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Report: Rooftop solar systems becoming more popular in Iowa

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Report: Rooftop solar systems becoming more popular in Iowa


Iowa ranked 27th in the country with its 308 gigawatt-hours of solar in 2022

Chris Larson (left) and Levi Detweiler position a solar panel July 6, 2023, as a crew from Eagle Point Solar installs solar panels on the roof of a home in northeast Cedar Rapids. (Nick Rohlman/The Gazette)

The energy generated by small-scale solar energy systems — including on rooftops — have grown more than 300 percent in Iowa over the last decade, according to a new report from nonprofits Environment America Research & Policy Center and Frontier Group.

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The nation’s share of power originating from U.S. small-scale solar systems increased tenfold between 2012 and 2022, reaching more than 61,000 gigawatt-hours of electricity, the report found based on U.S. Energy Information Administration data. That’s enough electricity to power 5.7 million homes — nearly four times more than all the housing units reported in Iowa in 2022. Rooftop solar comprised 64 percent of that energy.

California, Arizona, New York Massachusetts and New Jersey marked the top five states for small-scale solar generation in 2022. Iowa ranked 27th with its 308 gigawatt-hours and 23rd for generation per 100,000 residents.

Most of Iowa’s small-scale solar generation — 173 gigawatt-hours of it — appeared on commercial facilities like warehouses, superstores and other retail buildings. Two-thirds of those systems went online between 2017 and 2022. The state ranks 17th for its commercial solar.

Read More:
6 ways the Inflation Reduction Act affects Iowans

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Residential solar was the next most popular type of system in Iowa, comprising 123 gigawatt-hours in 2022. The state tied for 31st throughout the nation in this category. Again, the majority of these systems were built after 2017.

The remaining 12 gigawatt-hours of Iowa’s small-scale solar generation in 2022 belonged to the industrial sector, which includes agriculture, construction and manufacturing. Iowa tied for 21st nationally and was among the top states with the fastest growth in this type of generation between 2014 and 2022.

Iowa Environmental Council’s energy policy counsel Steve Guyer, who owns and leads GWA International in Altoona, said the report accurately reflects Iowa’s existing investments in small-scale solar systems and confirms trends he has seen.

Why has Iowa seen a recent push in installations, he asked?

In his experience, Guyer has seen customers invest in solar for reasons spanning environmental causes to economic benefits. Iowa’s pork industry in particular has capitalized on rooftop solar to lower electric costs, especially as manufacturing prices for the tech continue to fall, he said. The state has also seen spikes in solar energy activity when it offers tax credits and its utilities offer rebates and net metering.

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“It’s a little ebb and flow that we’ve seen through the years,” Guyer said about solar trends in the state. “The Inflation Reduction Act certainly will have a big impact moving forward.”

The 2022 Inflation Reduction Act offers a 30 percent federal tax credit for residential, commercial and agricultural solar projects for the next 10 years. The law also allows some tax-exempt entities — like churches, nonprofits and local governments — to receive compensation for such projects. Last April, solar companies in Eastern Iowa reported upticks in local demand for the projects.

In their report, Environment America Research & Policy Center and Frontier Group advocated for more rooftop solar to reduce strains on the power grid, save electric customers money, increase grid resilience and reduce the amount of land taken up by energy sources. They also pushed for more pro-solar policies at the state level, including solar incentives, net metering, simpler permitting processes and more support connecting new generation to the power grid.

Brittney J. Miller is the Energy & Environment Reporter for The Gazette and a corps member with Report for America, a national service program that places journalists in local newsrooms to report on under-covered issues.

Comments: (319) 398-8370; brittney.miller@thegazette.com

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A new facility in Marshall County could spark more conservation on Iowa farms

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A new facility in Marshall County could spark more conservation on Iowa farms


The Iowa chapter of the Land Improvement Contractors of America (LICA) officially opened a new facility on its 80-acre demonstration farm in Marshall County Thursday.

Iowa LICA President Scott Bohle said having classroom and meeting space will make it easier to educate the next generation of professional contractors, along with government employees, lawmakers and students, to help conserve soil and water in the state.

Bohle said the building “gives people a place to gather, collaborate and continue the important work that defines our association.”

Just outside the new space are wetlands, terraces, sediment control basins, bioreactors and other features, which members have built since LICA purchased the farm near Melbourne in 2000.

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“We call it the one-stop shop, where you can see anything being put to practice by our landowners,” said Kelby Kiefer, executive director of Iowa LICA.

Together, these “edge-of-field” practices remove 50% of phosphates and almost 100% of the nitrates from the runoff of a 1,000-plus acre watershed, according to the association.

Adding more wetlands, saturated buffers and bioreactors across the state are a key part of Iowa’s Nutrient Reduction Strategy. It aims to cut nitrogen and phosphorus losses from farm fields by 41% and 29%, respectively.

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The strategy is part of a broader effort to reduce nutrient pollution in the state’s waterways and the Gulf of Mexico by 45% compared to the 1980-96 baseline period. It does not include a target date.

Iowa Secretary of Agriculture Mike Naig said the state has accelerated edge-of-field practices in recent years, in part through the Batch and Build model. The approach bundles projects in a targeted watershed to reduce costs and save time for farmers and contractors.

Nearly 150 nitrate reducing wetlands and around 500 saturated buffers, bioreactors and multi-purpose oxbows had been built in the state as of 2024. Thousands more will be needed to meet the state’s nutrient reduction targets.

“[Clean water is] something we need to be focused on, and we can be proud of the work that’s happened, but we know that we need to do more,” Naig said. “Buildings like this help.”

Naig said scaling up conservation infrastructure across the state will require more skilled contractors. He described them as the “critical link” between concepts and “getting things on the ground.”

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“It’s from that point where you say, ‘We have a design that’s ready to go, a willing landowner,’ but somebody needs to make it happen,” Naig said. “The land improvement contractor sits in that very important spot.”





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Iowa City Regina baseball finds winning formula under new leadership

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Iowa City Regina baseball finds winning formula under new leadership


IOWA CITY, Iowa — Mark Roering returned to Iowa City Regina 30 years after serving as an assistant coach, and in just two seasons, he has transformed the Regals into one of Class 2A’s most dangerous teams.

“I was a senior in college. I just had finished playing baseball myself and was doing high school in the summers. Had one of those magical seasons here losing in the state finals,” Roering said. “I was just ready for something new.”

Prior to being hired at Iowa City Regina in 2024, Roering coached nine seasons at Dowling Catholic, where he helped the Maroons reach the state tournament six times. Regina was below .500 in three of the four seasons before his arrival. His first season at the helm, Regina went 22-6.

“I think the biggest difference is practice. Everybody is so much more locked in. Really that just comes from him. He gets on us everyday, he has to make the drive and hour and a half every day so we want to give that back to him for all the time and effort he’s put into us,” junior Trey Streb said.

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Streb also described Roering as a very emotional coach who cares deeply about the team and winning.

The Regals’ bats have become a significant threat. Regina ranks fifth in the state and second in Class 2A with a .379 batting average and has the fourth fewest strikeouts among state teams.

“It’s like nothing I’ve ever experienced and it’s been super competitive and it’s nice to be with people who want to win and will do whatever it takes to win,” senior Emmett Burke said.

The team already sits at 20 wins with eight regular season games remaining.

Roering said the transformation comes when players start believing they can win in any situation.

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“Winning is contagious just like losing is contagious,” Roering said. “Kids they start believing and it gets really dangerous you know that they can win no matter what situation they’re in.”

The turnaround has positioned the Regals to make a postseason run. With only one senior on the roster, the team could remain a threat next season.

“No matter what, we’re going to fight and we’re not going to roll over. We’re going to do what we need to do to win,” Burke said.

“We’re big competitors. We don’t accept defeat and I think that’s one of my favorite parts about this team,” Streb added.

Copyright 2026 KCRG. All rights reserved.

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Iowa City residents face higher water bills in July

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Iowa City residents face higher water bills in July


IOWA CITY, Iowa (KCRG) -Water and wastewater utility rates in Iowa City will increase starting July 1, following a city council decision on May 19.

The water utility rate will increase by 3%, while the wastewater rate will increase by 5%.

The increases are part of a funding model to help recover the costs of providing water and wastewater services to Iowa City residents.

The new rates will take effect in tandem with Iowa City’s 2027 fiscal year and apply to customers served by the Iowa City Water Division and the Iowa City Wastewater Division.

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The city said the rate adjustment supports its continued provision of safe and reliable water service.

To learn more about the city’s utilities, visit their website.

Copyright 2026 KCRG. All rights reserved.



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