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Newberry Geothermal

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State:
  • OR
County: Deschutes
Type of Resource:
  • Geothermal
Operating Status:
  • Proposed
Project Stage: Development
Capacity: 140 MW
Developers: AltaRock Energy
Partners: PG&E; US Renewables Group; Riverstone Holdings
Locale:

On the west flank of Newberry Volcano about 20 miles SE of Bend, OR.

BPA: N
Description:

Projected to come online in late 2009. Full project to be built in phases through 2011. To have 3 or 4 generators of 35 to 45 MWs each. Final size depends on the quality of resource available. Original LOI filed with Oregon EFSC expired without request for extension by developer, Davenport Power LLC. EFSC terminated review process on July 30, 2010. Applicant can reapply.

AltaRock Energy now owns Daveport Newberry LLC and has been developing the project site with their Newberry Enhanced Geothermal Systems (EGS) Demonstration project.

"Since 2010, AltaRock Energy has conducted ongoing research at the site. In 2012, a network of 15 seismometers was deployed at the field site, making Newberry Volcano one of the world’s most well monitored volcanoes. Wellbore surveying activities were completed in 2013, and repairs to well NWG 55-29 were completed in early 2014. An EGS stimulation was conducted using AltaRock’s patented thermally-degradable zonal isolation materials (TZIMs), and microseismic monitoring remains ongoing today.

Future plans for ongoing work at the Newberry EGS Demonstration include drilling a production well which will complete the closed-loop system with the current injection well. Flow and circulation testing will be used to determine productivity of the stimulated EGS reservoir. With good management practices, the geology at this unique site could provide environmentally friendly baseload (24/7) power for decades to come. Ultimately, the Newberry EGS Demonstration site could lead to construction of a 35 MW binary geothermal power plant utilizing a state-of-the-art dry cooling system. A power plant of this size produces roughly enough electricity to power 35,000 homes with clean, renewable energy. The binary system and dry cooling towers are environmentally friendly, generate zero air emissions, and the recirculating reservoir water remains in a closed-loop system at all times."

http://altarockenergy.com/projects/newberry-egs-demonstration/

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