Hardin power station system upgrades timeline
Company: Marathon Digital - Project: Hardin
The claim, verbatim
Planned system upgrades on Hardin, Montana power generating station beginning November 2021 and continuing into 2022, requiring approximately 3-5 days downtime per phase to improve efficacy, efficiency, safety and reduce unexpected downtime
Source (primary)
Marathon Digital 10-K filed 2022-03-10 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “To mitigate these issues in the future, system upgrades will be performed on the power generating station beginning in November 2021 and continuing into 2022. Each phase of this maintenance will require the plant, and therefore the Company's mining operations in Hardin, MT, to be offline for approximately three to five days.”
How we checked this
Checked on September 22, 2026. The cited source supports every part of this claim.
The document describes the Hardin power-station upgrade timeline, the three-to-five day per-phase downtime, and the stated goals.
Confirmed in the source:
- system upgrades on the Hardin power generating station will begin in November 2021 and continue into 2022
- each phase requires the plant and mining operations to be offline for approximately three to five days
- the upgrades are intended to improve efficacy, efficiency, safety, and reduce unexpected downtime
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1507605/000149315222006446/form10-k.htm) in full (385,382 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Marathon Digital 10-K filed 2022-03-10
Quote: “To mitigate these issues in the future, system upgrades will be performed on the power generating station beginning in November 2021 and continuing into 2022. Each phase of this maintenance will require the plant, and therefore the Company's mining operations in Hardin, MT, to be offline for approximately three to five days.”