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APS Wants a Rate Increase Again
There has been a lot of talk lately about APS filing for yet another rate increase, and many Arizonans are understandably frustrated. Each time rates go up, families and businesses feel the impact — and with no alternative electric provider to switch to, it can seem like there’s no choice but to just pay more. Some people believe the Arizona Corporation Commission (ACC) simply rubber stamps every increase, but that’s not the case. The process is lengthy and detailed, often taking one to two years from start to finish. Each step involves audits, hearings, and opportunities for public input to ensure that any approved rate changes are fair, justified, and in the public interest. Details of each step are outlined below.
Understanding the Process at the Arizona Corporation Commission
When an electric utility in Arizona wants to raise rates, it can’t just flip a switch. The process is deliberate, transparent, and heavily regulated by the Arizona Corporation Commission (ACC) — the elected five-member body responsible for balancing the needs of consumers with the financial stability of utilities that provide essential services.
Step 1: Filing the Application
A rate increase begins when a utility files a rate case with the Arizona Corporation Commission. This is a detailed legal and financial document that explains why the utility believes a rate hike is necessary. The company must provide extensive data on:
- Operating costs (fuel, labor, infrastructure maintenance)
- Investments in new equipment or technology
- Revenue requirements to ensure reliability and safety
- Return on investment (ROI) for shareholders
This filing can run thousands of pages, and it’s publicly available on the ACC’s website so that citizens, organizations, and local governments can review it.
Step 2: Review by Commission Staff
After the filing, the ACC’s professional staff and consultants conduct a comprehensive audit. They analyze the utility’s books, verify expenditures, and determine if proposed costs and profit margins are justified.
The staff then issues a Staff Report, recommending approval, modification, or denial of the proposed rate increase.
Step 3: Intervention and Public Input
The process is open to the public. Any interested party — including individuals, consumer groups, or municipalities — can apply to intervene in the case. Intervenors have the right to submit evidence, call witnesses, and cross-examine utility experts.
In addition, the Commission holds public comment sessions across affected service areas so residents can voice support or opposition. Written comments are also accepted online and become part of the record.
Step 4: Hearings Before an Administrative Law Judge
An Administrative Law Judge (ALJ) oversees formal hearings that resemble court trials.
During these proceedings:
- The utility presents its case.
- Commission staff and intervenors present counterarguments.
- Expert witnesses provide testimony on costs, reliability, and service impacts.
After considering all evidence, the ALJ prepares a Recommended Opinion and Order (ROO) summarizing findings and proposing how much, if any, of the rate increase should be approved.
Step 5: Decision by the Commissioners
The five elected Commissioners review the ALJ’s recommendations and vote in an open meeting. They may adopt, modify, or reject the recommendation entirely.
Once approved, the decision sets new rates, typically including stipulations about how the utility must invest in infrastructure, renewable energy, or customer service improvements.
Step 6: Implementation and Oversight
The utility must notify customers of the new rates and effective date. The ACC continues to monitor compliance, ensuring funds are used as promised.
Future audits and reviews may occur before another rate case is considered.
Why It Matters
This process protects consumers from unfair rate hikes while allowing utilities to maintain and modernize Arizona’s electric grid.
Transparency is key — any citizen can participate or follow along at www.azcc.gov.
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