Contingencies And Commitments (Tables)

9 Months Ended

Sep. 30, 2020

Site Contingency [Line Items]

Guarantees

Presented in the following table are CMS Energy’s and Consumers’ guarantees at September 30, 2020:

In Millions
Guarantee Description	Issue Date	Expiration Date	Maximum Obligation			Carrying Amount
CMS Energy, including Consumers
Indemnity obligations from stock and asset sale agreements¹	various	indefinite		$	153		$	2
Guarantee²	July 2011	indefinite		30			—
Consumers
Guarantee²	July 2011	indefinite		$	30		$	—

¹  These obligations arose from stock and asset sale agreements under which CMS Energy or a subsidiary of CMS Energy indemnified the purchaser for losses resulting from various matters, primarily claims related to taxes. The maximum obligation amount is mostly related to the Equatorial Guinea tax claim discussed in the CMS Energy Contingencies section of this Note. CMS Energy believes the likelihood of material loss to be remote for the indemnity obligations not recorded as liabilities.

² 

This obligation comprises a guarantee provided by Consumers to the U.S. Department of Energy in connection with a settlement agreement regarding damages resulting from the department’s failure to accept spent nuclear fuel from nuclear power plants formerly owned by Consumers.

Consumers Energy Company

Site Contingency [Line Items]

Guarantees

Presented in the following table are CMS Energy’s and Consumers’ guarantees at September 30, 2020:

In Millions
Guarantee Description	Issue Date	Expiration Date	Maximum Obligation			Carrying Amount
CMS Energy, including Consumers
Indemnity obligations from stock and asset sale agreements¹	various	indefinite		$	153		$	2
Guarantee²	July 2011	indefinite		30			—
Consumers
Guarantee²	July 2011	indefinite		$	30		$	—

¹  These obligations arose from stock and asset sale agreements under which CMS Energy or a subsidiary of CMS Energy indemnified the purchaser for losses resulting from various matters, primarily claims related to taxes. The maximum obligation amount is mostly related to the Equatorial Guinea tax claim discussed in the CMS Energy Contingencies section of this Note. CMS Energy believes the likelihood of material loss to be remote for the indemnity obligations not recorded as liabilities.

²  This obligation comprises a guarantee provided by Consumers to the U.S. Department of Energy in connection with a settlement agreement regarding damages resulting from the department’s failure to accept spent nuclear fuel from nuclear power plants formerly owned by Consumers.

Bay Harbor

Site Contingency [Line Items]

Expected Remediation Costs By Year

. CMS Energy expects to pay the following amounts for long‑term leachate disposal and operating and maintenance costs during the remainder of 2020 and in each of the next five years:

In Millions
	2020			2021			2022			2023			2024			2025
CMS Energy
Long‑term leachate disposal and operating and maintenance costs		$	1		$	4		$	4		$	4		$	4		$	4

Gas Utility | Manufactured Gas Plant | Consumers Energy Company

Site Contingency [Line Items]

Expected Remediation Costs By Year

. Consumers expects to pay the following amounts for remediation and other response activity costs during the remainder of 2020 and in each of the next five years:

In Millions
	2020			2021			2022			2023			2024			2025
Consumers
Remediation and other response activity costs		$	1		$	2		$	8		$	23		$	10		$	1