Cobble Mountain

Old Granville Road, Granville, MA 1034

Plant Summary Information

Cobble Mountain is ranked #17 out of 27 hydroelectric power plants in Massachusetts in terms of total annual net electricity generation.

Cobble Mountain is comprised of 3 generators and generated 2.2 GWh during the 3-month period between September 2023 to December 2023.

Plant NameCobble Mountain
Utility NameCity of Holyoke Gas and Electric Dept.
LocationHampden County, MA
Initial Operation DateJanuary 1930
Last Update Dec 2023
Annual Generation 10.5 GWh
Annual Consumption 38.6 k MMBtu
Ranked #5,886 out of 11,623 Power Plants Nationwide
Ranked #902 out of 1,242 Water Power Plants Nationwide
Ranked #70 out of 586 Massachusetts Power Plants
Ranked #17 out of 27 Massachusetts Water Power Plants
Fuel Types Water

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Monthly Net Generation for Cobble Mountain

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Cobble Mountain Details

Summary Information
Plant NameCobble Mountain (1630)
Plant AddressOld Granville Road, Granville, MA 1034
UtilityCity of Holyoke Gas and Electric Dept. (8776)
Latitude, Longitude42.11711, -72.86466
Generation Dates on FileJan 2001 to Dec 2023
Initial Operation DateJanuary 1930
Annual Generation 10.5 GWh
Fuel Types Water
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionNPCC
Balancing AuthorityISO New England Inc. (ISNE)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceCobble Mountain Reservoir
Ash Impoundment No
Transmission / Distribution OwnerWestern Massachusetts Electric Company (20455) MA
Grid Voltage 69.00 kV
Energy StorageNo

Generator 1 Details Operating January 1930

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipWholly Owned by Other Entity
Nameplate Capacity13 MW
Nameplate Power Factor0.8
Summer Capacity12.9 MW
Winter Capacity13 MW
Minimum Load3 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1930
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Time From Cold Shutdown To Full Load10M

Generator 2 Details Operating January 1930

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipWholly Owned by Other Entity
Nameplate Capacity7 MW
Nameplate Power Factor0.8
Summer Capacity6.8 MW
Winter Capacity6.9 MW
Minimum Load1 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1930
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Time From Cold Shutdown To Full Load10M

Generator 3 Details Operating January 1930

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipWholly Owned by Other Entity
Nameplate Capacity13 MW
Nameplate Power Factor0.8
Summer Capacity12.9 MW
Winter Capacity13 MW
Minimum Load3 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJanuary 1930
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Time From Cold Shutdown To Full Load10M

Cobble Mountain Plant Owners

Owner NameAddressGeneratorOwnership
Springfield Water & Sewer CommP O Box 995, Springfield, MA 1101Generator 1100.00%
Springfield Water & Sewer CommP O Box 995, Springfield, MA 1101Generator 2100.00%
Springfield Water & Sewer CommP O Box 995, Springfield, MA 1101Generator 3100.00%

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Water.

RankPlant NamePlant LocationAnnual Generation
#892Juniper Ridge Hydroelectric ProjectBend, OR10.9 GWh
#893Phoenix Hydro ProjectPhoenix, NY10.9 GWh
#894Brainerd Public UtilitiesBrainerd, MN10.9 GWh
#895Gross Hydro PlantBoulder, CO10.8 GWh
#896New Hogan Power PlantValley Springs, CA10.8 GWh
#897Shavano Falls HydroMontrose, CO10.8 GWh
#898Indian OrchardIndian Orchard, MA10.6 GWh
#899WhitmanKetchikan, AK10.6 GWh
#900Mill Creek 3Mill Creek, CA10.5 GWh
#901Mink Creek HydroPreston, ID10.5 GWh
#903PittsfordPittsford, VT10.4 GWh
#904Rochester HydroMazeppa, MN10.3 GWh
#905Quail Creek Hydro Plant #1Hurricane, UT10.3 GWh
#906Ladysmith DamLadysmith, WI10.3 GWh
#907Johnson FallsTown of Stephenson, WI10.3 GWh
#908Seneca Falls Hydroelectric ProjectSeneca Falls, NY10.2 GWh
#909International Paper Livermore HydroLivermore Falls, ME10.2 GWh
#910Marble FallsMarble Falls, TX10.2 GWh
#911Upper BeaverBeaver, UT10.2 GWh
#912Quinebaug Lower ProjectBrooklyn, CT10.1 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Cobble Mountain.

Plant NamePlant LocationAnnual GenerationDistance
CED Westfield Solar, LLCWestfield, MA3.3 GWh6.9 mi
CES Agawam Tuckahoe Solar HybridAgawam, MA7.0 GWh9.8 mi
ENGIE 2019 ProjectCo-MA1, LLCAgawam, MA5.4 GWh12 mi
Goodwin HydroelectricW. Hartland, CT12.9 GWh11.9 mi
Goose Pond SolarSouthwick, MA7.0 GWh8.7 mi
GSPP Terrawatt Westfield LLC CSGWestfield, MA5.9 GWh8.2 mi
Holiday Hill Community WindRussell, MA9.5 GWh6.6 mi
Holyoke Solar Cooperative at MuellerHolyoke, MA3.9 GWh10.6 mi
Indian River HydroRussell, MA1.8 GWh4.9 mi
International Paper Woronoco MillWoronoco, MA6.2 GWh3.7 mi
Kearsarge Southwick LLCSouthwick, MA5.5 GWh8.3 mi
Route 57 SolarAgawam, MA2.1 GWh11 mi
Southampton Solar PVSouthampton, MA2.6 GWh9.8 mi
Southwick Solar PVSouthwick, MA8.3 GWh7.5 mi
Sunpin BlandfordSouthwick, MA6.2 GWh9.1 mi
Syncarpha Blandford Hybrid CSGBlandford, MA8.1 GWh7.6 mi
Texon Hydroelectric ProjectRussell, MA6.1 GWh7.2 mi
Tolland Solar NG LLCTolland, MA4.8 GWh10.3 mi
Town of Otis Wind Energy ProjectOtis, MA2.8 GWh11.2 mi
Twiss Street SolarWestfield, MA2.2 GWh6.4 mi