Oaks Landfill Solar Project

Montgomery County Government
Department of General Services
Project Manager
Michael Yambrach
Office of Energy and Sustainability
(240) 777-6091

Department of Recreation Headquarters Site Redevelopment
4010 Randolph Road, Silver Spring

A virtual public hearing for the disposition of the property will be held at 7:00pm on Tuesday, November 24, 2020 via a Zoom meeting. More information about the project can be found below.

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The Oaks Landfill located at 6001 Olney Laytonsville Road in Laytonsville is owned by the County and is a closed and capped landfill. The landfill is the responsibility of the Montgomery County Department of Environmental Protection, Recycling and Resource Management Division. The landfill received mixed municipal solid waste from June 1982 until the Spring of 1995. The Oaks Landfill, home to a diverse array of plants and wildlife, also generates electricity using methane gas naturally produced by the site. The Oaks Landfill totals approximately 545 acres, which includes a capped footprint of 170 acres spread across four parcels.

In September 2019, the Department of General Services issued a Request for Energy Proposals for the Oaks Landfill Solar Photovoltaic Project. It is the County’s intent to install a large scale ground-mount solar energy system at the former landfill on top of the closed cap. The 6 megawatt ballasted ground mount system will be the largest solar project on County property. The solar energy system is expected to generate 11.4 million kilowatt hours of electricity each year – enough to power 930 homes. The solar power is expected to reduce greenhouse gas emissions as much as taking 1,740 cars off the road.

The County selected Ameresco as its partner for the project. The project will be 6 megawatts (MW) total, divided into three 2 MW arrays. Array 1 is for the County and will be governed through a power purchase agreement. Arrays 2 and 3, each with 2 MW, will be a Community Solar project with 100% of the electricity generated provided to low and moderate income subscribers. Ameresco will finance, design, construct, own and operate the facilities.

The power purchase agreement and land lease are being finalized. As required under Section 11B-45 of the Montgomery County Code, Council must approve a Declaration of No Further Need for the disposition of the land required for the Community Solar portion of the project. The County Executive virtual hearing for the disposition of the property is tentatively scheduled for Tuesday, November 24 at 7:00 p.m. Details will be posted here when finalized.

Proposed area for solar panel installation at Oaks Landfill
Proposed area for solar panel installation at Oaks Landfill.
An example of another ballasted ground mount solar energy project
An example of another ballasted ground mount solar energy project, similar to what is planned for Oaks Landfill.
Oaks Landfill before solar panel construction
Oaks Landfill before solar panel construction.