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City of Phoenix and Ameresco wastewater treatment plant biogas project

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Hydrocarbon Engineering,


Ameresco, Inc., a leading renewable energy and energy efficiency company, and the City of Phoenix have hosted a ceremonial groundbreaking event for the start of a multi-million dollar wastewater treatment biogas utilisation project at the 91st Ave wastewater treatment plant (WWTP). Once operational, it is expected to be the largest wastewater treatment biogas-to-renewable natural gas facility of its kind in the US. The attendees at the event heard from a variety of speakers including City leaders and Ameresco representatives.

Ameresco will design, build, own, operate and maintain (DBOOM) the wastewater biogas-to-energy facility. The WWTP is owned by the Sub-Regional Operating Group (SROG) made up of Phoenix, Glendale, Mesa, Scottsdale, and Tempe, and serves these cities. The WWTP is operated by the City of Phoenix. The 91st Ave biogas project, expected to be operational in late 2017, will process the raw biogas generated in the anaerobic digesters into renewable natural gas (RNG) that will be sold to the vehicle market through the nation’s natural gas pipeline grid. The biogas is a mixture of various gasses (mostly methane and carbon dioxide) produced through the anaerobic decomposition of organic matter delivered to the WWTP. With a project size of 3250 ft3/min. capacity, the project is expected to be the largest of its kind in the US.

This project is expected to reduce carbon emissions by nearly 45 000 tpy, the equivalent of taking over 70 000 cars off the road or planting over 87 000 acres of tress every year.

Phoenix Mayor Greg Stanton stated, “Making Phoenix more sustainable isn’t just the right thing to do, it is also sparks innovation and creates exciting new economic opportunities. By partnering with Ameresco at our new processing plant, Phoenix is taking previously untapped raw biogas generated by wastewater treatment and turning it into a renewable energy source that can be sold. This cutting-edge partnership benefits our regional economy and environment at the same time. Phoenix has set ambitious sustainability and renewable energy goals, and this partnership will help us get there.”

Michael T. Bakas, Senior Vice President, Ameresco said, “Ameresco is honoured to be partnering with the cities of Phoenix, Glendale, Mesa, Tempe and Scottsdale, and we’re truly excited to break ground and get underway. The exceptional aspect of this project is the ability to capture a wasted resource and utilise it, thereby efficiently making use of this valuable renewable energy asset. We’re looking forward to making this project a reality later this year for a community that recognises the tremendous value and importance of environmental stewardship in conjunction with fuelling the local economic growth engine with this new business while at the same time reducing its costs.”

Read the article online at: https://www.hydrocarbonengineering.com/clean-fuels/03022017/city-of-phoenix-and-ameresco-wastewater-treatment-plant-biogas-project/


 

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