U.S. Gain and EnTech Solutions Bring Renewable Energy to a Wisconsin Dairy Digester
/EIN News/ -- Appleton, Wis., March 23, 2023 (GLOBE NEWSWIRE) -- U.S. Gain, a leader in the development and distribution of alternative fuel and renewable energy, is excited to share its first integration of a solar microgrid at its Dallmann East River Dairy digester in Brillion, Wisconsin. This U.S. Gain-owned digester has been producing renewable natural gas (RNG) for the transportation industry since August 2020.
Representing a major step forward for innovation in rural Wisconsin, this project highlights the integration of sustainability progress and energy independence into the farming and renewable natural gas communities. Using solar panels, renewable electricity is generated and used to power day-to-day digester operations. This electricity can also be stored in onsite batteries to be used at night or on cloudy days. Additionally, through onsite combined heat and power (CHP) technology, heat is captured and repurposed to reduce natural gas demand.
Producing RNG with renewable energy improves the carbon intensity (CI) of the fuel, making it more sustainable and valuable in the marketplace. Utilizing energy modeling software, the microgrid system was sized to support the needs of the facility and maximize the value of the fuel produced.
Located on nearly four acres of land, the Dallmann digester microgrid is expected to produce 1.9GWh of electricity annually. This will offset 97% of the Dallmann digester’s electrical energy load that is typically sourced from grid power and will result in renewable natural gas supply with a lower carbon intensity (CI) score. Most of the energy being offset is from the solar microgrid, but a significant portion also comes from the CHP technology. Heat byproduct from the CHP electricity generation process is diverted to the digester which reduces boiler heat demands and, consequently, the natural gas used for boiler heating while also feeding backup battery storage.
“RNG development is an energy-intensive process: from heating the digester to powering the gas-clean-up facilities,” shared Pat Van Dehy, director of operations at U.S. Gain. “By using lower CI solar energy and less traditional grid power, we’re finding a cleaner way to power our digesters—ultimately doing more with less.”
While excess solar energy produced from the Dallmann microgrid can be sold back to the grid, most will be used onsite. The system’s backup battery could keep the process operating during power outages. In the future, with appropriate regulatory approvals, this solar microgrid installation could provide Dallmann East River Dairy and U.S. Gain the security of knowing that the dairy and digester would not be impacted by grid outages—preventing data loss, interrupted operations, and digester temperature fluctuations.
A key project partner for U.S. Gain’s Dallmann solar microgrid project is EnTech Solutions, an industry leader in sustainable, reliable energy solutions that’s dedicated to creating cleaner, smarter energy. EnTech Solutions provided end-to-end project management including energy modeling using EnergyDNA™, microgrid and solar engineering and development, installation, and optimization. EnTech will also provide 24/7 support and maintenance over the 20-year contract. This is the second project that U.S. Gain and EnTech have partnered on for microgrid use at RNG facilities.
“Integrating renewable energy into the Dallmann digester is a logical next step toward increasing the facility’s operational and financial performance,” said Jacob Feutz, EnTech Solutions’ vice president of renewable fuels. “We’re pleased to partner with U.S. Gain on this project in support of the agriculture community’s continued focus on sustainability.”
“This represents the largest project that U.S. Gain currently has to offset our energy use. By collaborating with EnTech, another Wisconsin-based company, we’re able to help drive change right in our own backyard,” said Hardy Sawall, director of business development at U.S. Gain. “Through microgrid integration, we are providing our digester partners with more sustainable infrastructure that translates to lower CI RNG supply and environmental benefits.”
There are many considerations to keep in mind when evaluating the incorporation of off-grid power into digester operations. For help getting started or more information on partnering with U.S. Gain or EnTech Solutions, reach out.
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About U.S. Gain
U.S. Gain is a leader in the development and distribution of alternative fuel and renewable energy. Over the past ten years, we’ve diversified throughout the renewable natural gas supply chain, becoming vertically integrated to provide the cleanest fuel and energy at the best value. We’re developing renewable natural gas at farms, landfills, and wastewater treatment plants to reduce emissions for sustainably driven organizations. Further, we continue to build a platform of alternative fuel solutions that enable the polyfuel future that fleets demand while also offering credit generation services under the RFS, LCFS, and CFP programs. Backed by the strength and size of U.S. Venture, Inc., a leading provider of transportation products and insight driving the world forward, we are committed to finding a better way to succeed by offering unrivaled expertise, tenacity, and character in all we do. To learn more, visit www.usgain.com.
About EnTech Solutions
EnTech Solutions, a division of Faith Technologies Incorporated (FTI), provides distributed energy capabilities, eMobility charging, innovative sustainable fuel technologies, and asset management solutions for businesses looking for reliable, clean energy solutions. We utilize proprietary energy modeling and optimization software to ensure intelligent, comprehensive, and resilient electricity is delivered from an infrastructure that prioritizes the use of all available resources such as renewables, storage and the utility grid. Making Clean Energy Smarter™ – for our customers, the environment, and the generations to come. For more information, visit energybyentech.com.
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Megan Biese, Director of Marketing
U.S. Gain & U.S. Oil | Divisions of U.S. Venture, Inc.
920.202.6532
mbiese@usgain.com
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