Mammoth Pool

Sierra National Forest, North Fork, CA 93643

Plant Summary Information

Mammoth Pool is ranked #19 out of 221 hydroelectric power plants in California in terms of total annual net electricity generation.

Mammoth Pool is comprised of 2 generators and generated 66.3 GWh during the 3-month period between July 2024 to October 2024.

Plant NameMammoth Pool
Utility NameSouthern California Edison Co
LocationMadera County, CA
Initial Operation DateMarch 1960
Last Update Oct 2024
Annual Generation 466.7 GWh
Annual Consumption 1.8 M MMBtu
Ranked #1,358 out of 11,866 Power Plants Nationwide
Ranked #91 out of 1,369 Water Power Plants Nationwide
Ranked #94 out of 1,571 California Power Plants
Ranked #19 out of 221 California Water Power Plants
Fuel Types Water

Map of Mammoth Pool

Full Screen Map
Use Ctrl + scroll to zoom the map
Use two fingers to move the map

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Mammoth Pool.

Create Your Account Today

Monthly Net Generation for Mammoth Pool

150k150k120k120k90k90k60k60k30k30k00200120012002200220032003200420042005200520062006200720072008200820092009201020102011201120122012201320132014201420152015201620162017201720182018201920192020202020212021202220222023202320242024
Download SVG
Download PNG
Download CSV

Mammoth Pool Details

Summary Information
Plant NameMammoth Pool (344)
Plant AddressSierra National Forest, North Fork, CA 93643
UtilitySouthern California Edison Co (17609)
Latitude, Longitude37.2203, -119.33798
Generation Dates on FileJan 2001 to Oct 2024
Initial Operation DateMarch 1960
Annual Generation 466.7 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 RegionWECC
Balancing AuthorityCalifornia Independent System Operator (CISO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceSan Joaquin River
Ash Impoundment
Transmission / Distribution OwnerSouthern California Edison Co (17609) CA
Grid Voltage 220.00 kV
Energy StorageNo

Generator 1 Details Operating March 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor1
Summer Capacity95 MW
Winter Capacity95 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateMarch 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Solid Fuel Gasification No
Time From Cold Shutdown To Full Load10M

Generator 2 Details OA March 1960

TechnologyConventional Hydroelectric
Prime MoverHydroelectric Turbine
OwnershipSingle Owner
Nameplate Capacity95 MW
Nameplate Power Factor1
Summer Capacity95 MW
Winter Capacity95 MW
Uprate/Derate Completed No
StatusOA
First Operation DateMarch 1960
Combined Heat & Power No
Sector NameElectric Utility (1)
Energy SourceWater
Time From Cold Shutdown To Full Load10M

Mammoth Pool Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Water.

RankPlant NamePlant LocationAnnual Generation
#81Big Creek 2AAuberry, CA494.4 GWh
#82Balch 2Balch Camp, CA489.7 GWh
#83RyanGreat Falls, MT486.3 GWh
#84Pine FlatPiedra, CA485.0 GWh
#85HaasBalch Camp, CA484.0 GWh
#86Middle ForkForesthill, CA475.9 GWh
#87Don PedroLa Grange, CA472.9 GWh
#88White Rock/Slab CreekPlacerville, CA471.9 GWh
#89MerwinAriel, WA471.6 GWh
#90Wolf CreekJamestown, KY470.5 GWh
#92Narrows (NC)Badin, NC462.5 GWh
#93Cannelton Hydroelectric PlantHawesville, KY460.6 GWh
#94RalstonForesthill, CA459.9 GWh
#95Lay DamClanton, AL454.7 GWh
#96GuntersvilleGuntersville, AL453.4 GWh
#97CheoahTapoco, NC447.8 GWh
#98Summer Falls Power PlantCoulee City, WA447.2 GWh
#99JaybirdCamino, CA442.8 GWh
#100Fairfield Pumped StorageJenkinsville, SC442.5 GWh
#101ApalachiaReliance, TN435.9 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding Mammoth Pool.

Plant NamePlant LocationAnnual GenerationDistance
A G WishonNorth Fork, CA16.1 GWh10.4 mi
Balch 1Balch Camp, CA184.4 GWh25.5 mi
Balch 2Balch Camp, CA489.7 GWh25.6 mi
Big Creek 1Big Creek, CA393.8 GWh5.5 mi
Big Creek 2Auberry, CA296.2 GWh2.2 mi
Big Creek 2AAuberry, CA494.4 GWh2.2 mi
Big Creek 3Auberry, CA693.9 GWh5.6 mi
Big Creek 4North Fork, CA402.4 GWh10.1 mi
Big Creek 8Auberry, CA152.9 GWh0.9 mi
Clovis North High SchoolFresno, CA1.4 GWh31.7 mi
Friant Hydro FacilityFriant, CA106.2 GWh25.3 mi
HaasBalch Camp, CA484.0 GWh26.8 mi
J S EastwoodShaver Lake, CA21.9 GWh6.7 mi
Kerckhoff 2Auberry, CA389.8 GWh15.9 mi
Kings River PHBalch Camp, CA206.7 GWh25 mi
Kings River SyphonSanger, CA1.3 GWh32 mi
Pine FlatPiedra, CA485.0 GWh26.8 mi
PortalLakeshore, CA21.2 GWh10.2 mi
San Joaquin 2North Fork, CA1.5 GWh8.9 mi
SCCCD - Clovis Community CollegeFresno, CA2.0 GWh31.7 mi