The Iowa Statehouse in Des Moines. Credit: Ashton B Crew / Wikimedia Commons

A bill supported by utilities, business and labor groups would do away with the state’s net metering policy.

Iowa clean energy advocates are bracing for another legislative setback this year as the state’s largest utility takes aim at solar net metering.

A bill (HSB 185) introduced by a House committee chairperson last week would slash the payments customers receive for unused solar power they generate.

A spokeswoman for MidAmerican Energy said the current policy forces customers who don’t own solar panels to unfairly subsidize those who do.

“We support customers having private generation, but not the cost shift that’s created when they don’t pay for their use of the grid,” a spokeswoman said.

The question of cost-shifting, however, has never been studied in Iowa and has been disproven in states that have examined the value of distributed solar on the grid.

The changes proposed in Iowa would “decimate the future of distributed solar” in the state, according to Josh Mandelbaum, a lawyer for the Environmental Law & Policy Center, one of several groups alarmed about the legislation.

The threat comes a year after Iowa lawmakers voted to limit utility investments in energy conservation programs, a major blow to efficiency efforts in the state.

MidAmerican Energy is an influential force in Iowa politics, with dozens of lobbyists in Des Moines. The utility contributes tens of thousands of dollars to local candidates in most election cycles. The bill also has support from municipal and cooperative utilities, business groups and several labor unions.

The legislation would eliminate the state’s current net metering policy and instead offer solar customers one of four options as a substitute. They include:

  • Buy all, sell all: Customers pay full retail rate of about 10 cents per kWh for all power they use and are paid the company’s avoided cost rate, about 2.5 cents per kWh, for all power generated.
  • Minimum fee: Customers continue traditional net metering but pay a minimum flat fee if their utility bill shrinks below a certain amount.
  • Demand fee: Besides fixed fees and energy use charges, customers also pay a demand fee tied to their peak power consumption.
  • Cost of service: Customers pay an unspecified rate that would allow the utility to cover the cost of providing service to them.

“They lay out a series of choices” Mandelbaum said, “but they’ve structured [them] so that no one would want to select any of them.”

Iowa Solar Energy Trade Association president Tim Dwight called the legislation “a blatant attempt to destroy Iowa’s solar industry by switching the economics on solar projects for farmers, businesses and residents.”

In several states, studies have been conducted that aim to quantify the costs and benefits of distributed generation. Generally, they’ve found that customer-owned solar creates a net benefit for all ratepayers.

In Iowa, where about 0.2 percent of customers have solar panels, a value-of-solar study has never been conducted. Some people, including Josh Mandelbaum, think the sample size is still too small to get a valid answer.

Kerri Johannsen, who lobbies on energy issues for the Iowa Environmental Council, thinks the need for more information is pressing, and that the time is now to try to quantify the impacts of distributed solar generation. She contends that legislating major changes to net metering is at best premature.

In January 2014, the Iowa Utilities Board solicited comments on the state’s net metering policy and concluded in an October 2015 order that the feedback generated didn’t warrant policy changes at that time.

At the same time, state regulators ordered MidAmerican and Iowa’s other major utility, Interstate Power & Light, to conduct pilot projects aimed at fostering more net metering. Those projects are still underway.

Karen spent most of her career reporting for the Kansas City Star, focusing at various times on local and regional news, and features. More recently, she was employed as a researcher and writer for a bioethics center at a children’s hospital in Kansas City. Karen covers Iowa, Missouri, Kansas, Nebraska, North Dakota and South Dakota.