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. Utility Overview. Municipal corporation of the state of Washington. Located just north of Seattle.Serve a population of ~700,000 and an area of ~2,200 square miles.Largest of 28 PUD's in Washington, 12th largest public utility nationwide.Key customers include Boeing, Naval Station Everett, and Kimberly-Clark Corporation. .
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1. Geothermal Energy Exploration in Washington State
2. Utility Overview
3. Energy Challenge
4. Wind Energy
5. Utility Industry Strategic Fit Geothermal Power = Clean, renewable, emission-free energy
Meets Washington Renewable Portfolio Standard requirements
Baseload energy
Significant potential
6. Geothermal Energy: The Baseload Renewable Meet load growth, achieve I-937 goals, mitigate transmission & integration constraints by developing baseload geothermal energy locally. Small picture of geothermal power plantSmall picture of geothermal power plant
7. Status of Geothermal Exploration in Washington Historically low power prices.
Little oil/gas exploration.
Rainfall/moisture/vegetation masks geothermal signatures.
National Parks and Wilderness areas.
Focus on wind.
8. Potential Washington Resources High enthalpy systems
Mt. Baker
Rainier
St. Helens - Mt. Adams – Mt. Hood triangle
Indian Heaven KGRA/Skamania County
Snohomish County Area
Glacier Peak
Kennedy Hot Springs
Gamma Hot Springs
Sulphur Creek Hot Springs
Garland Hot Springs
Scenic Hot Springs
9. Snohomish County Small picture of geothermal power plantSmall picture of geothermal power plant
10. Snohomish County Small picture of geothermal power plantSmall picture of geothermal power plant
11. Study Activities: 2007-08 Updated GIS database utilizing data from historical BPA studies
Existing data review
Temperature with depth maps
Geochemistry
Geology
Fracture/fault mapping
Seismic data
Stress/tectonic regime
Transmission lines
Access/land availability
Gathered new geochemistry data from springs and wells
Preliminary costs: exploration, wells, plant
Potential exploration/development options
12. Next Steps: 2008-10 Develop and execute exploration plan
Time table and costs
Determine if risk/cost of exploration well drilling in our region is warranted
Specific site identification
Land/lease acquisition
Permitting
Well drilling plans, specifications, and strategy
Funding opportunities
Exploration well drilling and evaluation
EGS opportunities
13. Objective: 2015-20 & Beyond Develop ~ 90 aMW of geothermal energy in/near Snohomish County
Engineered Geothermal System advancement and potential
14. Questions? cwcollar@snopud.com
www.snopud.com