Capstone Turbine Corporation (NASDAQ:CPST) announced Thursday that it has landed an order for an 800-kilowatt Signature Series microturbine to upgrade the wastewater treatment plant (WWTP) run by the City of Roseville, in California.
In a statement, the maker of clean-energy microturbines said the low-emission C800S microturbine system will yield “significant benefits” for the environment in the near and long-term. The regional wastewater plant will help officials meet sustainability goals by cutting carbon emissions, "equal to what can be stored in 2,100 acres of forest and produce clean and green power equal to powering 740 homes.”
Cal Microturbine, Capstone's exclusive distributor in California, Washington, Oregon, Idaho, Hawaii and Nevada won the order for the digester-gas fueled Capstone C800S microturbine energy system, the group said.
"This order is significant as it shows the continued expansion of the biogas sector in the United States," Capstone Turbine CEO Darren Jamison commented.
"Global wastewater treatment projects and other biogas to energy projects like landfills and breweries continue to grow and today make up 15% of our total revenue for the nine months ended December 31, 2019, compared to only 8% in the same period last year," he added.
Capstone Turbine's microturbine systems have the ability to operate on biogas and other renewable fuels and produce clean electricity and thermal energy.
Kenda Brown, president at Cal Microturbine, pointed out that Capstone microturbines “meet strict emissions regulations” with minimal renewable fuel processing to provide “24/7 renewable power,” a major need for grid support in California.
"Cal Microturbine sees continued growth in the renewable market as clients move to make beneficial use of biogas," he noted.
The infrastructure upgrade project will not only increase treatment capacity but will allow officials to build a waste-to-energy cogeneration plant that will produce electricity for onsite use. A five-bay C800 Signature Series microturbine will provide a long-term scalable solution for the project and can be expanded to accommodate an increase in site loads.
The C800S microturbine is expected to be delivered in December of this year, the company added.
The WWTP will utilize minimally processed digester methane for use in the 800kW Capstone system while the waste heat will be recovered for digester heating. According to Capstone, it was selected by a national engineering firm due to its “value, emissions, and flexibility” to easily add an additional 200 kilowatt of power.
Cal Microturbine is currently working on an identical follow-on project for another municipal digester with the same engineering firm.
Capstone, based in Van Nuys, California, offers a product line-up of microturbines that can produce anywhere from 30 kilowatts to 10 megawatts of power, operating on a variety of gaseous or liquid fuels. To date, Capstone has shipped over 9,000 units to 73 countries.
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