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About Pinnacle West Capital Corporation (PNW)

Pinnacle West Capital Corporation, through its subsidiary, provides retail and wholesale electric services primarily in the state of Arizona. The company engages in the generation, transmission, and distribution of electricity using nuclear, gas, oil, coal, and solar generating facilities. Its transmission facilities include overhead lines and underground lines; and distribution facilities consist of overhead lines and underground primary cables. The company also owns and maintains transmission and distribution substations; and owns energy storage facilities. Pinnacle West Capital Corporation was incorporated in 1985 and is headquartered in Phoenix, Arizona.

Ticker
PNW
Exchange
XNYS
Sector
Utilities
Industry
Utilities - Regulated Electric

Company profile updated October 14, 2026.

Stored market snapshot

As of October 12, 2026. Daily closing data may differ from the live quote shown in the dashboard.

Stored daily close (USD)
$99.91
Company market capitalization (USD)
$12,108,815,648.94
Price / earnings (TTM)
18.6×

Research PNW

Compare the company’s price history and fundamentals in the dashboard. Explore disclosed trading and ownership activity in these research collections: