Appeals Court strikes down Arizona’s ‘grid access charge’ for residential solar customers

The Arizona Court of Appeals has struck down the state’s ‘grid access charge’ for residential solar customers, ruling that the charges were imposed in an unfair manner that violated due process. The decision benefits rooftop solar households and challenges utility fee policies, marking a significant legal victory for solar advocates in Arizona.

The court’s ruling vacated the solar fees approved by the Arizona Corporation Commission (ACC), which had been implemented by Arizona Public Service (APS) in its 2022 rate case. The fees, currently around $2 to $3 per month for households with rooftop solar, were challenged by Vote Solar, the Arizona Center for Law in the Public Interest (ACLPI), and Earthjustice.

The court found that the fees were imposed without proper procedural fairness, violating due process rights. APS had proposed increasing the fees to roughly $6 per month in its ongoing rate case, which is still under consideration at the ACC. Vote Solar and its allies argued that such charges unfairly penalize solar customers and undermine the benefits of rooftop solar, such as reducing grid strain during peak sunlight hours.

Following the decision, Vote Solar’s West Senior Regulatory Director Kate Bowman emphasized the importance of the ruling, stating that it represents a step toward a more equitable energy system. The ruling now places pressure on the ACC to reject APS’s proposed fee increases and prevent discriminatory charges against solar households.

Impact on Solar Customers and Utility Policies

This ruling is a major victory for rooftop solar advocates and residential solar customers in Arizona. It challenges utility practices that seek to impose additional charges on solar households, which could have increased their monthly costs and discouraged solar adoption. The decision reinforces the principle that utility fees must be applied fairly and transparently, supporting the growth of distributed solar energy. It also sets a legal precedent that could influence other states considering similar charges, potentially shaping future utility regulation and solar policies nationwide.

Legal Battle Over Solar Fees in Arizona

The dispute over the ‘grid access charge’ has been ongoing since APS first implemented the fee in 2022. The fee was designed to recover grid maintenance costs from solar customers, but critics argued it was discriminatory and imposed without proper procedural safeguards. Vote Solar and other advocacy groups filed appeals, alleging violations of due process, and the case has wound through the courts for years. The Arizona Court of Appeals’ decision is the latest development in this legal saga, overturning the previous approval of the fee and calling into question utility fee policies that target solar users.

“As Arizonans brace themselves for another hot summer, and yet another rate hike by APS, today’s decision marks an important step forward toward a fairer and more affordable energy system. Monopoly utilities should not be allowed to impose unjustified charges on households that choose to lower their utility bills by installing solar.”

— Vote Solar’s West Senior Regulatory Director

Remaining Questions About Utility Fee Policies

It is still unclear whether the Arizona Corporation Commission will uphold or reject APS’s proposed fee increase of roughly $6 per month in its current rate case. The court’s decision specifically vacates the existing fees but does not directly address future fee proposals. The ACC’s upcoming decisions could still influence the future landscape of solar fees and utility regulation in Arizona.

Next Steps in Rate Case and Policy Changes

The Arizona Corporation Commission is expected to review APS’s current rate case proposal, including the fee increase, in light of the court ruling. Advocacy groups plan to continue monitoring and potentially challenge any new or revised fees that appear discriminatory. The decision may also galvanize further legal and legislative efforts to protect rooftop solar customers and promote fair utility practices across the state.

Key Questions

What is the ‘grid access charge’ that was struck down?

The ‘grid access charge’ was a fee imposed by APS on residential solar customers to recover grid maintenance costs. It was roughly $2 to $3 per month, with proposals to increase it to about $6. The court found it was imposed unfairly, violating due process.

Why did the court rule against the solar fee?

The court determined that the fee was imposed without proper procedural fairness, violating due process rights, and was therefore unlawful.

What does this mean for solar customers in Arizona?

The ruling prevents APS from charging the disputed fee, potentially lowering costs for rooftop solar households and discouraging future discriminatory fees.

Will the fee increase proposed by APS still happen?

It is uncertain. The court ruling vacates the current fees but does not automatically stop the proposed increase. The Arizona Corporation Commission will decide on the matter in its upcoming review.

Could this ruling affect other states?

Yes, the decision may influence legal and regulatory debates in other states considering similar utility fees targeting solar customers.

Source: Solar Power World