CapexCue · Public evidence · Printed 11 Nov 2026

Bigstone Pumped Storage hydroelectric plant

United States · Energy

Source overview Release 1

Project scope

hydropower; the single native unit/phase at this GEM facility. Retained August 2026 dataset; current status, greenfield/replacement context and buying availability have not been rechecked.

Reported status and procurement

Reported development

pre-construction

unknown

Procurement availability

Unknown / not established

A source report alone does not establish current progress or an open buying window.

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Project metadata

Country: United States
Source-reported country
Region: North America
Category: Energy
Source-reported classification
Physical assets: Not classified

Based on this release's supporting evidence. Unresolved fields remain unclassified; these labels do not establish current progress or a buying window.

Released facts and supporting evidence

Each fact retains its source, uncertainty and time context. If a publisher page moves or is unavailable, use the recorded quotation and observation date below.

Project name

Source reported

Bigstone Pumped Storage hydroelectric plant

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. CC BY 4.0. CapexCue selected and reformatted the source facts. Current project status has not been rechecked. No endorsement is implied.

Technical record · Bigstone Pumped Storage hydroelectric plant

Statement: 57a59ca1-4dd3-4aa7-9dd1-88f596f12744

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Owner

Source reported

Energy Recycling Company LLC

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · Energy Recycling Company LLC

Statement: 3961ad88-5e65-42ab-9ca1-03659f2d2e77

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Scope

Source reported

hydropower; the single native unit/phase at this GEM facility. Retained August 2026 dataset; current status, greenfield/replacement context and buying availability have not been rechecked.

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · hydropower; the single native unit/phase at this GEM …

Statement: 301531c6-e41b-4ca6-a4e7-f294ef75fd60

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Country

Source reported

United States

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · United States

Statement: 8eb1cf4b-8d87-42da-9db4-dec0be3b9b83

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Project ecology

Source reported

energy

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · energy

Statement: 4b1b66ae-de57-4132-9bf8-fbfc5a713f8f

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Capacity

Source reported

666 MW

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Physical scope: Single-unit GEM facility L100000604177; native unit/phase G100000604255.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · 666 MW

Statement: 02e9d3d2-c66d-4b30-ab4b-2678e392c921

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Delivery

Source reported

pre-construction

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

The source did not state a date for this value.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · pre-construction

Statement: cccf839b-7a2e-4e40-84f6-630a6329c865

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Location

Source reported

Milbank, Grant County, South Dakota

Attributed to Global Energy Monitor, Global Integrated Power Tracker, August 2026 release..

Source: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release. · publication date not recorded · observed 2026-11-04

Sources and evidence · Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Attribution: Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Global Energy Monitor, Global Integrated Power Tracker, August 2026 release.

Source published: Not disclosed
Evidence observed: 2026-11-04

Technical record · Milbank, Grant County, South Dakota

Statement: beac524a-d87a-4e16-953b-cb2564c66129

Source revision: 8acf8e9c-6263-433d-8b4e-829a7f4121f7
Fingerprint: a4f0614e33c542e8c6a795ce76f21a4b8e1aa2d1c8b001769511f1fcee200436

Source support and qualifications are retained. No numeric confidence score is substituted for evidence review.

Source report history

Prior and superseded states remain labelled. Dates below identify source publication when known, otherwise source observation. They are not assumed event dates; each fact retains its own time qualifications.

No material timeline events have been released.

Organizations and roles

No structured organization roles are recorded yet. Names may appear in the published facts below.

Research coverage

Initial project information from published sources.

Evidence and updates

Overview depth and evidence gaps

This overview presents supported project scope and source-reported information. Further research can add detail on:

Supplier-specific buying responsibility and equipment timing require separate assessment.

Oldest supporting observation: 2026-11-04 · newest supporting observation: 2026-11-04. Review time does not freshen source evidence.

Source, observation and release dates · structured source date unavailable

Source report dates: Structured source date unavailable · 1 source revision without a structured report date
Source captured: 4 Nov 2026
Dossier released: 4 Nov 2026

Source event/report wording remains with each fact. Capture and release dates do not establish a new project event.

How to read evidence limits

“Not observed” means no supporting evidence in this release, not that the event did not happen.

Dossier updates

These are CapexCue's recorded public dossier releases, not project event dates. Up to 20 releases are listed.

First recorded dossier release. This does not establish that the project is new or unchanged.

Release 1 · dossier released 04 Nov 2026, 07:21 UTC

Release and method

Oldest supporting observation: 2026-11-04
Dossier released: 04 Nov 2026, 07:21 UTC
Method: Versioned source, claim and public-policy decisions

Publication policy

corpus-publication-v1 · overview-v1

Stable project reference: cfb87c2b-b16f-52bf-a0c6-cbc0a0eccd48

Read methodology Suggest a correction

Share the current dossier link, or cite this release.

Link and citation for manual copying

Current dossier link

Citation for this releaseCapexCue — Bigstone Pumped Storage hydroelectric plant — dossier released 2026-11-04T07:21:18.260482+00:00, release 1 (0b413774-0ae8-43c7-8111-80296e5fd3be) — https://capexcue.com/projects/bigstone-pumped-storage-hydroelectric-plant/.

The link opens the current dossier. The citation identifies release 1; it is not a permanent revision link.

Data and exports

These files include the released public facts, qualifications, source references and CapexCue citation.

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