Query
SEMASS Resource Recovery
Type
Entity Briefing
Entity
SEMASS Resource Recovery
Generated
2026-10-17T22:27:36.291Z

Briefing on SEMASS Resource Recovery

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
99 MW
Capacity
Operating
Current status
1988
Operating since
2
Generators
65.8%
Capacity factor
567 GWh
Annual generation
Briefing/plantOperating

SEMASS Resource Recovery is a 99 MW Municipal Solid Waste asset in ISO New England, currently Operating.

SEMASS Resource Recovery is reported in Massachusetts since 1988 under EQT. Available operating and financial measures include 65.8% capacity factor and 567 GWh annual generation; $3495/kW reported CapEx.

Location
Plymouth, Massachusetts
Technology
Municipal Solid Waste
Owner / parent
EQT
Operator
SEMASS Partnership
Grid
ISO New England
Plant ID
50290

What stands out

1

SEMASS Resource Recovery is a 99 MW Municipal Solid Waste asset in Massachusetts with status Operating.

2

Latest annual operating measures report 65.8% capacity factor and 567 GWh annual generation.

3

Available financial measures include $3495/kW CapEx.

4

Latest linked story: “SEMASS is the least efficient form of energy production” (Plymouth Independent, 2024-03-04).

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#1 of 5
National rank
#3 of 55

Why it matters

For this asset in ISO New England, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.