Idacorp market cap IDA

Share price times shares outstanding: what the whole company sells for, since 2010.

Idacorp is worth $8.1B at the close on Oct 23, 2026, at $140.68 a share.

That is up 11% over the last year and up 54% over five years.

Its highest close in our data was $8.6B in Jul 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$8.1B	$6.9B	$8.6B	+19%
2025	$6.9B	$5.7B	$7.3B	+17%
2024	$5.8B	$4.4B	$6.3B	+17%
2023	$5B	$4.7B	$5.6B	−9%
2022	$5.5B	$4.8B	$5.9B	−5%
2021	$5.7B	$4.4B	$5.7B	+18%
2020	$4.8B	$3.8B	$5.7B	−10%
2019	$5.4B	$4.6B	$5.7B	+15%
2018	$4.7B	$4.1B	$5.1B	+1%
2017	$4.6B	$4B	$5B	+13%
2016	$4.1B	$3.3B	$4.1B	+19%
2015	$3.4B	$2.8B	$3.5B	+1%
2014	$3.4B	$2.6B	$3.4B	+30%
2013	$2.6B	$2.2B	$2.7B	+23%
2012	$2.1B	$1.9B	$2.2B	+1%
2011	$2.1B	$1.8B	$2.1B	+16%
2010	$1.8B	$1.7B	$1.8B	n/a

Companies in Regulated Electric nearest Idacorp's size, closest first, today.

Company	Market cap
IDAIdacorp	$8.1B
OGEOGE Energy	$10B
BKHBlack Hills	$6.1B
TXNMTXNM Energy	$6B
ORAOrmat Technologies	$5.4B
PORPortland General Electric	$5.2B
PNWPinnacle West Capital	$12.8B
NWENorthWestern Energy	$4.8B
OTTROtter Tail	$3.8B
LNTAlliant Energy	$18.1B
EVRGEvergy	$19.5B
Peer median	$6B