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810.4 MW Natural Gas operating in Effingham, GA — Southern Company Services, Inc. - Trans
810.4 MW
Nameplate Capacity
8
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1994
Operating Since
Coordinates
32.3569, -81.1702
County
Effingham, GA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Georgia Power Co | Georgia Power | — |
| Owner(s) | Georgia Power Co | Southern | — |
| Status | Operating | — | — |
The McIntosh plant is a natural gas-fired power plant located in Effingham County, Georgia. It has a total capacity of 810.4 MW across 8 generators utilizing natural gas-fired combustion turbine technology. The plant began operating in 1994 and is owned by Southern Company, with Georgia Power Co. as the operator. McIntosh is ranked as the 9th largest power plant in Georgia out of 26, and 242nd nationally out of 945 plants. The plant operates within the Southern Company Services, Inc. - Trans balancing authority and the SERC NERC region.
In the most recent year with available data, McIntosh generated 35,533 MWh, resulting in a capacity factor of 0.5%. Financial data indicates an installed cost of $3.27 per kW, based on FERC filings. The plant has been the subject of 10 news articles, with coverage focusing on grid-related topics (5 articles), industry news (3 articles), and regulatory matters (2 articles).
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
174 MWh
Latest Month
35.5K MWh
Annual Generation
0.5%
Capacity Factor
CO₂ Intensity
2297 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
5 lb/MWh
SO₂
Gas turbine · Georgia Power Company · Data from 2020–2024
$358/kW
Installed Cost
$87/kW
Annual CapEx
$343.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about McIntoshSouthern Company Services, Inc. - Trans (SOCO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.108 lb/MWh
CH₄
0.048 lb/MWh
N₂O
0.006 lb/MWh
Capacity Factor
0.3%
Annual Net Gen
18 GWh
CO₂eq
2300 lb/MWh
Subregion
SERC South