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Variable Interest Entities (Tables) | 12 Months Ended
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Dec. 31, 2024
Variable Interest Entities [Abstract] |
Schedule of Variable Interest Entities | Presented in the following table is information about the VIEs NorthStar Clean Energy consolidates:
Consolidated VIE | NorthStar Clean Energy’s ownership interest | Description of VIE
Aviator Wind Equity Holdings | 51‑percent ownership interest 1 | Holds a Class B membership interest in Aviator Wind
Aviator Wind | Class B membership interest 2 | Holding company of a 525‑MW wind generation project in Coke County, Texas
Newport Solar Holdings | Class B membership interest 2 | Holding company of a 180‑MW solar generation project in Jackson County, Arkansas
NWO Holdco | Class B membership interest 2 | Holding company of a 100‑MW wind generation project in Paulding County, Ohio
1 The remaining 49‑percent interest is presented as noncontrolling interest on CMS Energy’s consolidated balance sheets. 2 The Class A membership interest in the entity is held by a tax equity investor and is presented as noncontrolling interest on CMS Energy’s consolidated balance sheets. Under the associated limited liability company agreement, the tax equity investor is guaranteed preferred returns from the entity. Presented in the following table are the carrying values of the VIEs’ assets and liabilities included on CMS Energy’s consolidated balance sheets:
In Millions
December 31 | 2024 | 2023
Current |  |  |  |
Cash and cash equivalents |  | $ | 18 |  |  | $ | 28 |
Accounts receivable |  | 4 |  |  | 3 |
Prepayments and other current assets |  | 3 |  |  | 4 |
Non-current |  |  |  |
Plant, property, and equipment, net |  | 1,024 |  |  | 1,064 |
Other non-current assets |  | 3 |  |  | 3 |
Total assets 1 |  | $ | 1,052 |  |  | $ | 1,102 |
Current |  |  |  |
Accounts payable |  | $ | 8 |  |  | $ | 12 |
Non-current |  |  |  |
Non-current portion of finance leases |  | 23 |  |  | 23 |
Asset retirement obligations |  | 33 |  |  | 32 |
Total liabilities |  | $ | 64 |  |  | $ | 67 |
1 Assets may be used only to meet VIEs’ obligations and commitments. Presented in the following table is information about these partnerships:
Name | Nature of the Entity | Nature of NorthStar Clean Energy’s Involvement
T.E.S. Filer City | Coal-fueled power generator | Long-term PPA between partnership and Consumers
Employee assignment agreement
Grayling | Wood waste-fueled power generator | Long-term PPA between partnership and Consumers
Reduced dispatch agreement with Consumers 1
Operating and management contract
Genesee | Wood waste-fueled power generator | Long-term PPA between partnership and Consumers
Reduced dispatch agreement with Consumers 1
Operating and management contract
Craven | Wood waste-fueled power generator | Operating and management contract
1 Reduced dispatch agreements allow the facilities to be dispatched based on the market price of power compared with the cost of production of the plants. This results in fuel cost savings that each partnership shares with Consumers’ customers.

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- Definition Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-5A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-9 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-4 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481203/810-10-50-6 + Details
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