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57.8 MW Muni. Waste operating in Essex, MA — ISO New England Inc.
57.8 MW
Nameplate Capacity
1
Generators
unit
Municipal Solid Waste
Technology
1985
Operating Since
Coordinates
42.4470, -70.9804
County
Essex, MA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wheelabrator Environmental Systems | Wheelabrator Environmental Systems | — |
| Owner(s) | Wheelabrator Environmental Systems | Wheelabrator Technologies Holdings | WIN Waste Innovations |
| Status | Operating | operating | — |
Wheelabrator Saugus is a 57.8 MW waste-to-energy power plant located in Essex County, Massachusetts. The plant, which began operating in 1985, utilizes municipal solid waste (MSW) as its primary fuel source. It has one generator and is owned by Wheelabrator Technologies Holdings, with Wheelabrator Environmental Systems as the operator. The plant is interconnected with the ISO New England Inc. balancing authority and is within the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year with available data, Wheelabrator Saugus generated 185,056 MWh of electricity, achieving a capacity factor of 36.6%. The facility is ranked as the second largest of five MSW plants in Massachusetts and the 16th largest of 56 MSW plants nationally. The plant has been the subject of four news articles, with three focused on industry topics and one on regulatory matters.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
IPP Non-CHP
18.0K MWh
Latest Month
185.1K MWh
Annual Generation
36.6%
Capacity Factor
CO₂ Intensity
2224 lb/MWh
NOx
6 lb/MWh
SO₂
3 lb/MWh
CH₄
1 lb/MWh
N₂O
0.187 lb/MWh
Capacity Factor
43.7%
Annual Net Gen
221 GWh
CO₂eq
2314 lb/MWh
Subregion
NPCC New England
2013
$3,495/kW
Est. Construction Cost
Total estimated cost: $202.0M
Point of Interconnection
Nearest Substation
Wheelabrator Saugus Substation · 115 kV
Substation Distance
0.079 km
Operator
Wheelabrator Technologies
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.RESCOS 115 RESC
Pricing Hub
.H.INTERNAL_HUB
Location Type
NETWORK NODE
Node Source
Curated node match
Last updated 2026-03-26
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