Exhibit 4 - Presentation - CCLandfill Gas-to Energy (LFGE)
the City of Denton Landfill
Award of Contract 8465
Brenda A. Haney, P.E., Director of
Solid Waste & Recycling
Date: September 9, 2025
File ID 25-1498
1
SUSTAINABILITY/BENEFICIAL MEASURES
Current practice (i.e., flaring landfill gas) constitutes:
•Major maintenance expense
•Need for mechanized components
•Opportunity Costs associated with potential LFG sales revenue
Landfill Gas (LFG) is an asset of the City
•Processed LFG is a clean reusable commodity
•Beneficial reuse increases sustainability and lessens carbon footprint of Denton
•Beneficial reuse is a profitable and an environmentally responsible alternative
225-1498 September 9, 2025
Historical Timeline
➢Through 2020, the City was operating a LFG to Energy (LFGE) Facility which was subsequently de-
commissioned
➢The City commissioned a study on possible LFGE projects at the landfill, specifically refining the gas to
high-Btu fuel
➢In 2023, the City issued a RFP for a LFGE project but this never progressed due to negotiations
➢In 2024, the City issued a RFP for a LFGE project which has been evaluated and Morrow Energy was selected
➢City has installed a gas collection infrastructure
➢139 gas collection wells onsite to collect LFG
➢Currently, all landfill gas is diverted to a flare station, then destroyed (“flared off”)
325-1498 September 9, 2025
Project Schedule & Action Requested
➢In May 2024, a RFP for a Landfill gas to Energy Project was released
➢In August 2024, Morrow Energy operating as Mayhill Renewables was selected
➢Mayhill Renewables will assume wellfield operations; expand the existing wellfield;
improve overall gas collection; clean and compress the LFG to sell in the open market
➢Council Action Requested
➢Approve ordinance authorizing the City Manager to execute the Lease Agreement and the Gas Rights
Agreement
425-1498 September 9, 2025
Questions?
5
Brenda Haney
Director Solid Waste & Recycling
25-1498 September 9, 2025