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128.6 MW Black Liquor operating in Lowndes, MS — Tennessee Valley Authority
128.6 MW
Nameplate Capacity
4
Generators
units
Wood/Wood Waste Biomass
Technology
1982
Operating Since
Coordinates
33.3600, -88.4596
County
Lowndes, MS
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | International Paper Columbus Mill | International Paper | — |
| Owner(s) | International Paper Columbus Mill | International Paper | — |
| Status | Operating | operating | — |
The Columbus MS plant, located in Lowndes County, Mississippi, is a biomass-fueled power plant owned and operated by International Paper Columbus Mill, a subsidiary of International Paper. The plant has a total capacity of 128.6 MW distributed across four generators. It commenced operations in 1982, utilizing wood and wood waste biomass as its primary fuel source (BLQ). The plant operates within the Tennessee Valley Authority balancing authority and the SERC NERC region.
In the most recent year with available data, the Columbus MS plant generated 506,495 MWh of electricity, achieving a capacity factor of 44.9%. It is the largest biomass plant in Mississippi and ranks fourth among similar facilities nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tennessee Valley Authority (TVA)
Grid Voltage
161.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
Industrial CHP
47.4K MWh
Latest Month
506.5K MWh
Annual Generation
44.9%
Capacity Factor
CO₂ Intensity
99 lb/MWh
NOx
0.719 lb/MWh
SO₂
2 lb/MWh
CH₄
0.118 lb/MWh
N₂O
0.029 lb/MWh
Capacity Factor
47.6%
Annual Net Gen
536 GWh
CO₂eq
110 lb/MWh
Subregion
SERC Tennessee Valley
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $449.4M
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
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