This edition covers news about requests for proposals for the purchase or sale of power through May 15. If you would like to have an RFP listed in this feature, please contact SNL Energy with your information by sending an email to energynews@snl.com.

New RFPs

* Arizona Public Service Co. has issued a request for proposals for approximately 400 MW to 800 MW of capacity to meet peak demand beginning in 2021, particularly during the months of June through September. The request confidentiality agreements are due June 8. Separately, the Pinnacle West Capital Corp. subsidiary issued a request for proposals for forest bioenergy resources that will start delivery in 2020 or later.

* New York state has issued a request for proposals for up to 20 large-scale renewable projects to be built by 2022 that will be capable of generating 1.5 million MWh of electricity a year.

* Liberty Utilities (Granite State Electric) Corp., which does business as Liberty Utilities, is seeking supply proposals for firm, load-following power to meet its default service requirements in New Hampshire. The Algonquin Power & Utilities Corp. subsidiary is also soliciting proposals for the supply of NEPOOL-general information system certificates, or renewable energy certificates, to comply with New Hampshire's electric renewable portfolio standard for the 2017 and 2018 periods.

* Massachusetts Electric Co. and Nantucket Electric Co., which both do business as National Grid, are soliciting proposals to provide default service to customers in Massachusetts. The National Grid USA subsidiaries will accept respondent proposal information until 5 p.m. ET on May 25.

* The borough of Chambersburg, Pa., is seeking proposals for certain energy products for delivery to the APS Zone and PJM Western Hub. Proposals are due by noon on May 22.

Deadline

* Central Virginia Electric Cooperative sought indicative bids for block energy products to serve its energy requirements. Proposals were due April 26.

Looking forward

* Portland General Electric Co. issued a draft request for proposals to acquire approximately 100 average MW of long-term renewable energy supply, bundled with associated renewable energy credits. The RFP is subject to the approval of the Oregon Public Utility Commission.