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656 MW Lignite operating in Mercer, ND — Southwest Power Pool
656 MW
Nameplate Capacity
2
Generators
units
Conventional Steam Coal
Technology
1966
Operating Since
Coordinates
47.2808, -101.3212
County
Mercer, ND
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Basin Electric Power Coop | — | — |
| Owner(s) | Basin Electric Power Coop | — | — |
| Status | Operating | — | — |
Leland Olds is a 656 MW coal-fired power plant located in Mercer County, North Dakota. The plant, which began operating in 1966, utilizes conventional steam coal technology and is primarily fueled by lignite (LIG). It consists of two generators and is owned and operated by Basin Electric Power Cooperative. Leland Olds ranks as the third-largest of four power plants in North Dakota, and 4th of 8 nationally, based on a proprietary ranking.
The plant operates within the Southwest Power Pool (SPP) balancing authority and the Midcontinent Reliability Organization (MRO) NERC region. In the most recent year with available data, Leland Olds generated 2,354,003 MWh, achieving a capacity factor of 41.2%. Financial data indicates an installed cost of $1,323.22 per kW, based on FERC filings. The plant has been the subject of 10 news articles, with coverage split between industry (6 articles) and regulatory (4 articles) topics.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
265.7K MWh
Latest Month
2.4M MWh
Annual Generation
41.2%
Capacity Factor
CO₂ Intensity
2544 lb/MWh
NOx
3 lb/MWh
SO₂
Steam turbine · basin electric power cooperative (pudl determined) · Data from 2019–2024
$1,321/kW
Installed Cost
$44.6/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
230kV Leland Olds Switchyard · 230 kV
Substation Distance
< 10 km
Operator
Basin Electric Power Cooperative
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
WAUELELANDOUNLELAND_2_UNIT_RA
Pricing Hub
SPP North Hub
Node Source
EIA-860 direct report
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about Leland OldsSouthwest Power Pool (SWPP)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
1 lb/MWh
CH₄
0.281 lb/MWh
N₂O
0.041 lb/MWh
Capacity Factor
56.7%
Annual Net Gen
3256 GWh
CO₂eq
2563 lb/MWh
Subregion
MRO West