NAICS 221111 - Hydroelectric Power Generation RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Hydroelectric Power Generation (NAICS 221111) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

About Hydroelectric Power Generation (NAICS 221111)

This U.S. industry comprises establishments primarily engaged in operating hydroelectric power generation facilities. These facilities use water power to drive a turbine and produce electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.

StatusTitleBuyerDue Date
OpenGeneration Asset Acquisition

The City of Vineland is requesting proposals for the acquisition of generation assets under RFP 2026-42.

Vineland, NJ, USA•Request for Proposal (RFP)
Vineland10/30/2026
OpenPelton Runner Supply for Cat Arm Unit 2

Newfoundland and Labrador Hydro is requesting proposals to supply a Pelton runner for Cat Arm Unit 2, with commercial general liability insurance of at least $5 million required.

Newfoundland and Labrador, Canada•Request for Proposal (RFP)
Newfoundland and Labrador Hydro10/30/2026
OpenEnergy Production and Power Generation

The National Science Foundation is seeking proposals for energy production and power generation technologies through its Small Business Innovation Research program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenUp to 100 MW of Accredited Capacity and Energy

The City of Independence, through Independence Power & Light, is requesting proposals for 20 to 100 MW of accredited capacity only or capacity and energy beginning June 1, 2027, including power purchase agreements, asset purchases, asset leases, and unit participation options.

Independence, MO, USA•Request for Proposal (RFP)
City of Independence > Power & Light Department10/16/2026
OpenDworshak Small Hydropower Plant Operations and Maintenance

The Idaho Water Resources Board is seeking proposals for operations and maintenance services at the Dworshak Small Hydropower Plant near Ahsahka, Idaho.

Dworshak Dam, Clearwater County, ID, USA•Request for Proposal (RFP)
State of Idaho > Idaho Water Resource Board10/14/2026
OpenLow- and Moderate-Income Consumer-Owned Energy Projects

The Maine Public Utilities Commission is seeking proposals to sell energy from low-income and moderate-income consumer-owned projects, including project information, affidavits, and hourly generation data.

Maine, USA•Request for Proposal (RFP)
State of Maine > Public Utilities Commission-
OpenOn-Call Hydroelectric and Generation Resource Consulting Services

Public Utility District No. 1 of Lewis County is seeking engineering and professional consulting firms for on-call, task-order services supporting the Cowlitz Falls Hydroelectric Project and existing or future generation resources from 2027 through 2030.

Cowlitz Falls, Lewis County, WA, USA•Request for Quote/Qualifications (RFQ)
Public Utility District No. 1 of Lewis County10/29/2026
OpenQuebradillas Water Treatment Plant Distributed Generation System

Puerto Rico's Central Office for Recovery, Reconstruction and Resiliency is seeking proposals for a distributed generation system at the Quebradillas Water Treatment Plant under FAAST.

Quebradillas, Puerto Rico•Request for Proposal (RFP)
Commonwealth of Puerto Rico > Central Office for Recovery, Reconstruction and Resiliency (COR3)-
OpenEnergy Harvesting Devices and Systems

The National Science Foundation is seeking proposals for the development of energy harvesting devices and systems through its Small Business Innovation Research program.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenEnergy Technologies

The National Science Foundation is seeking proposals for the Energy Technologies topic, covering new energy sources, power generation, energy storage, and electronic systems for mobile and off-grid applications.

United States•Request for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenNRP Power Supply A0

The Defense Logistics Agency is soliciting offers for an NRP power supply, identified as solicitation SPRPA126QYD60, under an emergency acquisition authority.

Philadelphia, PA, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION AT PHILADELPHIA, PA (DLR PROCUREMENT OPERATIONS [AP])10/26/2026
OpenEnergy and Ancillary Services

Matanuska Electric Association is seeking proposals from independent power producers for additional capacity, energy resources, and ancillary services through power purchase agreements.

Matanuska-Susitna Borough, AK, USA•Request for Proposal (RFP)
Matanuska Electric Association, Inc.10/24/2026
OpenMarine Corps Base Hawaii Energy Resilience and Generation Project

The Department of the Navy is notifying potential developers about a Hawaiian Electric Company RFP for a developer-led project providing at least 30 MW of firm generation, variable generation and storage, and resilient microgrid capabilities at Marine Corps Base Hawaii.

Marine Corps Base Hawaii Kaneohe Bay Post Office, Kaneohe Station, HI, USA•Other
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY12/3/2026
OpenUnit 4 Repowering Project – Engineering, Procurement, and Construction Services

The Imperial Irrigation District is seeking an Engineering, Procurement, and Construction contractor to design, build, test, commission, and turn over a 113 MW natural gas-fired reciprocating internal combustion engine generating facility at the El Centro Generating Station in California.

485 East Villa Avenue, El Centro, CA, USA•Request for Proposal (RFP)
Imperial Irrigation District11/26/2026
OpenElkhorn 3205 Zone Pumping Station Generator

Las Vegas Valley Water District is seeking a packaged diesel engine electric generator for the Elkhorn 3205 Zone Pumping Station.

Elkhorn, Las Vegas, NV, USA•Invitation for/to Bid (IFB/ITB)
Las Vegas Valley Water District10/12/2026
OpenWater Treatment Plant Generator Construction

The City of International Falls is requesting bids to construct and install a generator at its water treatment plant.

International Falls, MN, USA•Invitation for/to Bid (IFB/ITB)
City of Little Falls10/13/2026
OpenTuba City Electrical Transformer

The Navajo Tribal Utility Authority is seeking one 69 kV to 20.78/12 kV electrical power transformer for Tuba City.

Tuba City, AZ, USA•Invitation for/to Bid (IFB/ITB)
Navajo Nation > Navajo Tribal Utility Authority10/21/2026
ClosedDirect-Current Generators

The Defense Logistics Agency is requesting quotes for 48 direct-current generators, NSN 6115-01-283-4057, for delivery to the DLA Distribution Depot Oklahoma under a total small business set-aside.

Tulsa, OK, USA•Request for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA WEAPONS SUPPORT (MARITIME SUPPLY CHAIN)10/8/2026
OpenFall 2026 Indexed Renewable Energy Credits RFP

The Illinois Power Agency is seeking project proposals for indexed renewable energy credits from new utility-scale wind, solar, brownfield photovoltaic, and hydropower projects, with Part 1 proposals due October 16, 2026, Part 2 proposals due November 13, 2026, and bids due November 30, 2026.

Illinois, USA•Request for Proposal (RFP)
State of Illinois > Illinois Power Agency11/30/2026
OpenElectric Capacity and Energy Supply Services

The City of Ruston, through Ruston Light & Power, is seeking proposals for electric capacity and energy supply arrangements beginning June 1, 2027, across four product types and terms of three to five years.

Ruston, LA, USA•Request for Proposal (RFP)
City of Ruston > Ruston Light & Power11/10/2026
OpenHigh-Voltage System Engineering Services

The State of Nevada's Colorado River Commission is seeking proposals for high-voltage system engineering services under a contract running from January 4, 2027, through December 31, 2031.

100 North City Parkway, Las Vegas, NV, USA•Request for Proposal (RFP)
State of Nevada > Colorado River Commission10/26/2026
OpenCompetitive Electricity Supply Services

The University of Maine System is seeking quotations from qualified electricity suppliers to provide electricity to University of Maine Farmington, Augusta, Machias, and Southern Maine locations.

Maine, USA•Request for Quote/Qualifications (RFQ)
University of Maine System9/3/2027
Open2027 Cooperative Electricity Supply

Wayne-Finger Lakes BOCES and participating public entities are seeking vendors to supply electricity and establish fixed index-price adders for the January 1 through December 31, 2027 contract period.

New York, USA•Invitation for/to Bid (IFB/ITB)
Wayne-Finger Lakes BOCES10/27/2026
OpenWholesale Retail Electricity Market Research

The State of Maryland is seeking information from companies interested in an upcoming solicitation for wholesale retail electricity and generation and transmission services.

Maryland, USA•Request for Information (RFI)
Maryland10/8/2026
OpenUtility-Scale Energy Storage Procurement Feedback

The Illinois Power Agency is requesting stakeholder feedback on the completed 2026 utility-scale energy storage procurement and the design of 2027 procurements and the Energy Storage Resources Procurement Plan.

Illinois, USA•Request for Information (RFI)
State of Illinois > Illinois Power Agency10/28/2026
Frequently Asked Questions
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What is NAICS code 221111 (Hydroelectric Power Generation)?+

This U.S. industry comprises establishments primarily engaged in operating hydroelectric power generation facilities. These facilities use water power to drive a turbine and produce electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.

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