ADVOCATES CELEBRATE INDIANA COURT DECISION

Decision will restore fairness to the billing method used to compensate rooftop solar owners


INDIANAPOLIS – A broad coalition of solar companies, environmental and consumer advocates, led by the Indiana Office of Utility Consumer Counselor (“OUCC”), has prevailed at the Indiana Court of Appeals in a case challenging approval by the Indiana Utility Regulatory Commission’s (“IURC”) of CenterPoint’s “excess distributed generation” (“EDG”) tariff for rooftop solar and other DG customers. CenterPoint
was the first Indiana utility to file for approval of an EDG tariff following the state legislature’s overhaul in 2017 of net metering for customers of Indiana’s five investor-owned electric utilities.

That law—SEA 309—phased out retail rate net metering and replaced the former 1:1 kilowatt-hour bill credit with a much smaller credit based on 125% of the utilities wholesale rate. That change in compensation resulted in a bill credit that is approximately 70-80% lower than what customers receive for retail rate net metering. However, as noted by the Court, the law did not change the method by which “excess” distributed generation would be calculated and the credits applied to customers’ monthly electric bills.

The law defined EDG as the “difference between” the energy delivered to the customer from the grid, or “inflow”, and the energy delivered by the customer to the grid, or “outflow”. In other words, while the law changed the bill credit rate, it still required utilities to net inflow and outflow during each billing period to determine the number of kilowatt hours of “excess” distributed generation to which the smaller credit rate would be applied.

By contrast, the CenterPoint EDG tariff approved by the IURC attempted to change how the bill credit was calculated on customers’ monthly bills by eliminating this netting altogether, replacing it with a tariff provision that charged DG customers the retail rate for every kWh delivered by the utility and credited customers at the much lower 125% of wholesale rate for every kWh of energy delivered by the customer to the grid. If approved for all of Indiana’s investor-owned electric utilities, this proposed EDG tariff provision was expected to drastically slow down rooftop solar adoption in the state. The Court of Appeals rejected the CenterPoint tariff provision because it violated the plain meaning of SEA 309.

“While there is more work ahead of us, we are thrilled with the outcome”, stated Kerwin Olson, Executive Director of Citizens Action Coalition. “We sincerely thank the OUCC for the crucial role it played in standing up for Indiana consumers and achieving this win.”

Will Kenworthy, Regulatory Director, Midwest for Vote Solar, served as an expert witness in the CenterPoint EDG proceeding before the IURC. His testimony in the case objected to the instantaneous netting interval. He stated that “fair, accurate compensation is the key to expanding residential solar. CenterPoint’s proposal was neither fair nor accurate, and I’m glad the court recognizes that. Monthly
netting makes sense and is a win for Indiana ratepayers who use their hard-earned money to add more solar to the grid.”

“This is a very good win for Indiana consumers investing in the clean energy transition,” said Brad Klein, Senior Attorney with the Environmental Law & Policy Center. “It will guide the development of EDG tariffs for the rest of Indiana’s electric utilities and will create needed stability and certainty for the rooftop solar industry and Indiana consumers.”

Solarize Indiana Board member Mike Mullett concurred, hailing the Court’s decision as a “critical victory for the rule of law which upholds the plain meaning of SEA 309 and thereby gives effect to the clear legislative intent behind the law to reduce but retain a financial incentive sufficient for retail customers to continue to invest in innovative distributed solar technology.”

“This decision comes at a critical time for the Indiana solar industry. Solar companies testified that CenterPoint’s proposal would have a devasting impact on both solar/DG providers and their customers,” said Laura Ann Arnold, President of Indiana Distributed Energy Alliance (IndianaDG). “Because there are other similar tariffs already approved or pending, this decision has potential statewide impact much
larger than SW Indiana where CenterPoint operates.”

“This decision is good news for everyone who wants to see a cleaner energy system in Indiana that puts consumers first,” said Zach Schalk, Indiana program director for Solar United Neighbors. “Rooftop solar benefits everyone by producing homegrown, clean energy close to where it’s actually needed. Protecting traditional monthly netting puts rooftop solar within reach for more Hoosier families.”

A copy of the opinion from the Court is available here.


Contact information:
Laura Ann Arnold, IndianaDG, (317) 635-1701, laura.arnold@indianadg.net
Mike Mullett, Solarize Indiana, (812) 350-0707, mullettgen@aol.com
Will Kenworthy, Vote Solar, (704) 241-4394, will@votesolar.org
Zach Schalk, Solar United Neighbors, (317) 268-2099, zach@solarunitedneighbors.org

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