Idaho Power Company Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net income	$ 48,268	$ 56,024
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	55,174	46,409
Deferred income taxes and investment tax credits	(18,776)	(7,854)
Changes in regulatory assets and liabilities	32,930	(56,396)
Pension and postretirement benefit plan expense	11,350	6,885
Contributions to pension and postretirement benefit plans	(1,176)	(1,308)
Earnings of unconsolidated equity-method investments	(625)	(2,454)
Distributions from equity-method investments	6,250	400
Allowance for equity funds used during construction	(11,152)	(9,908)
Other non-cash adjustments to net income, net	2,670	2,492
Change in:
Accounts receivable and unbilled revenues	33,251	(10,750)
Prepayments	1,796	4,363
Materials, supplies, and fuel stock	(19,807)	(13,531)
Accounts and wages payable	(62,201)	(112,468)
Taxes accrued/receivable	19,645	22,968
Other assets and liabilities	12,088	(15,271)
Net cash provided by (used in) operating activities	109,685	(90,399)
Investing Activities:
Additions to utility plant, net	(259,978)	(118,375)
Payments received from transmission project joint funding partners	20,375	3,123
Other	4,940	6,096
Net cash used in investing activities	(234,663)	(109,156)
Financing Activities:
Issuance of long-term debt	0	522,000
Discount on issuance of long-term debt	0	(3,772)
Retirement of long-term debt	0	100,000
Dividends on common stock	(42,742)	(40,502)
Other	(44)	5,330
Net cash (used in) provided by financing activities	(44,868)	379,801
Net (decrease) increase in cash and cash equivalents	(169,846)	180,246
Cash and cash equivalents at beginning of the period	327,429	177,577
Cash and cash equivalents at end of the period	157,583	357,823
Supplemental Disclosure of Cash Flow Information:
Interest (net of amount capitalized)	37,770	27,276
Non-cash investing activities:
Additions to property, plant and equipment in accounts payable	111,958	85,858
Idaho Power Company
Net income	47,302	55,710
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	55,022	46,262
Deferred income taxes and investment tax credits	(20,610)	(9,395)
Changes in regulatory assets and liabilities	32,930	(56,396)
Pension and postretirement benefit plan expense	11,350	6,885
Contributions to pension and postretirement benefit plans	(1,176)	(1,308)
Earnings of unconsolidated equity-method investments	(617)	(2,472)
Distributions from equity-method investments	6,250	400
Allowance for equity funds used during construction	(11,152)	(9,908)
Other non-cash adjustments to net income, net	(867)	(644)
Change in:
Accounts receivable and unbilled revenues	34,428	(10,196)
Prepayments	1,824	4,383
Materials, supplies, and fuel stock	(19,807)	(13,531)
Accounts and wages payable	(62,227)	(112,502)
Taxes accrued/receivable	22,392	24,664
Other assets and liabilities	12,247	(15,124)
Net cash provided by (used in) operating activities	107,289	(93,172)
Investing Activities:
Additions to utility plant, net	(259,972)	(118,375)
Payments received from transmission project joint funding partners	20,375	3,123
Other	5,799	6,388
Net cash used in investing activities	(233,798)	(108,864)
Financing Activities:
Issuance of long-term debt	0	522,000
Discount on issuance of long-term debt	0	(3,772)
Retirement of long-term debt	0	100,000
Dividends on common stock	(42,777)	(552)
Other	0	5,365
Net cash (used in) provided by financing activities	(42,777)	423,041
Net (decrease) increase in cash and cash equivalents	(169,286)	221,005
Cash and cash equivalents at beginning of the period	271,791	108,933
Cash and cash equivalents at end of the period	102,505	329,938
Supplemental Disclosure of Cash Flow Information:
Interest (net of amount capitalized)	37,687	27,195
Non-cash investing activities:
Additions to property, plant and equipment in accounts payable	$ 111,958	$ 85,858