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Mendon — Power plant · Solar · BWC Box Pond LLCTaft BESS — Storage · MA · 200 MW · 11.0 km awayWESTBOROUGH DATA CENTER — Large load · MA · 21.3 km awayGRAFTON DATA CENTER — Large load · MA · 22.9 km away
  • Wind & solar
  • Storage
  • Loads
  • Under construction
  • Operating
  • Size not stated
  • 10 · 100 · 1,000 MW

Power plant · Solar

Key facts

Power plant · Solarran 15% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2017
Net generation, 2025
3,443 MWh
Grid
14 kV to Massachusetts Electric Co (ISNE)
Location
Worcester County, Massachusetts
Operated by
BWC Box Pond LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2020 to 2025

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Solar source: “Solar Photovoltaic”
Age
9 years since 2017
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Gem
Unit ids
G100000816701
Location id
L100000813963
Eia plant ids
64575
Grid
Nerc region
NPCC
Report year
2025
Grid voltage kv
13.80
Transmission owner
Massachusetts Electric Co
Balancing authority code
ISNE
Balancing authority name
ISO New England Inc.
Fuel burned (MMBtu), 202511,746
Capacity factor, 20250.151
Net generation (MWh), 20253,442.8
Balancing authority codeISNE

Solar arrays

Array area (acres)
10.8
AC capacity (MW)
2.6
DC capacity (MW)
3.2
Mounting
Single-axis tracking
Site type
Greenfield
Began operating
2017

Source USPVDB

Source

  • U.S. Large-Scale Solar Photovoltaic DatabaseOpen license · retrieved 25 Oct 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb

Attribution

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

Every source and license · Attribution

View at source

Around this plant

Nearby

within 25 km
Projects within 25 km, nearest first.
ProjectKindAwayMW
Taft BESS Under construction Storage 11.0 km 200
WESTBOROUGH DATA CENTER Built Large load 21.3 km
GRAFTON DATA CENTER Built Large load 22.9 km