D35 · Electricity and Gas Utilities · United States

Pumped storage capacity under development

United States: 60 GW in as of 24 Jun 2026.

  • 60 GW Latest · United States · as of 24 Jun 2026
  • Irregular Release cadence
  • 1 Record · 1 region · 2026

Verified 17 Sep 2026 · 1 publisher

The figure

One published observation so far. A chart follows as soon as a second period is published.

Fig 1 · D35 · 1 regionIrregular

Pumped storage capacity under development

United States, as of 24 Jun 2026

1 observation
60 GW United States · as of 24 Jun 2026 · IHA · full record
Source: IHA · CC BY 4.0 · statorigin.org

Every record

1 record · 1 region · 2026. Each period links to its record: the value, its source evidence and original document.

Pumped storage capacity under development: every record, grouped by region, newest first.
Period Value Source Type
United States 1 record
as of 24 Jun 2026 60 GW IHA · 24 Jun 2026

Download this data

Every file carries its provenance: the CSV has a source column per row, and the chart images print the publisher, the licence and this page's address under the drawing. Source: IHA. Licence: CC BY 4.0.

Use and publication rights

  • View, cite and link: free

    Quote any number, cite this page or a single record, and link to it anywhere.

  • Copy, chart and republish: free with attribution

    The data is published under CC BY 4.0, commercial use included. Credit StatOrigin and the original publisher (IHA); the chart files already carry that line.

  • The source documents: the publisher's terms

    Figures are facts read from the publishers' own documents. The documents themselves, their text and design, stay under each publisher's terms; follow the source links for those.

How this measure is built

Definition
Pumped-storage hydropower capacity across all stages of project development, not yet commissioned.
Measure
One slice of Electricity capacity ( counting rule: under development, form: level, segment: pumped storage ) . Maximum electrical output capacity of power installations. Region and period are columns on every record, not slices.
Limitations
Values are shown as published; StatOrigin does not revise, fill gaps or convert currencies.
Verification
Each value, unit, period and place was checked against its source evidence before publication. See the methodology and the corrections process.

Sources · 1 document

Document Publisher Published Data points
World Hydropower Outlook launches The year of the ‘water battery’ IHA — 1

Other slices of electricity capacity

Frequently asked questions

What is the latest pumped storage capacity under development?

United States: 60 GW in as of 24 Jun 2026.

Where does this data come from?

From 1 document published by IHA. Every figure on this page links to its record, which preserves the original source evidence.

How often is it updated?

Irregularly: the publishers behind this measure do not release it on a fixed schedule. A new figure appears here once it is published and verified.

Can I use this data?

Yes. StatOrigin publishes it under CC BY 4.0: you may copy, chart and republish it, including commercially, with attribution to StatOrigin and to the original publisher.

Cite this page

Cite the page as a data set, or open any record to cite one figure: each record carries APA, MLA, Chicago and BibTeX forms that credit the original publisher.

StatOrigin. (2026). Pumped storage capacity under development [Data set]. Retrieved October 28, 2026, from https://statorigin.org/indicators/pumped-storage-capacity-under-development

"Pumped storage capacity under development." StatOrigin, 2026, https://statorigin.org/indicators/pumped-storage-capacity-under-development. Accessed 28 Oct. 2026.

StatOrigin. "Pumped storage capacity under development." Data set, 2026. Accessed October 28, 2026. https://statorigin.org/indicators/pumped-storage-capacity-under-development.

@misc{statorigin_pumped_storage_capacity_under_development_2026, title = {Pumped storage capacity under development}, author = {{StatOrigin}}, year = {2026}, url = {https://statorigin.org/indicators/pumped-storage-capacity-under-development}, note = {Data set. Accessed 2026-10-28} }