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16 MW Distillate Oil operating in Marion, IA — Midcontinent Independent Transmission System Operator, Inc..
16 MW
Nameplate Capacity
8
Generators
units
Petroleum Liquids
Technology
2000
Operating Since
Coordinates
41.3160, -93.0610
County
Marion, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | — | — |
Knoxville Industrial is a 16 MW petroleum-fueled power plant located in Marion County, Iowa. The plant began operating in 2000 and consists of 8 generators utilizing petroleum liquid technology. It is owned by Berkshire Hathaway and operated by MidAmerican Energy Co.
The plant's latest annual generation was 39 MWh, resulting in a capacity factor of 0.0%. Knoxville Industrial operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the Midwest Reliability Organization (MRO) NERC region. It is ranked as the 17th largest power plant in Iowa out of 90, and 235th nationally out of 886 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
3 MWh
Latest Month
39 MWh
Annual Generation
0.0%
Capacity Factor
CO₂ Intensity
2112 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
42 lb/MWh
SO₂
4 lb/MWh
CH₄
0.086 lb/MWh
N₂O
0.017 lb/MWh
Capacity Factor
0.0%
Annual Net Gen
0 GWh
CO₂eq
2119 lb/MWh
Subregion
MRO West
2013
$765/kW
Est. Construction Cost
Total estimated cost: $12.2M
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.KNOXIN 1
Pricing Hub
MINN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Node Source
EIA-860 direct report
Last updated 2026-03-14
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