1. GEO-HEAT CENTER History, Scope of Services and Activities Oregon Institute of Technology Klamath Falls, OR 97601 http://geoheat.oit.edu

2. BACKGROUND Established in 1975 Based on the Oregon Institute of Technology campus – a geothermal heated campus - 192°F water Klamath Falls – a geothermal community – 600 wells – district heating system heating 20 buildings, snow melt system, 4 acres of greenhouses, swimming pools. 86 MWt capacity – 200 billion Btu/yr

3. WHAT WE DO BEST Information dissemination, outreach and technical assistance activities on: –Direct-use of geothermal energy (space heating and cooling, greenhouse and aquaculture pond heating, industrial uses, spas and swimming pool heating) –Geothermal heat pumps (ground-source heat pumps) –Small scale/low temperature power plants Feasibility studies, preliminary design, cost analysis, legal/institutional issues, site visits, trouble shooting, advice on use of resources

4. SERVICES I Information dissemination –Data base of 12,000 wells and springs in 16 western states –List of geothermal articles on state resources –GHC website: http://geoheat.oit.edu: 80 technical papers 250 Quarterly Bulletin articles Case studies with O & M data and lessons learned Information on direct-use projects in the U.S.

5. Quarterly Bulletin 26/1 Aquaculture covered tank closed loop design

6. Quarterly Bulletin 26/1 Greenhouse closed loop design

7. WEBSITE ACTIVITIES Over 1900 files (320 MB of information) For the year 2004 –Average hits/day 9,000 –Average users/day 1,400 –Average downloaded PDF files/day 2,000 –Average user session time 10 min. 68% of users from the U.S. 10% of users are international 22% of users are from unknown locations

8. State# of Sites Alaska21 Arizona12 California102 Colorado40 Idaho74 Montana34 Nebraska- Nevada329 New Mexico 30 North Dakota - Oregon633 South Dakota 1007 Texas3 Utah26 Washington6 Wyoming21

9. SERVICES II Outreach activities –Training on direct-use applications –Training on geothermal heat pumps (GHP) –Display on various aspects of geothermal –Speakers on various technical subjects Balneology/pool design Snow melting systems Greenhouse design Aquaculture pond design Heating system design including GHP Industrial applications

11. EXAMPLES OF OUTREACH Geothermal heat pump seminar, Boise, ID Energy Conference, Pisa, Italy Energy Conference, Beijing China Geothermal Workshop, New Zealand World Energy Conference, Bonn, Germany Geothermal Resources Council Meetings and Workshops International Summer School Workshops World Geothermal Congress, Turkey GeoPowering the West meetings Power-Gen Renewable Energy Conference Harvesting Clean Energy Workshop Stanford Reservoir Engineering Workshop Aquaculture America Conference Tribal Geothermal Workshop, Nevada ASHRAE – Geothermal Utilization Technical Committee

12. SERVICES III Technical Assistance: Direct-use, GHP, Small-scale/low-temperature power projects –Site visits –Feasibility studies –Preliminary economic analysis –Preliminary design of heating/cooling systems –Presentations to potential developers/users –Equipment recommendations –Referrals to engineer/geologist/reservoir engineer/financial consultants

13. EXAMPLES OF ACTIVITIES I White Pine Charter School, Ammon, ID – feasibility assessment of using GHP Boise City Zoo – feasibility of using the Boise geothermal district heating system Milgro Greenhouses, Newcastle, UT – assistance with analyzing a pump failure Scuba Dive Pool, Wyoming - Heat loss analysis of a dive pool with pool cover recommended using low temp. water

14. EXAMPLES OF ACTIVITIES II Old Brooklyn Brewery, NY – assistance to a HVAC design firm using GHP Eastern Shoshone Tribe, Wyoming – recommendations for use of geothermal resource on the reservation Geothermal Rail Industrial Development, Nevada – recommendations on development of geothermal resources Geothermal Industrial Park, Elko, NV – recommendations for potential users

15. EXAMPLES OF ACTIVITIES III Homeowner, Klamath Falls, Oregon – new DHE design using PEX piping to solve corrosion problem – field installation trial Fish Ponds, Empire, Nevada – testing and design of diffuser tubes for heating ponds Oregon Institute of Technology – assistance with snow melt system design and with solving well pump problems INL – assistance with geothermal direct-uses for a template for the Farm Bill applicants

16. Klamath Falls downhole heat exchangers (DHE) using cross-linked polyethylene plastic pipe (PEX) – replacing black iron pipe to prevent corrosion.

17. STATIC WATER LEVEL STAINLESS STEEL CLAMP 1-IN. PEX DHE #1 1-IN. PEX DHE #2 1-1/2- IN. STEEL PIPE (from old DHE) ACTING AS AN ANCHOR AND CONVECTION PROMOTER STEEL PIPE CLAMP SUSPENDING DHE FROM CASING GROUNDWATER CIRCULATING INTO OPEN BOTTOM OF CONVECTION PROMOTER GROUNDWATER CIRCULATING FROM TEE-PIECE OF CONVECTION PROMOTER WATER FLOW ARROW IN DHE 270 ft 90 ft 8-IN. WELL BORE

18. GEOTHERMAL PROGRAM TECHNICAL ASSISTANCE AND KNOWLEDGE TRANSFER Task Ordering Agreement – NREL –Technical support for developers, operators and end-users –Collection and analysis of operation and maintenance (O&M) data: 5 to 10 –Direct use project case studies: approx. 10

19. WHAT WE CAN DO FOR YOU Task Ordering Agreement (TOA) through NREL – Technical Assistance –Request made by potential developer/users to GPW State Working Groups or State Energy Office. –Request forwarded to NREL who then requests a proposal from GHC –GHC responds with a cost/time proposal –Proposal reviewed by NREL, accepted –TOA negotiated and issued –Work started and completed –Report written at conclusion by GHC

20. THE GEO-HEAT CENTER TEAM John W. Lund, PE, Director/Civil Engineer Andrew Chiasson, PE, Mechanical Engineer/Geothermal Heat Pumps Toni Boyd, Civil Engineer/Computers/ Data Bases/Office Manager Gene Culver, Mechanical Engineer Gordon Bloomquist, Geologist, Institutional/Regulatory Issues/HeatMap© ** over 100 years of combined experience!

21. TO CONTACT THE GHC Geo-Heat Center Oregon Institute of Technology 3201 Campus Dr. Klamath Falls, OR 97601 541-885-1750 geoheat@oit.edu Fax: 541-885-1754 john.lund@oit.edu; andrew.chiasson@oit.edu; toni.boyd@oit.edu; bloomquistr@energy.wsu.edu