WaitingForPower
generation · Solar

THREE SISTERS Solar Generation and BESS (Unit THSI2)

Pinal, AZ

Developer: THSI bn, LLC (IPP Non-CHP)

Capacity
300 MW
Waiting
Stage
Regulatory approvals pending
Verification
Verified (primary source)
Grid region
AZPS
Equipment
Photovoltaic
Expected online
Apr 2029*

* Approximate / developer-estimated date, not a firm commitment.

Estimated investment waiting

$398.1M

300,000 kW × $1,327/kW typical overnight construction cost (EIA) — the dollar value of the power plant itself sitting in permitting limbo, not a bill estimate. Full methodology.

Location

32.0537, -109.8230 — see the map for this project in context with others.

Public Hearings

Unknown

Hearing details: Unknown

Not available from this project’s data source yet. Check the sources below directly.

Sources

Data quality note: No application-filed date is published by EIA-860M, so days/years waiting cannot be computed until one is added via manual override — only a planned operation date (4/2029) is available.