Inflation Reduction Act grant gives landfill solar a boost in Ohio

Inflation Reduction Act

 

Ohio clean energy projects under an Inflation Reduction Act grant announced last month show how solar sited on closed landfills can reduce greenhouse gases, improve resilience and provide funding for other environmental goals.

Part of the $129.4 million grant from the U.S. Environmental Protection Agency will add 28 megawatts of solar generation to a county central services facility and four former landfill sites in Cleveland and Cuyahoga County. A bigger chunk of the funding will bring 35 MW of solar and 10 MW of battery storage to a brownfield site in Painesville in Lake County, which will let the city close a coal-fired peaker plant that dates back to 1908.

Representatives of the Cleveland, Painesville and Cuyahoga County governments, along with the EPA and others, met July 26 at Cuyahoga County’s 4 MW solar array in Brooklyn, Ohio, to discuss the grant and the work. Funding from the EPA grant will more than double the generation capacity of that landfill solar site, which has been in operation since 2018.

“In Northeast Ohio we’re going to see warmer, wetter, wilder weather in this region. And we have to do our part to address climate change,” said Mike Foley, director of sustainability for Cuyahoga County.

Funded projects under the grant are expected to eliminate the equivalent of 1 million metric tons of carbon dioxide over a 25-year period, with the largest cuts coming from deploying the solar projects in Cuyahoga County, Cleveland and Painesville, according to Valerie Katz, deputy director of sustainability for Cuyahoga County.

The biggest chunk of grant money will go to Painesville, which is in Lake County east of Cleveland. But the 28 MW of solar generation to be built in Cuyahoga County will have a big impact.

“This will triple our solar capacity in Cuyahoga County in the next five years,” Katz said.

The landfill and brownfield projects funded by the grant will do more than produce electricity. By avoiding pollution from fossil fuels, they’ll provide health and environmental benefits. They’ll also produce revenue.

Some of the revenue from the brownfield solar site in Painesville will fund natural habitat for pollinators, birds and other wildlife elsewhere on that site. The city plans to work with the West Creek Conservancy for that and other projects, including building public trails and creating access for fishing.

Cuyahoga County also plans to use revenue from its sites to deploy more solar, Katz said. The added solar, in turn, can help develop microgrids to boost resiliency.

While closed landfills provide plenty of open space, they also are often capped by membranes made from clay or other materials that cannot be damaged without risking environmental harm.

Solar arrays at these sites are feasible thanks to ballast systems, which have been fairly common for such uses for more than a decade. Huge concrete blocks anchor the solar array’s racks and panels. The blocks, or ballasts, support the array and protect it from wind.

“They’re not going through the cap, which works out great for us,” said Jarnal Singh, an environmental supervisor with Ohio EPA’s Twinsburg office in its division of materials and waste management.

Without holes in the cap, the solar array doesn’t provide a pathway for methane or other gases to escape from the landfill. Leaving the cap intact also avoids creating a pathway for water to get in and percolate through the waste. That liquid, called leachate, could pollute groundwater if it’s not collected and treated properly.

Ohio has 141 landfill sites that have been subject to the state’s post-closure care requirements, according to Anthony Chenault, the Ohio EPA’s media coordinator for its Central, Northeast and Southeast districts. The agency has approved four landfills for solar development so far and has had informal discussions about several more sites.

But other practical considerations and site-specific features control whether any particular landfill is suitable for solar development.

“Some factors that could determine viability of a solar installation include proximity to existing power lines, size of the landfill, condition of the landfill cover, ownership (public vs private), and accessibility for equipment and maintenance,” Chenault said via email.

A few years should have passed since a landfill was closed and capped, so some settlement and off-gassing has already taken place, said Scott Ameduri, president of Enerlogics Networks, which was the primary developer for the Cuyahoga County solar site. There also must be a financially sound owner willing to accept responsibility for the waste at the site, he said.

Just as importantly, the electricity will need somewhere to go and a way to get there.

“In Brooklyn, for example, we were fortunate that Cleveland Public Power is a municipal utility,” Ameduri said. Municipal utilities are generally more flexible about making arrangements to take and distribute power than investor-owned utilities, he noted. Community solar legislation, such as House Bill 197, could help change things on that front, he added.

Another option is to have a large off-taker for the electricity adjacent to or near the landfill. The 7 MW of new grant-funded solar power to be built on a landfill south of the IX Center in Cuyahoga County can go to the expo center or the nearby Cleveland Hopkins International Airport, Ameduri said. The general area is also under consideration for one of the Cuyahoga County utility’s microgrids.

Otherwise, a landfill solar project putting electricity onto the grid may require a go-ahead from the regional grid operator, which is PJM for Ohio. The process takes roughly three to five years and adds extra costs. “I’d rather spread that over a 100-MW project than I would for a smaller brownfield site,” Ameduri said.

For now, Cleveland, Painesville and Cuyahoga County are celebrating the EPA grant award.

“This investment will allow us right here in Cleveland to turn brownfields into bright fields,” said Mayor Justin Bibb.

Source: Energynews.us

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