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Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Minimum rental commitments under land use agreements

The total minimum rental commitments at September 30, 2015 under these land use agreements are as follows:



	Land Use Commitments
	(millions)
Remainder of 2015	$	2
2016	6
2017	6
2018	6
2019	6
2020	7
Thereafter	176
Total minimum land use payments	$	209

Schedule of the purpose and amounts of contemplated letters of credit

The purpose and amounts of letters of credit outstanding as of September 30, 2015 are as follows:



LOC Facility Purpose	Amount		Outstanding Dates
	(millions)
PPA security	$	25	September 2011 - Maturity
Large generator interconnection agreement obligations	8		September 2011 - Maturity
O&M reserve	10		December 2013 - Maturity
Debt service reserve	35		August 2014 - Maturity
Total	$	78

- Definition

Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.

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