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57.5 MW BESS under construction in Floyd, GA — Southern Company Services, Inc. - Trans
57.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
—
Operating Since
Coordinates
34.2528, -85.3456
County
Floyd, GA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Georgia Power Co | Georgia Power | — |
| Owner(s) | Georgia Power Co | Southern | — |
| Status | Under construction | — | — |
Hammond is a battery storage power plant located in Floyd County, Georgia. The plant has a total capacity of 57.5 MW across one generator. It is owned by Southern Company and operated by Georgia Power Co. The primary fuel source is electricity (MWH), which is stored and then discharged to the grid. Hammond operates within the Southern Company Services, Inc. - Trans balancing authority and the SERC NERC region.
The plant's latest annual generation was 112,595 MWh, resulting in a capacity factor of 16.3%. Hammond has an installed cost of $1,058.4 per kW, according to FERC data. The plant is ranked 8th out of 9 battery storage plants in Georgia and 594th out of 1205 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
0 MWh
Net Discharge
112.6K MWh
Annual Net Energy
16.3%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Steam turbine · Georgia Power Company · Data from 2015–2021
$378/kW
Installed Cost
$344/kW
Annual CapEx
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 2026-03-26
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ask pi about HammondSouthern Company Services, Inc. - Trans (SOCO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility