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Cimarron Solar ProjectCimarron Solar Projectjj
Rhonda MitchellRhonda MitchellSenior Government Relations AdvisorSenior Government Relations Advisor
Radioactive & Hazardous Materials CommitteeRadioactive & Hazardous Materials CommitteeAugust 15, 2011August 15, 2011g ,g ,
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Tri-State O iOverview
Tri-State is a not-for-profit, wholesale power supplier owned by 44 electric owned by 44 electric cooperatives and public power districts serving a
l i f i l population of approximately 1.5 million people.
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Tri-State’s mission is to provide reliable, cost-based electric energy to our member systems consistent with cooperative principles
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Tri-State At a Glance
• Annual operating revenue $1 2 billion• Annual operating revenue $1.2 billion
• Assets $3.8 billion
• Average wholesale rate 6.5 cents/kilowatt-hour
• Member peak demand 2,568 megawatts
• Member service territory 200,000 square miles
Employees 1 200• Employees 1,200
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Tri-State Resources
• 1,868 MW Coal-fired Generation• 915 MW Gas/Oil-fired Generation
• 600 MW Federal Hydro Power Purchase450 MW O h P h• 450 MW Other Purchases
• 30 MW Solar PV Purchase51 MW Wi d P h• 51 MW Wind Purchase
5 177 Miles of Transmission Line• 5,177 Miles of Transmission Line
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Typical Daily Consumption Pattern AKA “Load”
Tri-State: December 10, 2009,
E i L d Pi k UEvening Load Pick‐Up:Lighting, Cooking, TelevisionMorning Load Pick‐Up:
Lighting, Heating, Business
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Typical Daily Generation PatternPeaking Gas OilPeaking – Gas, Oil
Intermediate – Hydro, Gas
Baseload – Coal
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RPS Mandates
• Applies to members in Colorado and New Mexico
• 5% renewable energy by 2015
• 10% renewable energy by 2020
• Socialization of cost• Socialization of cost
• Existing Renewables584 MW f WAPA (d ’ )- 584 MW of WAPA (doesn’t count)
- 11 MW Small PPAs (hydro/bio)
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Tri-State Policy 115 – Member Generation• Allows members to provide own generation resources Allows members to provide own generation resources
up to 5% of their total annual load requirements– Distributed generation (DG) or renewable generation
• Tri-State’s Goals:– Facilitate members’ desire for local projects
No rate pressure on Tri-State’s Class A rate up or down– No rate pressure on Tri-State s Class A rate – up or down– Compatible with any rate design– RECs generally used for RPS compliance
• Results to Date:– 10 projects totaling about 11 MW
Small hydro heat recovery and solar– Small hydro, heat recovery and solar
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Cimarron SolarCimarron Solar
• 30 megawatts00 000 hi fil l• 500,000 thin film panels
• 250 acres near Springer, N MN.M.
• 25-year PPA• Online Nov., 2010Online Nov., 2010• Justification
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Ideal Timing
• Great solar resource• Minimal transmission cost
Federal and state incentives• Federal and state incentives• RPS multiplier (3x RECs)• Low-cost solar technologygy• Landowner involvement• Favorable interest rates• Solid partner in First Solar• Integration / Experience• No transmission required• No transmission required
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On a Clear Day ……30 00
25.00
30.00
15.00
20.00
5.00
10.00
0.00
4:48
7:12
9:36
2:00
4:24
6:48
9:12
4 1 14 1 19
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35 00
On a Clear Day ……
25 00
30.00
35.00
15 00
20.00
25.00
5 00
10.00
15.00
0.00
5.00
4:48
7:12
9:36
2:00
4:24
6:48
9:12
4 1 14 1 19
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35 00
Partly Cloudy
25 00
30.00
35.00
15 00
20.00
25.00
5 00
10.00
15.00
0.00
5.00
4:48
7:12
9:36
2:00
4:24
6:48
9:12
4 1 14 1 19
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35 00
Partly Cloudy
25 00
30.00
35.00
15 00
20.00
25.00
5 00
10.00
15.00
0.00
5.00
4:48
7:12
9:36
2:00
4:24
6:48
9:12
4 1 14 1 19
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Fast Ramping (2/24/11)
35 0
30.0
35.0
20.0
25.0
10.0
15.0
0.0
5.0
4:48:00 7:12:00 9:36:00 12:00:00 14:24:00 16:48:00 19:12:00
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Fast Ramping (2/24/11)
30.0
35.0
14:03:38 29.7
20.0
25.0 14:06:11 6.114:10:01 29.0
10.0
15.0
0.0
5.0
14 02 24 14 03 50 14 05 17 14 06 43 14 08 10 14 09 36 14 11 02 14 12 2914:02:24 14:03:50 14:05:17 14:06:43 14:08:10 14:09:36 14:11:02 14:12:29
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2010 S l El t i P A i ti ’ 2010 Solar Electric Power Association’s Utility Solar Rankings
Top 10 U.S. utilities that added most new solar power to their systems last year• Tri-State ranked #6 nationally (30 MW)• Tri-State highest ranked cooperative utility
Ci l t l t i ti l PV j t• Cimarron largest electric cooperative solar PV project• Kit Carson Electric Cooperative (Taos) ranked #2
nationally with 22.2 watts per customer and #4 with nationally with 22.2 watts per customer and #4 with production of 620 kilowatts
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Conclusions
• PV is a credible but not inexpensive resource• PV is a credible, but not inexpensive resource• Tri-State service territory is well suited
– latitude clouds inexpensive land– latitude, clouds, inexpensive land
• Geographically distributed arrays should help fast ramping issuesp g
• PV prices should continue to drop• Fixed array = no moving parts/low maintenance• Few permanent employees
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Questions?Questions?Questions?Questions?
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