Colorado planned projects
Filter the 49 planned project lines in Colorado.
6,346 MW across 49 project lines, 29% of the 21,781 MW operating in Colorado.
- Singing Grass Wind, Kit Carson: 600 MW wind, online 2027
- Cheyenne Ridge II, Cheyenne: 438 MW wind, online 2027
- Mirasol Energy Center, LLC., Pueblo: 400 MW solar, online 2028
- Horizon, El Paso: 370 MW natural gas, online 2028
- Fort St Vrain, Weld: 356 MW natural gas, online 2027
What the Colorado numbers say
Colorado runs 21,781 MW today. The planned list would add 6,346 MW (29%) while 3,929 MW (18%) of operating units carry a retirement date. Through 2035, Colorado has 6,346 MW due online and 3,789 MW due to retire there.
Colorado planned mix: 85% solar, storage and wind, 15% natural gas. Colorado stages: 2,964 MW under construction or in testing, 1,180 MW permits received, not started, 969 MW permits pending, 1,233 MW early planning, no approvals started. Colorado retired 751 MW from 2021 to 2026 and has 2,119 MW on the canceled or postponed list.
Colorado capacity by fuel and status
| Colorado fuel | Operating MW | Planned MW | Retiring MW | Retired MW | Canceled in Colorado, MW |
|---|---|---|---|---|---|
| Solar | 3,298 | 2,711 | 140 | – | 918 |
| Storage | 1,245 | 1,648 | – | 7 | 781 |
| Wind | 5,848 | 1,038 | – | 30 | 328 |
| Natural gas | 7,246 | 949 | 482 | 286 | 90 |
| Coal | 3,286 | – | 3,286 | 402 | – |
| Hydro | 693 | – | 1 | 2 | 1 |
| Oil | 143 | – | 20 | 10 | – |
| Other | 22 | – | – | 16 | 2 |
| All fuels | 21,781 | 6,346 | 3,929 | 751 | 2,119 |
Colorado counties with the most planned capacity
| Colorado county | Planned, MW | Generators | Largest fuel |
|---|---|---|---|
| Pueblo County | 1,418 | 7 | Solar |
| Morgan County | 808 | 7 | Storage |
| Weld County | 792 | 12 | Natural gas |
| Kit Carson County | 750 | 2 | Wind |
| Cheyenne County | 688 | 2 | Wind |
| El Paso County | 470 | 11 | Natural gas |
| Kiowa County | 300 | 1 | Solar |
| Larimer County | 225 | 6 | Natural gas |
| Mesa County | 202 | 3 | Solar |
| Las Animas County | 202 | 2 | Solar |
Largest planned projects in Colorado
| Colorado plant | County | Fuel | Stage | Due | MW |
|---|---|---|---|---|---|
| Singing Grass Wind | Kit Carson | Wind | Under construction or in testing | 2027 | 600 |
| Cheyenne Ridge II | Cheyenne | Wind | Under construction or in testing | 2027 | 438 |
| Mirasol Energy Center, LLC. | Pueblo | Solar | Permits received, not started | 2028 | 400 |
| Horizon | El Paso | Natural gas | Early planning, no approvals started | 2028 | 370 |
| Fort St Vrain | Weld | Natural gas | Under construction or in testing | 2027 | 356 |
| Arroyo Solar | Pueblo | Solar | Under construction or in testing | 2026 | 335 |
| Deep Space Solar | Kiowa | Solar | Early planning, no approvals started | 2030 | 300 |
| Dry Land Prairie Energy Storage | Cheyenne | Storage | Under construction or in testing | 2026 | 250 |
| South Platte Storage | Morgan | Storage | Under construction or in testing | 2027 | 250 |
| Stagecoach LRE | Pueblo | Solar | Permits received, not started | 2029 | 230 |
Colorado against its neighbors
Colorado: planned MW equal 29% of operating. Bordering states: Arizona plans 36% of what it runs (7 points above Colorado); Kansas plans 11% of what it runs (18 points below Colorado); Nebraska plans 17% of what it runs (13 points below Colorado); New Mexico plans 20% of what it runs (9 points below Colorado); Oklahoma plans 15% of what it runs (14 points below Colorado); Utah plans 32% of what it runs (3 points above Colorado); Wyoming plans 60% of what it runs (30 points above Colorado).
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Sources
EIA-860M inventory for Colorado: 516 operating generators, 49 planned lines, edition August 2026, retrieved 5 Oct 2026. Sources for {e(sn)}.
More on Colorado
Questions
Colorado: how much new power plant capacity is planned?
6,346 MW, 29% of the 21,781 MW Colorado runs. 2,964 MW is being built or tested in Colorado.
Colorado: what kind of power plants are planned?
Solar leads Colorado with 2,711 of 6,346 planned MW.
Colorado: which power plants are retiring?
3,929 MW of Colorado units have a retirement date, of which 3,286 MW is coal and 482 MW natural gas.
Will Colorado get all the planned plants?
Not necessarily. Colorado has 2,119 MW canceled or postponed, and 751 MW (coal the largest group) retired from 2021 to 2026.