Medway Grid

49 Milford Street, Medway, MA 2053

Plant Summary Information

Medway Grid is ranked #1 out of 12 electricity used for energy storage power plants nationwide in terms of total annual net electricity generation.

Medway Grid generated 19.5 GWh during the 3-month period between February 2026 to May 2026.

Plant Name	Medway Grid
Utility Name	Medway Grid LLC
Location	Norfolk County, MA
Initial Operation Date	Not Available
Last Update	May 2026
Annual Generation	19.5 GWh
Annual Consumption	0 MMBtu
Ranked #5,396 out of 13,081 Power Plants Nationwide
Ranked #1 out of 12 Electricity Used For Energy Storage Power Plants Nationwide
Ranked #50 out of 648 Massachusetts Power Plants
Ranked #1 out of 4 Massachusetts Electricity Used For Energy Storage Power Plants
Fuel Types	Electricity used for energy storage

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Monthly Net Generation for Medway Grid

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Monthly Plant Fuel Consumption for Medway Grid

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Medway Grid Details

Summary Information
Plant Name	Medway Grid (69720)
Plant Address	49 Milford Street, Medway, MA 2053
Utility	Medway Grid LLC (67615)
Latitude, Longitude	42.14537, -71.44737
Generation Dates on File	Mar 2026 to May 2026
Initial Operation Date	Not Available
Annual Generation	19.5 GWh
Fuel Types	Electricity used for energy storage

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	Yes
FERC Exempt Wholesale Generator Docket Number	26-18-000

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	NPCC
Balancing Authority	ISO New England Inc. (ISNE)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source
Ash Impoundment
Transmission / Distribution Owner	NSTAR Electric Company (54913) MA
Grid Voltage	356.00 kV
Energy Storage	Yes

* Data obtained from the 2025 EIA 860 Report

Medway Grid Plant Owners

Owner Name	Address	Ownership
*We couldn't locate any owners for this plant*

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Electricity used for energy storage.

Rank	Plant Name	Plant Location	Annual Generation
#2	PP Jaguar BESS LLC	Axtell, TX	7.7 GWh
#3	Liberty Hybrid Solar and Storage Project	Dayton, TX	103.9 GWh
#4	Regis Pirate	Sinton, TX	1.5 GWh
#5	Regis Muenster	Muenster, TX	1.2 GWh
#6	Regis Mason	Mason, TX	1.1 GWh
#7	Regis Monte Cristo LLC	McAllen, TX	1.1 GWh
#8	Regis Continental	Rio Grande City, TX	571.0 MWh
#9	Mohave Energy - Hybrid	Fort Mohave, AZ	44.3 GWh
#10	Annese Solar Project Hybrid CSG	Southbridge, MA	8.1 GWh
#11	Chocksett Rd Energy Storage Project	Sterling, MA	62.0 MWh
#12	BWC Lake Lashaway, LLC Hybrid	North Brookfield, MA	8.3 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Medway Grid.

Plant Name	Plant Location	Annual Generation	Distance
126 Grove Solar LLC	Franklin, MA	2.2 GWh	4.9 mi
ANP Bellingham Energy Project	Bellingham, MA	3.1 TWh	2.4 mi
ANP Blackstone Energy Project	Blackstone, MA	2.9 TWh	6.9 mi
Bellingham Cogeneration Facility	Bellingham, MA	367.8 GWh	4.1 mi
Bourne (MA) - Holliston I	Holliston, MA	3.5 GWh	2.3 mi
BWC Muddy Brook, LLC Hybrid	Mendon, MA	1.9 GWh	4.5 mi
BWC Mystic River	Mendon, MA	1.8 GWh	5.7 mi
BWC Origination 19	Hopedale, MA	1.7 GWh	3.8 mi
BWC Wading River One, Two, Three CSG	Mendon, MA	1.6 GWh	5.8 mi
Exelon Medway LLC	Medway, MA	4.4 GWh	0.4 mi
Exelon West Medway II LLC	Medway, MA	258.6 GWh	0.6 mi
Holliston LLC	Holliston, MA	1.8 GWh	4.9 mi
Holliston Solar CSG	Holliston, MA	1.5 GWh	2 mi
Hopkinton CSG	Hopkinton, MA	2.8 GWh	5.9 mi
Kearsarge Bellingham PV	Bellingham, MA	4.6 GWh	5.2 mi
Kearsarge William Way	Bellingham, MA	7.3 GWh	5 mi
Mendon	Mendon, MA	3.8 GWh	4.3 mi
Milford Power LP	Milford, MA	253.3 GWh	3.5 mi
Millis MA 1	Millis, MA	1.5 GWh	3.6 mi
Town of Norfolk MA at Medway Branch	Norfolk, MA	1.7 GWh	5.6 mi