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Regulatory Assets and Liabilities (Tables)
 12 Months Ended
Dec. 31, 2023
Regulatory Assets and Liabilities [Line Items]  
Schedule of Regulatory Assets
The following table summarizes Cleco’s net regulatory assets and liabilities:

Cleco
AT DEC. 31,
(THOUSANDS)20232022
Total Cleco Power regulatory assets, net
$454,213 $436,448 
2016 Merger adjustments (1)
Fair value of long-term debt97,345 104,748 
Postretirement costs9,448 11,436 
Financing costs6,560 6,904 
Debt issuance costs4,254 4,587 
Total Cleco regulatory assets, net$571,820 $564,123 
(1) Cleco regulatory assets include acquisition accounting adjustments as a result of the 2016 Merger.
Schedule of Regulatory Liabilities
The following table summarizes Cleco’s net regulatory assets and liabilities:

Cleco
AT DEC. 31,
(THOUSANDS)20232022
Total Cleco Power regulatory assets, net
$454,213 $436,448 
2016 Merger adjustments (1)
Fair value of long-term debt97,345 104,748 
Postretirement costs9,448 11,436 
Financing costs6,560 6,904 
Debt issuance costs4,254 4,587 
Total Cleco regulatory assets, net$571,820 $564,123 
(1) Cleco regulatory assets include acquisition accounting adjustments as a result of the 2016 Merger.
CLECO POWER  
Regulatory Assets and Liabilities [Line Items]  
Schedule of Regulatory Assets
The following table summarizes Cleco Power’s regulatory assets and liabilities:

Cleco Power
AT DEC. 31,
REMAINING
RECOVERY PERIOD (YRS.)
(THOUSANDS)20232022
Regulatory assets
Acadia Unit 1 acquisition costs$1,701 $1,807 16
Accumulated deferred fuel (1)
11,627 57,881 Various
(9)
Affordability study10,337 11,715 7.5
AFUDC equity gross-up 60,381 63,477 Various
(2)
AMI deferred revenue requirement
954 1,499 2.25
AROs (8)
20,094 17,218 
Bayou Vista to Segura transmission project deferred revenue requirement— 2,510 
Coughlin transaction costs784 815 25.5
COVID-19 executive order (8)
3,039 2,953 
Deferred lignite and mine closure costs (7)
136,076 133,587 
Deferred storm restoration costs - Hurricane Delta (6)
88 109 
Deferred storm restoration costs - Hurricane Ida
— 9,409 
Deferred storm restoration costs - Hurricane Laura (6)
367 457 
Deferred storm restoration costs - Hurricane Zeta (6)
7 9 
Deferred taxes, net
43,866 8,803 Various
(9)
Dolet Hills Power Station closure costs (7)
147,323 147,082 
Energy efficiency— 235 
Financing costs (1)
6,087 6,456 Various
(3)
Interest costs2,961 3,210 Various
(2)
Madison Unit 3 property taxes13,297 13,038 Various
(9)
Non-service cost of postretirement benefits
14,526 14,810 Various
(2)
Other10,483 14,114 Various
(9)
Postretirement costs64,399 47,317 Various
(4)
Production operations and maintenance expenses
7,002 10,443 Various
(5)
Rodemacher Unit 2 deferred costs (8)
19,282 12,645 
St. Mary Clean Energy Center3,705 4,350 1.5
Training costs5,618 5,774 36
Tree trimming costs3,657 6,377 1.25
Total regulatory assets587,661 598,100 
Regulatory liabilities
Deferred taxes, net(21,939)(42,890)Various
(9)
Storm reserves(111,509)(118,762)
Total regulatory liabilities(133,448)(161,652)
Total regulatory assets, net$454,213 $436,448  
(1) Represents regulatory assets for past expenditures that were not earning a return on investment at December 31, 2023, and 2022, respectively. All other assets are earning a return on investment.
(2) Amortized over the estimated lives of the respective assets.
(3) Amortized over the terms of the related debt issuances.
(4) Amortized over the average service life of the remaining plan participants.
(5) Deferral is recovered over the following three-year regulatory period.
(6) From June 1, 2021, through August 31, 2022, these were being recovered through the interim storm recovery rate. The storm recovery surcharge became effective on September 1, 2022.
(7) Currently not in a recovery period. The balance remaining represents amounts under prudency review by the LPSC.
(8) Currently not in a recovery period.
(9) For more information on the remaining recovery period, refer to the following disclosures for each specific regulatory asset or liability.
Schedule of Regulatory Liabilities
The following table summarizes Cleco Power’s regulatory assets and liabilities:

Cleco Power
AT DEC. 31,
REMAINING
RECOVERY PERIOD (YRS.)
(THOUSANDS)20232022
Regulatory assets
Acadia Unit 1 acquisition costs$1,701 $1,807 16
Accumulated deferred fuel (1)
11,627 57,881 Various
(9)
Affordability study10,337 11,715 7.5
AFUDC equity gross-up 60,381 63,477 Various
(2)
AMI deferred revenue requirement
954 1,499 2.25
AROs (8)
20,094 17,218 
Bayou Vista to Segura transmission project deferred revenue requirement— 2,510 
Coughlin transaction costs784 815 25.5
COVID-19 executive order (8)
3,039 2,953 
Deferred lignite and mine closure costs (7)
136,076 133,587 
Deferred storm restoration costs - Hurricane Delta (6)
88 109 
Deferred storm restoration costs - Hurricane Ida
— 9,409 
Deferred storm restoration costs - Hurricane Laura (6)
367 457 
Deferred storm restoration costs - Hurricane Zeta (6)
7 9 
Deferred taxes, net
43,866 8,803 Various
(9)
Dolet Hills Power Station closure costs (7)
147,323 147,082 
Energy efficiency— 235 
Financing costs (1)
6,087 6,456 Various
(3)
Interest costs2,961 3,210 Various
(2)
Madison Unit 3 property taxes13,297 13,038 Various
(9)
Non-service cost of postretirement benefits
14,526 14,810 Various
(2)
Other10,483 14,114 Various
(9)
Postretirement costs64,399 47,317 Various
(4)
Production operations and maintenance expenses
7,002 10,443 Various
(5)
Rodemacher Unit 2 deferred costs (8)
19,282 12,645 
St. Mary Clean Energy Center3,705 4,350 1.5
Training costs5,618 5,774 36
Tree trimming costs3,657 6,377 1.25
Total regulatory assets587,661 598,100 
Regulatory liabilities
Deferred taxes, net(21,939)(42,890)Various
(9)
Storm reserves(111,509)(118,762)
Total regulatory liabilities(133,448)(161,652)
Total regulatory assets, net$454,213 $436,448  
(1) Represents regulatory assets for past expenditures that were not earning a return on investment at December 31, 2023, and 2022, respectively. All other assets are earning a return on investment.
(2) Amortized over the estimated lives of the respective assets.
(3) Amortized over the terms of the related debt issuances.
(4) Amortized over the average service life of the remaining plan participants.
(5) Deferral is recovered over the following three-year regulatory period.
(6) From June 1, 2021, through August 31, 2022, these were being recovered through the interim storm recovery rate. The storm recovery surcharge became effective on September 1, 2022.
(7) Currently not in a recovery period. The balance remaining represents amounts under prudency review by the LPSC.
(8) Currently not in a recovery period.
(9) For more information on the remaining recovery period, refer to the following disclosures for each specific regulatory asset or liability.