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AriSEIA Submits Letter Opposing APS RCP Step Down

7/8/2022

Arizona Corporation Commission
1200 W. Washington Street
Phoenix, AZ 85007

Re: Application of APS for Approval of Revised Resource Comparison Proxy, Docket No. E-01345A-22-0105

Madam Chair and Commissioners,

Vote Solar, Solar United Neighbors, and the Arizona Solar Energy Industries Association (AriSEIA) urge you to support Arizona families and businesses who continue to face challenging economic circumstances by delaying the proposed 10% step down of Arizona Public Service’s (APS) Resource Comparison Proxy (RCP) rate for at least one year. The RCP Plan of Administration[1] requires APS to submit an RCP export rate annually for Commission approval and specifies that the RCP “may not be reduced by more than 10% each year.”[2] The Commission has the opportunity to provide consumers looking to save money on their energy bill with relief by postponing the up to 10% step down of the RCP.

After several tumultuous years, Arizona families and businesses continue to face unusual economic challenges. Over the last year, consumers have experienced the largest increase in inflation rates in 40 years and a 36% increase in energy costs.[3] At the same time, manufacturing and supply chain issues are delaying delivery of solar panels and equipment and driving up prices, resulting in the highest prices for polysilicon since 2011.[4] As noted by APS in its Application, forecasted costs for grid-scale solar increased in 2022.[5] Rooftop solar is an important tool that ratepayers can utilize to help reduce their utility bills and increase energy resiliency at their home. As a result of these unprecedented hardships, many Arizona families and businesses hoping to go solar may find that, due to their own economic circumstances or market conditions beyond their control, it will be necessary to delay installing solar. If the RCP is adjusted downward by 10%, families and businesses who must wait until next year to install solar will see a significantly reduced return on their investment for 10 years.

At its current value of $0.09405 cents per kWh, the cost associated with APS’s RCP rate is already lower than other ratepayer expenditures on solar resources. For example, APS recently received approval for its 2022 REST plan which includes $20 to 30 million in annual spending on its utility-owned rooftop solar program, Solar Communities, the closest proxy for a distributed solar installation.[6] The cost of this program includes the capital cost of a rooftop solar installation, which may include recovery of the utilities’ approved rate of return, and a bill credit for participating customers. The cost of the Solar Communities program amounts to approximately $0.147 per kWh over the 20-year lifetime of a solar installation, well above the current RCP rate paid to solar customers.[7]

We respectfully request that the Commission reject the step down as proposed by APS and included within the Staff’s proposed order in an effort to support families and businesses facing challenging and unprecedented economic circumstances and provide them with an extended opportunity to capitalize on the power of the sun to reduce their energy bills. An amendment to the RCP step down is attached as Attachment A below.

Thank you for your consideration of this important matter.


Sincerely,
Autumn T. Johnson
Executive Director
Arizona Solar Energy Industries Association (AriSEIA)
This email address is being protected from spambots. You need JavaScript enabled to view it.
520-240-4757

Bret Fanshaw
Western Region Director
Solar United Neighbors (SUN)
This email address is being protected from spambots. You need JavaScript enabled to view it.
602-962-0240

Kate Bowman
Interior West Regulatory Director
Vote Solar
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703-674-8637

ATTACHMENT A

JOINT STAKEHOLDER PROPOSED AMENDMENT NO. 1

Purpose: This Amendment denies the step down authorized in the Decision to give property owners an additional year to install rooftop solar systems at the current export rate. The Commission recognizes that challenging and unforeseen economic circumstances experienced in the last few months may have forced many property owners who otherwise would have installed rooftop solar systems in 2022 to put plans on hold. The Commission also recognizes that the majority, if not the entirety, of the year 2022 will likely be characterized by supply chain disruptions, exorbitant inflation, and high energy costs, presenting reasonable grounds for the Commission to consider the year 2022 an exception to the standard RCP formula. Under this proposal, the Company will still be required to file an application for the step down in 2023.

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     This is your source for solar and renewable energy information in Arizona. Explore various technologies, including photovoltaics, solar water heating, solar architecture, solar cooking and wind power. Keep up to date on the latest industry news. Follow relevant lectures, expositions and tours. Whether you are a homeowner looking to become more energy efficient, a student learning the science behind the technologies or an industry professional, you will find valuable information here.
  • About The Arizona Solar Center

    About The Arizona Solar Center Arizona Solar Center Mission- The mission of the Arizona Solar Center is to enhance the utilization of renewable energy, educate Arizona's residents on solar technology developments, support commerce and industry in the development of solar and other sustainable technologies and coordinate these efforts throughout the state of Arizona. About the Arizona Solar Center- The Arizona Solar Center (AzSC) provides a broad-based understanding of solar energy, especially as it pertains to Arizona. Registered Read More
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