Old Frontier Solar III

42 Settright Road, South Deerfield, MA 1373

Plant Summary Information

Old Frontier Solar III is ranked #207 out of 541 solar farms in Massachusetts in terms of total annual net electricity generation.

Old Frontier Solar III generated 641.0 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Old Frontier Solar III
Utility Name	Old Frontier Solar III PV, LLC
Location	Franklin County, MA
Initial Operation Date	September 2022
Last Update	Dec 2025
Annual Generation	3.8 GWh
Annual Consumption	13.5 k MMBtu
Ranked #9,035 out of 13,081 Power Plants Nationwide
Ranked #4,150 out of 7,015 Solar Power Plants Nationwide
Ranked #289 out of 648 Massachusetts Power Plants
Ranked #207 out of 541 Massachusetts Solar Power Plants
Fuel Types	Solar

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Summary Information
Plant Name	Old Frontier Solar III (68069)
Plant Address	42 Settright Road, South Deerfield, MA 1373
Utility	Old Frontier Solar III PV, LLC (66580)
Latitude, Longitude	42.49405, -72.62251
Generation Dates on File	Jan 2024 to Dec 2025
Initial Operation Date	September 2022
Annual Generation	3.8 GWh
Fuel Types	Solar

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	Yes
FERC Small Power Producer Docket Number	QF20-885-001
FERC Exempt Wholesale Generator Status	No

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	NA
Ash Impoundment
Transmission / Distribution Owner	NSTAR Electric Company (54913) MA
Grid Voltage	13.80 kV
Energy Storage	Yes

* Data obtained from the 2025 EIA 860 Report

Solar Details
Single Axis Tracking	Yes
Azimuth Angle	180
DC Net Capacity	2.7 MW
Crystalline Silicon	Yes
Net Metering Agreement	No
Virtual Net Metering Agreement	No

Uprate/Derate Completed	No
Status	Operating
First Operation Date	September 2022
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Electricity used for energy storage

Energy Storage Details
Nameplate Energy Capacity MWH	2.2
Maximum Charge Rate	2 MW
Maximum Discharge Rate	2 MW
Storage Technology	LIB
Storage Enclosure Type	CT
Excess Wind And Solar Generation	P
DC Coupled	Yes
Direct Support Of Another Unit	Yes
Direct Support Plant Id	68609
Direct Support Gen Id	16501
Support T D Asset	No

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

Power plants with a similar annual net generation from Solar.

Rank	Plant Name	Plant Location	Annual Generation
#4140	Robert O Schulz Solar Farm	Oakdale, CA	3.9 GWh
#4141	Marengo Solar	Marengo, IL	3.9 GWh
#4142	South Solar	Pamplico, SC	3.9 GWh
#4143	Labish Solar LLC	Salem, OR	3.9 GWh
#4144	Fredonia Solar (KS)	Fredonia, KS	3.9 GWh
#4145	Crawford 1A Solar	Dixon, IL	3.8 GWh
#4146	Washington Solar (SC)	Mullins, SC	3.8 GWh
#4147	Gunnison Solar	Gunnison, UT	3.8 GWh
#4148	Solar Star California II LLC	Sacramento, CA	3.8 GWh
#4149	Magdaline Solar, LLC	Lynchburg, SC	3.8 GWh
#4151	Woodfields Solar	Greenwood, SC	3.8 GWh
#4152	Adams Ave MS and HS	Egg Harbor Township, NJ	3.8 GWh
#4153	Lena	Lena, IL	3.8 GWh
#4154	Rounseville Solar	Rochester, MA	3.8 GWh
#4155	VA Sepulveda Ambulatory Care Center	North Hills, CA	3.8 GWh
#4156	Bloom Solar	Summerton, SC	3.8 GWh
#4157	Willis Solar	Pamplico, SC	3.8 GWh
#4158	USS Itasca Clean Energy Solar LLC	Grand Rapids, MN	3.8 GWh
#4159	Blue Goose Solar CSG	Morrison, IL	3.8 GWh
#4160	Bullock Road Solar 1	Freetown, MA	3.8 GWh

Below are closest 20 power plants surrounding Old Frontier Solar III.

Plant Name	Plant Location	Annual Generation	Distance
Axio Green LLC	Greenfield Township, MA	2.5 GWh	5.7 mi
Cabot	Montague, MA	239.5 GWh	6.8 mi
Central Heating Plant	Amherst, MA	79.6 GWh	8.4 mi
Deerfield 2	Conway, MA	29.4 GWh	7 mi
Deerfield CSG Solar	Deerfield, MA	4.3 GWh	5 mi
Fairview Farms Solar	Whately, MA	2.6 GWh	2.5 mi
Gardners Falls	Buckland, MA	11.4 GWh	8.7 mi
Hatfield Solar PV	Hatfield, MA	4.9 GWh	6.4 mi
Kearsarge Montague	Montague, MA	6.6 GWh	7.1 mi
Kearsarge Montague BD(CSG)	Montague, MA	3.1 GWh	7.1 mi
Long Plain Solar	Whatley, MA	3.5 GWh	3.6 mi
Montague Road Solar	Amherst, MA	4.2 GWh	6.6 mi
Montague Site 36-Grosolar	Millers Falls, MA	5.8 GWh	6.3 mi
Pulpit Hill	Amherst, MA	7.2 GWh	7.4 mi
Sunderland Solar PV	Sunderland, MA	1.6 GWh	6.2 mi
Turners Falls	Montague, MA	11.8 GWh	8.5 mi
UMASS	Amherst, MA	5.2 GWh	8.5 mi
UMass PV Lot 22	Amherst, MA	2.7 GWh	8.7 mi
Whately Solar	Whately, MA	2.4 GWh	3.3 mi
Whatley Renewables	Whatley, MA	1.7 GWh	3.5 mi