U.S. Water Power Projects

FERC Regulatory Activity and Project Commissioning

Start Date (Year/Month)
End Date (Year/Month)
Project Status
Y-Axis Units
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Source: FERC Energy Infrastructure Update. For project-specific information visit the FERC e-Library

U.S. Water Power Projects

FERC Regulatory Activity and Project Commissioning

About This Chart

This chart displays data on Federal Energy Regulatory Commission (FERC) regulatory activities and project commissionings from 2010 to present. Data is pulled from the FERC Energy Infrastructure Update report, which is published monthly. Note that although the data is updated monthly there is a one month lag.

To run an inquiry on U.S. Water Power Projects, first select how you would like to display your results, by number of projects or capacity in megawatts. Next select if you would like to see projects that have filed their FERC license application, been issued their FERC license, or have been placed in service. Then select what type of technology projects you would like to see: hydropower, hydrokinetic, pumped storage, or all of the above. Finally select the date range you would like to see by selecting an initial year and month, followed by a final year and month. Note that the chart will update dynamically as you go through this inquiry process.

For more information on the selections you can make click on the "Definitions" link in the chart.


5-MW exemptions were expanded to 10-MW exemptions by the Hydropower Regulatory Efficiency Act of 2013.

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U.S. Water Power Projects

FERC Regulatory Activity and Project Commissioning

Definition List

FERC - The Federal Energy Regulatory Commission, or FERC, is an independent agency that regulates the interstate transmission of natural gas, oil, and electricity. FERC also regulates natural gas and hydropower projects

License Type

Traditional License: Projects seeking or operating under a full license from the Federal Energy Regulatory Commission. Most hydroelectric and hydrokinetic projects, excepting those exempt from regulation as described below, must obtain a FERC license.

Capacity Amendment: Projects which have chosen to add generating capacity to an existing license. A capacity-related amendment is needed when the increase in nameplate capacity is greater than 2 megawatts and increases the hydraulic (flow) capacity of the plant by 15% or more.

10-MW Exemption: Projects less than 10 megawatts in size, located on an existing dam or natural water feature. These projects are exempt from the full federal licensing process.

Conduit Exemption: Projects less than 15 megawatts (Non-Municipal) or 40 megawatts (Municipal) in size on a man-made conduit constructed for purposes other than power production. These projects are exempt from the full federal licensing process.

Project Status

Filed: Project has formally submitted a request for a license, capacity-related license amendment, or exemption

Issued: Project has successfully obtained a license, capacity-related license amendment, or exemption from the FERC

Placed in Service: Project has completed construction and is producing commercial power.

Technology Type

Hydropower: Projects which generate electricity from impounded or diverted water under pressure (head).

Hydrokinetic: Projects that generate electricity from waves or directly from the flow of water in ocean currents, tides, or inland waterways.

Pumped Storage: Hydropower projects that move water between two reservoirs for use at a later time.

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