Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 176,508	$ 119,040
Restricted cash and cash equivalents	6,727	13,081
Customer accounts receivable (less allowance for doubtful accounts)	52,277	60,117
Other accounts receivable	22,680	30,806
Unbilled revenue	30,011	36,398
Fuel inventory, at average cost	73,215	87,520
Materials and supplies, at average cost	88,420	85,404
Energy risk management assets	4,828	7,396
Accumulated deferred fuel	23,053	13,980
Cash surrender value of company-/trust-owned life insurance policies	82,771	83,117
Prepayments	6,690	9,050
Regulatory assets	22,207	24,670
Other current assets	681	1,146
Total current assets	590,068	571,725
Property, plant, and equipment
Property, plant, and equipment	3,629,249	3,594,525
Accumulated depreciation	(221,941)	(192,348)
Net property, plant, and equipment	3,407,308	3,402,177
Construction work in progress	212,847	186,629
Total property, plant, and equipment, net	3,620,155	3,588,806
Equity investment in investee	18,172	18,172
Goodwill	1,490,797	1,490,797
Restricted cash and cash equivalents	19,327	20,081
Regulatory assets	425,041	432,358
Intangible assets	107,881	114,850
Other deferred charges	38,540	41,593
Total assets	6,309,981	6,278,382
Current liabilities
Long-term debt due within one year	19,875	19,193
Accounts payable	95,542	147,562
Customer deposits	59,765	58,582
Provision for rate refund	11,805	4,206
Taxes payable, net	34,264	22,698
Interest accrued	40,924	14,703
Deferred compensation	11,322	12,132
Other current liabilities	21,633	21,278
Total current liabilities	295,130	300,354
Long-term liabilities and deferred credits
Accumulated deferred federal and state income taxes, net	618,657	614,812
Postretirement benefit obligations	243,084	242,135
Regulatory liabilities - deferred taxes, net	138,329	140,426
Restricted storm reserve	14,705	14,469
Other deferred credits	38,251	33,724
Total long-term liabilities and deferred credits	1,053,026	1,045,566
Long-term debt, net	2,874,064	2,836,105
Total liabilities	4,222,220	4,182,025
Commitments and contingencies (Note 12)
Member’s equity
Membership interest	2,069,376	2,069,376
Retained earnings	21,263	29,902
Accumulated other comprehensive loss	(2,878)	(2,921)
Total member’s equity	2,087,761	2,096,357
Total liabilities and member’s equity	6,309,981	6,278,382
Cleco Power
Current assets
Cash and cash equivalents	128,182	69,816
Restricted cash and cash equivalents	6,727	13,081
Customer accounts receivable (less allowance for doubtful accounts)	52,277	60,117
Accounts receivable - affiliate	1,311	1,355
Other accounts receivable	22,278	30,680
Unbilled revenue	30,011	36,398
Fuel inventory, at average cost	73,215	87,520
Materials and supplies, at average cost	88,420	85,404
Energy risk management assets	4,828	7,396
Accumulated deferred fuel	23,053	13,980
Cash surrender value of company-/trust-owned life insurance policies	20,341	20,278
Prepayments	5,000	7,236
Regulatory assets	13,350	15,812
Other current assets	0	475
Total current assets	468,993	449,548
Property, plant, and equipment
Property, plant, and equipment	4,924,970	4,893,484
Accumulated depreciation	(1,737,911)	(1,712,590)
Net property, plant, and equipment	3,187,059	3,180,894
Construction work in progress	212,727	185,507
Total property, plant, and equipment, net	3,399,786	3,366,401
Equity investment in investee	18,172	18,172
Restricted cash and cash equivalents	19,306	20,060
Regulatory assets	252,889	257,408
Intangible assets	37,216	41,701
Other deferred charges	35,125	35,451
Total assets	4,231,487	4,188,741
Current liabilities
Long-term debt due within one year	19,875	19,193
Accounts payable	87,607	134,374
Accounts payable - affiliate	9,969	8,697
Customer deposits	59,765	58,582
Provision for rate refund	11,805	4,206
Taxes payable, net	45,197	31,611
Interest accrued	22,638	7,083
Other current liabilities	16,960	16,172
Total current liabilities	273,816	279,918
Long-term liabilities and deferred credits
Accumulated deferred federal and state income taxes, net	663,255	656,362
Postretirement benefit obligations	174,971	173,747
Regulatory liabilities - deferred taxes, net	138,329	140,426
Restricted storm reserve	14,705	14,469
Other deferred credits	36,022	31,665
Total long-term liabilities and deferred credits	1,027,282	1,016,669
Long-term debt, net	1,381,409	1,341,475
Total capitalization	2,930,389	2,892,154
Commitments and contingencies (Note 12)
Member’s equity
Total member’s equity	1,548,980	1,550,679
Total liabilities and member’s equity	$ 4,231,487	$ 4,188,741