Modernizing Integrated Resource Planning. Jeffrey Ackermann, Chair Colorado Public Utilities Commission

Transcription

1 Modernizing Integrated Resource Planning Jeffrey Ackermann, Chair Colorado Public Utilities Commission 1

2 2 Disclaimers (they re everywhere)

3 * * Proceeding 16A-0396E; Public Service 2017 All-Source solicitation 120-Day Repot; public version 3

4 Bid Pricing in the ERP/CEP* * Proceeding 16A-0396E; public version of filed data 4

5 CEP Stipulation Provisions Voluntary retire 660 MW coal gen: Comanche 1 (end of 2022) Comanche 2 (end of 2025) Revised demand forecast need: include at least Comanche 1 replacement capacity Public Service (Xcel) ownership targets: 50% of nameplate capacity of all eligible energy (i.e., renewable) resources 75% of nameplate capacity of all dispatchable and semi-dispatchable resources Portfolio performance targets: Separate proceeding for accelerated depreciation of Comanche 1&2 reduce RESA collections from the present 2 % to ~ 1 % establish a regulatory asset for the accelerated depreciation use the dollars that otherwise would have been collected through the RESA to offset payments for that regulatory asset Other provisions related to cost recovery, performance metric for owned-wind and CPCNs CEP vs. ERP CEP vs. Reduced utility ownership 5

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7 HOUSE BILL BY REPRESENTATIVE(S) Hansen and Becker J., Arndt, Becker K., Bridges, Esgar, Ginal, Gray, Hamner, Kennedy, Kraft-Tharp, Lee, Lewis, Liston, Lontine, McLachlan, Melton, Michaelson Jenet, Pettersen, Roberts, Rosenthal, Valdez, Weissman, Wilson, Young, Duran, Coleman, Jackson, Winter; also SENATOR(S) Tate, Crowder, Fenberg, Jahn, Kefalas, Martinez Humenik, Priola. CONCERNING ENERGY STORAGE, AND, IN CONNECTION THEREWTH, REQUIRING THE PUBLIC UTILITIES COMMISSION TO ESTABLISH MECHANISMS FOR INVESTOR- OWNED ELECTRlC UTILITIES TO PROCURE ENERGY STORAGE SYSTEMS IF CERTAIN CRITERIA ARE SATISFIED. Be it enacted by the General Assembly of the State of Colorado: Act". SECTION 1. Short title. The short title of this act is the "Energy Storage Procurement SECTION 2. In Colorado Revised Statutes, add part 2 to article 2 of title 40 as follows: PART 2 ENERGY STORAGE SYSTEMS Capitalletters or bold & italic numbers indicate new material added to existing statutes; dashes through words indicate deletionsfrom existing statutes and such material not part of act.

8 EVRAZ Contracts Attachment AKJ-3 Page 1 of 1 Payment to Solar Developer Solar Developer PPA Price Assign Purchase Obligation to Affiliate PSCo Affiliate Net Metering Sale PPA Price EVRAZ Net Metering Contractual Arrangement PPA with Developer PSCo Transfer Solar Cost to Clearinghouse Transfer to Clearinghouse: (1) Fully Allocated System Costs (2) Revenues received from EVRAZ Assign Obligation to Pay Affiliate to PSCo Clearing house [Solar Cost + Fully Allocated System Costs] EVRAZ Revenues PSCo Shareholder Utility Services & Statutory Contract PSCo Statutory Contract Rate EVRAZ Payment to PSCo for Statutory Contract 8

9 EVRAZ Statutory Contract (pursuant to , C.R.S.) PSCo, through an unregulated affiliate, will enter into a PPA for a 240 MW solar facility and make those PPA payments The solar facility will be interconnected as a net-metered resource for EVRAZ EVRAZ will pay PSCo the statutory contract rate (cents/kwh) for all electricity use PSCo will calculate a shadow bill for EVRAZ equal to the current applicable tariff (Demand/Energy) rate for EVRAZ, as a net-metered customer The Clearinghouse function will assure that the fully-allocated system costs for EVRAZ are covered (and assigned as appropriate in any rate case) To the extent that revenues from the Statutory contact exceed the PPA cost plus the fully allocated system costs for EVRAZ, shareholders benefit. To the extent that they do not, shareholders will pay to make up the difference. 9

10 QUESTIONS? www. colorado.gov/dora/puc 10