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[DATA UPDATE] Use Sourced Data for Existing Site PSH Calculations#10

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vc/PSHExistingPSHDataUpdate
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[DATA UPDATE] Use Sourced Data for Existing Site PSH Calculations#10
jvcarag wants to merge 2 commits into
mainfrom
vc/PSHExistingPSHDataUpdate

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@jvcarag jvcarag commented Jun 18, 2026

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Summary

This PR updates the procedure in the psh subdirectory for calculating existing site pumped-storage hydropower (PSH) data to use input data sourced from Oak Ridge National Laboratory (ORNL) instead of data from the International Hydropower Association (IHA).

Technical details

The input data file was acquired by contacting the ORNL HydroSource team: details of the data are outlined in the 2021 U.S. Hydropower Market Report.

This data was selected for its updated, comprehensive list of existing and operating PSH units in the U.S. It replaces data sourced from the IHA, because the latter includes non-operating units at various stages of construction/cancellation.

Implementation notes

  • Input file containing IHA-sourced data is removed and replaced with a file sourced from the ORNL HydroSource team
  • calculate_existing_psh_capacities.py is updated to process new input file

Issues resolved

  • Output file cap_existing_psh.csv now only contains data from existing and operating PSH units

Relevant sources or documentation

2021 U.S. Hydropower Market Report:
https://www.energy.gov/sites/prod/files/2021/01/f82/us-hydropower-market-report-full-2021.pdf

Additional details

…ed data, add ORNL-sourced data file, and remove IHA-sourced data file
@jvcarag jvcarag changed the title [DATA UPDATE] Use ORNL-sourced Data for Existing Site PSH Calculations [DATA UPDATE] Use Sourced Data for Existing Site PSH Calculations Jun 18, 2026
@jvcarag jvcarag requested a review from stuartcohen8 June 18, 2026 20:33
@jvcarag

jvcarag commented Jun 18, 2026

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Tagging @kodiobika for visibility

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