Planned natural gas power plants in the US, by state and grid
The FieldProspects database lists 870 planned natural gas projects in the United States totalling 273.2 GW, added to an operating gas fleet of 6,910 units and 584.6 GW. Texas has the most planned gas, 102 GW, and the planned pipeline equals 46.7% of operating gas capacity.
Data as of
What counts as a planned natural gas project?
A planned natural gas project is a gas-fired generating unit that appears in a grid operator interconnection queue or in federal generator filings but is not yet supplying power. A unit is one generator, so a single power plant can appear as more than one entry.
Planned versus operating natural gas
Of the three technology pages, gas is the one where the operating fleet dwarfs the pipeline: the planned 273.2 GW is 46.7% of the 584.6 GW already running. By entries the gap is wider, 870 planned against 6,910 operating, because planned units are larger: among entries that state a capacity, 317 MW on average against 84.6 MW.
The planned total is below planned solar (568.6 GW) and planned battery storage (435.8 GW). Gas is 17.7% of all planned capacity in the database but 41.4% of all operating capacity.
| Planned projects | 870 |
|---|---|
| Planned capacity | 273.2 GW |
| Operating projects | 6,910 |
| Operating capacity | 584.6 GW |
| Planned projects with a developer attributed | 16.8% (146 of 870) |
| Operating projects with a developer attributed | 0.3% (18 of 6,910) |
Where natural gas is planned: the leading states
Texas holds 37.3% of planned gas capacity, 102 GW across 335 projects. Virginia and Ohio come next at 20 GW and 17.6 GW. Ohio's 20 entries average 879.9 MW where a capacity is stated, the largest units of the top three. The ten states shown hold 77.6% of planned gas capacity.
Planned capacity compares very differently with what operates today. West Virginia plans 7.8 GW against 1.4 GW operating, while Pennsylvania plans 13.9 GW against a 30 GW fleet.
| State | Planned projects | Planned capacity | Operating projects | Operating capacity |
|---|---|---|---|---|
| Texas | 335 | 102 GW | 1,305 | 84.3 GW |
| Virginia | 39 | 20 GW | 103 | 15.1 GW |
| Ohio | 20 | 17.6 GW | 170 | 19.7 GW |
| Louisiana | 36 | 15.5 GW | 163 | 21.1 GW |
| Pennsylvania | 23 | 13.9 GW | 231 | 30 GW |
| Oklahoma | 29 | 10.7 GW | 153 | 16.7 GW |
| Indiana | 19 | 9.1 GW | 153 | 10.8 GW |
| Nebraska | 47 | 8 GW | 98 | 2.9 GW |
| West Virginia | 8 | 7.8 GW | 17 | 1.4 GW |
| Wisconsin | 25 | 7.4 GW | 102 | 8.2 GW |
Natural Gas by grid
ERCOT leads planned gas with 95.4 GW, followed by PJM at 71.2 GW and MISO at 51.3 GW. PJM's pipeline is smaller than its existing gas fleet of 108.2 GW, which is 1.6 times ERCOT's operating gas. The three grids hold 79.7% of planned capacity.
| Grid | Planned projects | Planned capacity | Operating projects | Operating capacity |
|---|---|---|---|---|
| ERCOT | 320 | 95.4 GW | 1,175 | 69.2 GW |
| PJM Interconnection | 125 | 71.2 GW | 987 | 108.2 GW |
| Midcontinent ISO (MISO) | 142 | 51.3 GW | 1,076 | 85 GW |
| Southwest Power Pool (SPP) | 142 | 35.6 GW | 648 | 37.7 GW |
| New York ISO (NYISO) | 10 | 4.7 GW | 323 | 25.8 GW |
| Tennessee Valley Authority | 28 | 3.9 GW | 142 | 18.6 GW |
| Southern Company | 10 | 3 GW | 249 | 36.3 GW |
| Arizona Public Service | 4 | 1.3 GW | 30 | 2.6 GW |
| Not assigned to a grid | None | None | 57 | 1.4 GW |
When planned natural gas is expected in service
Gas arrives later than solar or batteries. 2030 is the peak, with 222 projects and 64.5 GW, while 2028 has 171 and 52.6 GW.
33 planned gas entries carry no expected date, yet they hold 22 GW, 8.1% of planned capacity, so they are large units. A further 45 carry a year before 2026.
| Expected in-service year | Projects | Capacity | Share of capacity |
|---|---|---|---|
| Before 2026, still listed as planned | 45 | 14 GW | 5.1% |
| 2026 | 68 | 13.5 GW | 5% |
| 2027 | 175 | 34.5 GW | 12.6% |
| 2028 | 171 | 52.6 GW | 19.3% |
| 2029 | 105 | 35.8 GW | 13.1% |
| 2030 | 222 | 64.5 GW | 23.6% |
| 2031 | 25 | 18 GW | 6.6% |
| 2032 | 13 | 13.5 GW | 4.9% |
| 2033 | 6 | 2.1 GW | 0.8% |
| 2034 | 4 | 1.8 GW | 0.7% |
| 2035 | 3 | 966 MW | 0.4% |
| No expected date | 33 | 22 GW | 8.1% |
| All planned projects | 870 | 273.2 GW | 100% |
The five largest planned natural gas entries
The largest planned gas entry shown is 3 GW. Three of the five names carry a voltage, such as 345 kV or 500 kV, which marks them as connection points rather than plant names. Each figure is that entry alone.
| Entry name | Capacity |
|---|---|
| Homer City 345 kV | 3 GW |
| SIOUX | 2.2 GW |
| Flint Run 500 kV | 2.1 GW |
| BM Great Rock Energy Center | 2 GW |
| Rogers Road 500 kV | 1.8 GW |
What the database adds for natural gas
Developer coverage is thin for gas. A developer is attributed on 16.8% of planned gas projects (146 of 870), 0.3% of operating ones and 2.1% of all gas projects, so any gas developer ranking would describe only a small slice.
For most gas entries the database shows the project, its capacity, its county and its grid. The company behind it is named only where a developer is attributed.
Source. U.S. Energy Information Administration Form EIA-860M and ISO/RTO interconnection queues, compiled by FieldProspects.
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