Gay Robinson

One Kaumakani Ave, Kaumakani, HI 96747

Plant Summary Information

Gay Robinson is ranked #35 out of 67 power plants in Hawaii in terms of total annual net electricity generation.

Gay Robinson is comprised of 4 generators and generated 9.9 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Gay Robinson
Utility Name	Gay & Robinson Inc
Location	Kauai County, HI
Initial Operation Date	March 1982
Last Update	Dec 2025
Annual Generation	35.6 GWh
Annual Consumption	129.9 k MMBtu
Ranked #4,623 out of 13,081 Power Plants Nationwide
Ranked #556 out of 1,311 Water Power Plants Nationwide
Ranked #35 out of 67 Hawaii Power Plants
Ranked #1 out of 5 Hawaii Water Power Plants
Fuel Types	Water

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

Summary Information
Plant Name	Gay Robinson (50333)
Plant Address	One Kaumakani Ave, Kaumakani, HI 96747
Utility	Gay & Robinson Inc (7019)
Latitude, Longitude	21.9178, -159.6294
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	March 1982
Annual Generation	35.6 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region
Balancing Authority	No BA (NA)
NAICS Code	Support Activities for Agriculture and Forestry (115)
Sector	Industrial Non-CHP (6)
Water Source	Olokele Ditch
Ash Impoundment
Transmission / Distribution Owner	Kauai Island Utility Cooperative (10071) HI
Grid Voltage	12.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	1.2 MW
Nameplate Power Factor	0.8
Summer Capacity	0.8 MW
Winter Capacity	0.8 MW
Minimum Load	0.2 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	March 1982
Combined Heat & Power	No
Sector Name	Industrial Non-CHP (6)
Energy Source	Water
Time From Cold Shutdown To Full Load	12H
Multiple Fuels	No

Status	Standby
Synchronized To Transmission Grid	No
First Operation Date	April 2010
Combined Heat & Power	No
Sector Name	Industrial Non-CHP (6)
Energy Source	Distillate Fuel Oil
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Status	Standby
Synchronized To Transmission Grid	No
First Operation Date	April 2010
Combined Heat & Power	No
Sector Name	Industrial Non-CHP (6)
Energy Source	Distillate Fuel Oil
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	1H
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	6.5 MW
Nameplate Power Factor	0.9
Summer Capacity	6.5 MW
Winter Capacity	6.5 MW
Minimum Load	0.5 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 2019
Combined Heat & Power	No
Sector Name	Industrial Non-CHP (6)
Energy Source	Water
Time From Cold Shutdown To Full Load	1H

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

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#546	Granite Shoals	Marble Falls, TX	36.8 GWh
#547	Port Edwards Mill	Port Edwards, WI	36.8 GWh
#548	Hydro Kennebec Project	Winslow, ME	36.8 GWh
#549	Stewart Mountain	Phoenix, AZ	36.6 GWh
#550	Marys Lake	Estes Park, CO	36.5 GWh
#551	Du Bay	Eau Pleine, WI	36.5 GWh
#552	Ayers Island	Bristol, NH	36.3 GWh
#553	Milford Hydro Station	Milford, ME	35.9 GWh
#554	Bishop Creek 4	Bishop, CA	35.8 GWh
#555	Allegheny No 6 Hydro Station	Ford City, PA	35.6 GWh
#557	Allegheny No. 5 Hydro Station	Schenley, PA	35.4 GWh
#558	Yonah	Toccoa, GA	35.4 GWh
#559	Moshier	Lowville, NY	35.1 GWh
#560	Grand Rapids	Ingalls, MI	35.1 GWh
#561	Clearwater 1	Idleyld Park, OR	35.0 GWh
#562	Brookfield Power Glen Falls Hydro	Glen Falls, NY	34.9 GWh
#563	Morgan Falls	Dunwoody, GA	34.6 GWh
#564	Lake Blackshear Project	Warwick, GA	34.6 GWh
#565	Green Springs	Columbia Falls, OR	34.5 GWh
#566	Chalk Hill	Stephenson, MI	34.0 GWh

Below are closest 20 power plants surrounding Gay Robinson.

Plant Name	Plant Location	Annual Generation	Distance
AES Kekaha Solar, LLC Hybrid	Kekaha, HI	26.6 GWh	10.2 mi
AES Lawai Solar Hybrid	Lawai, HI	38.6 GWh	8.8 mi
Aloha Solar Energy Fund 1 PK1	Waianae, HI	7.2 GWh	101.3 mi
Biomass to Energy Facility, Kauai	Koloa, HI	28.6 GWh	11.3 mi
EE Waianae Solar Project	Waianae, HI	53.2 GWh	98 mi
Kahe	Kapolei, HI	2.9 TWh	103.9 mi
Kalaheo Hydro	Kalaheo, HI	461.0 MWh	6.6 mi
Kapaa Photovoltaic Project	Kapaa, HI	1.6 GWh	22.1 mi
Kapaia Power Station	Lihue, HI	182.9 GWh	17.1 mi
Kapolei Solar Energy Park	Kapolei, HI	1.3 GWh	105.5 mi
Kawailoa Solar	Haleiwa, HI	68.5 GWh	103 mi
Kawailoa Wind	Haleiwa, HI	90.0 GWh	104.1 mi
KIUC Kapaia PV and BA Storage Project Hy	Lihue, HI	21.1 GWh	16.9 mi
KRS I Anahola Solar Hybrid	Anahola, HI	19.1 GWh	25.6 mi
KRS II Koloa Solar	Koloa, HI	18.0 GWh	11.6 mi
Mauka FIT One	Kahuku, HI	4.5 GWh	106.8 mi
Port Allen (HI)	Eleele, HI	93.4 GWh	3.1 mi
Port Allen Solar	Eleele, HI	8.5 GWh	3.2 mi
Schofield Generating Station	Schofield Barracks, HI	15.8 GWh	105.3 mi
Wainiha Hydro	Hanalei, HI	18.8 GWh	19.8 mi