In the middle of a five-day power outage brought on by an early spring storm, Woody Gontina鈥檚 house appeared to be the only one on his street that still had its lights on.
At the time, Gontina had just installed a 5.4-kilowatt solar-and-battery-storage system at his home.
鈥淏ecause of the solar and the battery, we had our whole house powered day and night throughout that outage,鈥� recalls Gontina.
While Gontina could not have foreseen the storm鈥檚 impact, it was an early proof of concept for the Royal Oak city commissioner, who was in the early stages of encouraging his neighbors to install solar panels on their properties through an initiative called Solarize Royal Oak.
In the past few years, a largely grassroots solar installation trend has taken shape across a handful of Michigan towns and counties, as residents like Gontina have sought to capitalize on group-buy discounts and federal incentives to upgrade their homes.
鈥淭here wasn鈥檛 really a champion to push (Solarize) forward,鈥� said Gontina. 鈥淚 had the time and the interest to do it, and I also understood that the city was very challenged in terms of resources and didn鈥檛 have the time to meet an initiative like that.鈥�
Now overseen by the Great Lakes Renewable Energy Association, the Solarize program has expanded to Grand Rapids, Lansing, Kalamazoo, as well as Oakland, Washtenaw, and Wayne counties, where city and county officials have taken over administering it to homeowners and businesses.
While federal incentives for solar have shrunk and solar installations have declined under the Trump administration, advocates of Solarize are still encouraging residents and businesses to take advantage of remaining opportunities and to embrace renewable energy sources amid utility rate hikes.
鈥淎s we see our energy costs continuing to rise, that鈥檚 really the biggest argument for renewables,鈥� said Gontina. 鈥淥ur electric provider, DTE, has demonstrated that they will not stop continuing to ask for increases at a regular pace until there鈥檚 something legislatively done to stop that.鈥�
National grassroots solar installation program appeals to Michigan homeowners
While Solarize has found its footing in Michigan in the past decade, its origins trace back to 2009, when residents in Portland, Or. began hosting neighborhood seminars with local contractors to learn about residential solar panel installation. The program rapidly expanded the city鈥檚 solar footprint, according to a report from the Energy Trust of Oregon.
For Ann Arbor energy manager and resident Julie Roth 鈥� who now works for the city鈥檚 Office of Sustainability & Innovation 鈥� hearing about the early success of Solarize was enough of a rationale to try it in her neighborhood in 2019. At the time, she was interested in installing solar panels on her roof but was concerned about the high upfront costs and the wide range of contractor quotes.
鈥淚 pitched it to my solar installer (contractor),鈥� said Roth. 鈥淚 said, 鈥榃ell, what do you think if I get a bunch of people here and we all do it together. Would you give us a discount?鈥� He said, 鈥楽ure,鈥� and came up with a sort of discount structure.鈥�
After she sent out an invite on Nextdoor and Facebook, Roth says, she was surprised at the turnout.
鈥淚 thought that I would have three people sitting around my dining room table awkwardly trying not to make eye contact with the installer or me, and then we would all go home, and it would be over,鈥� said Roth.
Instead, 40 people showed up to that first meeting at her house. Within a year, about a dozen people from that night installed solar panel systems on their homes.
鈥淚t basically started because we were trying to overcome barriers to adoption,鈥� she said. 鈥淲e didn鈥檛 have any staff. It started as a volunteer thing. We didn鈥檛 have any money, and so with no resources and very little bandwidth, what can you do?鈥�
As residents like Gontina and Roth have become ambassadors for Solarize, encouraging neighbors to host their own events and create more group-buy discounts on solar, it鈥檚 brought greater interest from county governments and statewide organizations seeking to broaden its appeal.
鈥淲e really want to position ourselves as a resource, as an advocate, and relationship builder,鈥� said Julie Lyons Bricker, chief sustainability officer for Oakland County, one of the latest counties to adopt the Solarize program.
Since launching in 2021, the county鈥檚 Sustainability Office has focused on both improving energy efficiency across Oakland鈥檚 62 cities, townships, and villages and guiding homeowners and businesses toward available incentives, says Lyons Bricker.
With Solarize Oakland County, the county hopes to raise awareness on how solar works, what鈥檚 needed to get it installed, and what people should expect from their contractors. Groups of residents can be matched with GLREA-approved vendors and receive a bulk discount of 5 to 15% on their solar panel purchases.
A diminishing landscape for solar installation
As momentum for solar installations has picked up in some communities across Michigan, the national solar industry has had to contend with tariff pressures and a freeze on approvals for major infrastructure projects, amid a pivot away from the clean energy policies and investments that emerged during the Biden administration.
Solar installations have declined, leading to an industry-wide disruption, with utility-scale solar installations down 16% and community solar down 25% in 2025, according to a recent report from the Solar Energy Industries Association (SEIA).
Last year, the Residential Clean Energy Credit 鈥� a 30% federal tax credit on solar, wind, and geothermal home installations 鈥� was cut six years short when Trump signed the 鈥淥ne Big Beautiful Bill鈥� in July 2025, ending a credit that had been set to run through 2032.
鈥淚t鈥檚 an economic investment when you鈥檙e thinking about installing a system,鈥� said Gontina. 鈥淎nything that is available to help with that investment only makes it easier.鈥�
While the residential tax credit ended in December, multiple financial incentives for businesses and houses of worship remain active through the end of 2027. Bricker says the county is still trying to encourage commercial property owners to take advantage of that opportunity while it lasts.
For renters, lower-income residents, and those with roofs unsuitable for panels, rooftop solar programs like Solarize remain largely out of reach. The Trump administration鈥檚 termination of the federal program in 2025 eliminated $156 million in Michigan projects designed to expand solar access for low-income households 鈥� projects already underway in Detroit, Highland Park, Benton Harbor, and beyond.
Community solar legislation, which would allow residents to subscribe to off-site solar arrays and receive bill credits without owning a system, has but has yet to advance.
Solar panel parties spawn citywide energy push
Gontina says that the Solarize Oakland County program could help the rest of the county catch up to what individual towns like Royal Oak are attempting to do.
鈥淵ou鈥檙e bringing a bigger tent to the picture so that more people feel like they have an opportunity to be included,鈥� he said.
Although Solarize is transitioning toward a 鈥渢op-down鈥� approach, Roth credits the 鈥済rassroots鈥� solar parties she and others hosted with helping grow the city鈥檚 residential solar installations over the last several years.
鈥淚t grows the movement more when you鈥檙e talking to your neighbors than when you鈥檙e just talking to a city representative,鈥� said Roth. 鈥淭he community engagement and buy-in and ownership are much higher, especially when you鈥檙e not just looking at getting solar up, you鈥檙e looking at engaging a community around energy.鈥�
She added: 鈥淲e鈥檙e there as technical experts to some degree, to add legitimacy, and to continue to bring people along, and to make sure that the installers are being responsive.鈥�
Although Ann Arbor Solarize鈥檚 numbers have slowed down in recent years, city data shows that the number of residents installing solar panels has increased in tandem with the program鈥檚 launch in 2019 and the growth of the solar installation market.
Ann Arbor has averaged about 180 residential solar installations annually since 2020, compared to 17 per year between 2008 and 2019.
Nearly seven years later, the success of Ann Arbor鈥檚 Solarize program has contributed, in part, to the city鈥檚 push to create a municipal-owned utility designed to help residents and businesses access solar energy and battery storage without upfront costs. The program will be optional, and will supplement, not replace, the use of DTE鈥檚 electric grid, according to city documents.
Ann Arbor鈥檚 , authorized by roughly 80% of voters, is designed in part to address those barriers. Unlike rooftop solar programs, it would allow residents and businesses to access solar and battery storage without upfront costs 鈥� with the city owning the equipment and customers paying a monthly rate. Pilot projects targeting lower-income neighborhoods are expected to launch in 2026, with citywide expansion planned for 2027.
Roth hopes the city鈥檚 trend in renewable energy adoption and utility ownership can be a model for other communities. These days, she relishes the sight of solar panels around Ann Arbor.
鈥淵ou walk around, you walk your dog in the neighborhoods, and it鈥檚 like, 鈥榮olar there, solar there, solar there,鈥欌�� she said. 鈥淚t鈥檚 so visible. And that鈥檚 really exciting to see the actual physical changes in your community.鈥�
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