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55 MW Distillate Oil standby in New Castle, DE — PJM Interconnection, LLC
55 MW
Nameplate Capacity
2
Generators
units
Petroleum Liquids
Technology
1973
Operating Since
Coordinates
39.7302, -75.5371
County
New Castle, DE
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Calpine Mid-Atlantic Generation LLC | Calpine Mid-Atlantic Generation | — |
| Owner(s) | Calpine Mid-Atlantic Generation LLC | Constellation Energy | — |
| Status | Standby | — | — |
The Christiana power plant is located in New Castle County, Delaware. The plant has a total capacity of 55 MW across two generators, using Distillate Fuel Oil (DFO) as its primary fuel source, classified under Petroleum Liquids technology. Christiana began operating in 1973 and is owned by Constellation Energy. The plant is operated by Calpine Mid-Atlantic Generation LLC. It is the largest of four power plants in Delaware, and ranks 96th out of 886 plants nationally.
Christiana operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. The plant's latest annual generation was 217 MWh, resulting in a capacity factor of 0.0%.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
51 MWh
Latest Month
217 MWh
Annual Generation
0.0%
Capacity Factor
CO₂ Intensity
8157 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
33 lb/MWh
SO₂
2013
$765/kW
Est. Construction Cost
Total estimated cost: $42.1M
Point of Interconnection
Nearest Substation
Christina Substation · 138 kV
Substation Distance
< 10 km
Operator
Delmarva Power
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
510440
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
View all articlesNo ask pi reports yet for this entity.
ask pi about ChristianaPJM Interconnection, LLC (PJM)
Grid Voltage
12.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0.000 lb/MWh
CH₄
0.342 lb/MWh
N₂O
0.068 lb/MWh
Capacity Factor
0.0%
Annual Net Gen
0 GWh
CO₂eq
8185 lb/MWh
Subregion
RFC East