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Business Segment Information
 12 Months Ended
Dec. 31, 2023
Entity Information [Line Items]  
Business Segment Information BUSINESS SEGMENTS
IPALCO manages its business through one reportable operating segment, the Utility segment. The primary segment performance measure is income / (loss) from continuing operations before income tax as management has concluded that this measure best reflects the underlying business performance of IPALCO and is the most relevant measure considered in IPALCO's internal evaluation of the financial performance of its segment. The Utility segment is comprised of AES Indiana, a vertically integrated electric utility, with all other nonutility business activities aggregated separately. See Note 1, "Overview and Summary of Significant Accounting Policies" for further information on AES Indiana. The “Other” nonutility category primarily includes the 2024 IPALCO Notes and 2030 IPALCO Notes and related interest expense, balance associated with IPALCO's interest rate hedges, cash and other immaterial balances. The accounting policies of the identified segment are consistent with those policies and procedures described in the summary of significant accounting policies.
The following table provides information about IPALCO’s business segments (in thousands):
 202320222021
 UtilityOtherTotalUtilityOtherTotalUtilityOtherTotal
Revenue$1,649,917 $— $1,649,917 $1,791,711 $— $1,791,711 $1,426,132 $— $1,426,132 
Depreciation and amortization$287,863 $— $287,863 $266,504 $— $266,504 $256,085 $— $256,085 
Interest expense$99,051 $43,875 $142,926 $87,428 $43,804 $131,232 $84,256 $41,370 $125,626 
Income/(loss) before income tax$115,763 $(44,021)$71,742 $162,862 $(44,377)$118,485 $189,548 $(41,425)$148,123 
Capital expenditures(1)
$902,705 $— $902,705 $496,510 $— $496,510 $291,546 $— $291,546 
(1) Capital expenditures includes $0 thousand, $0 thousand and $36 thousand of payments for financed capital expenditures in 2023, 2022 and 2021, respectively.

As of December 31, 2023As of December 31, 2022As of December 31, 2021
Total assets$6,129,581 $51,942 $6,181,523 $5,559,977 $29,237 $5,589,214 $5,222,987 $16,780 $5,239,767 
Indianapolis Power And Light Company  
Entity Information [Line Items]  
Business Segment Information BUSINESS SEGMENTS
Operating segments are components of an enterprise that engage in business activities from which it may earn revenue and incur expenses, for which separate financial information is available, and is evaluated regularly by the chief operating decision maker in assessing performance and deciding how to allocate resources. All of AES Indiana’s current business consists of the generation, transmission, distribution and sale of electric energy, and therefore AES Indiana had only one reportable segment.