Diligence memo · auto-generated · as of July 2, 2026

Pinnacle West Capital Corp

Pinnacle West Capital Corp has raised $129M over 3 rounds; too few niche peers to rank its valuation yet.

DeprioritizeFinancing has gone silent well past the sector's normal cadence — treat as inactive until outside confirmation of a live operation.

Businessfiled

Pinnacle West Capital Corp operates in Electric Utilities, based in PHOENIX.

No verified homepage on file yet — operating evidence is limited to the public record.

Capital & rounds (filed)filed

Pinnacle West Capital Corp has raised $129M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).

Largest single filing: $94M on 2001-05-01.

Most recent recorded round closed around 2001-05-01.

Valuation (modeled)modeled

Provath models Pinnacle West Capital Corp at approximately $720M (range $306M–$1.9B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Too few comparable companies in this niche to rank the valuation fairly yet.

Financing rhythm & timingmixed

Last raise 25.2 yr ago; this sector typically re-raises about every 10 months.

Silent for over 3× the sector's normal cadence.

The last round stepped up 1.4× from the prior — scaling.

Comparablesmixed

Capital scale ranks ahead of 86% of Electric Utilities peers (133 compared).

Modeled value ranks above 86% of those peers.

Peoplefiled

24 named people on file across officers, directors and signatories.

Risks & flagsmixed

Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.

No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.