NPPD’s Ainsworth Wind Energy Facility & Current Wind RFP

Wind Power 2008 ConferenceNovember 11, 2008Dave Rich

o Revenue - $781 Million

o 18.8 billion kWh sold

o 2,226 employees

o 3,132 MW of generation, 5100 miles of transmission

o Primarily a wholesale power supplier to municipalities, other public power districts and cooperatives

o Average Retail – 6.21¢

o Average Firm Wholesale – 3.93¢

o Provides almost ½ the electricity consumed in Nebraska

o Nebraska has consistently been among the 10 lowest cost states for electricity

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2%Oil

20%Natural Gas

20%Nuclear

7%Hydro2%

Wind/Solar/ Geo Thermal

49%Coal

National 2006

9%Hydro*

6%Purchases

24%Nuclear 4%

Natural Gas & Oil

57%Coal

1%Wind

NPPD 2007

* Includes hydro purchases from the federal government

34% Non-CO2 Emitting

29% Non-CO2 Emitting

Fuel Mix for ElectricityPercent by Resource

Large site – can optimize wind turbine placement

Close to existing transmission that can support the wind facility with minimal added costs

Based on wind monitoring at more than 8 sites

Minimal disruption to existing land use

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Positive support from local community and KBR Rural Public Power District

No significant environmental impacts

◦Bird monitoring

◦Beetle strategy

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60 MW Total (59.4)

◦NPPD – 32 MW

◦ Jacksonville Electric Authority – 10 MW

◦Omaha Public Power District – 10 MW

◦Municipal Energy Agency of Nebraska – 7 MW

◦City of Grand Island – 1 MW

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Facility Design:◦ 36 Vestas 1.65-megawatt turbines

◦ 269 foot (82m) rotor diameter

◦ Tubular steel towers - 230 feet (70m)

◦ Total Cost: $81.3 Million

◦ Employees: 6 Technicians

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12Blade Repair IssueBlade Repair Issue

Bearing with spinning race on high speed shaft

Lifting device developed by VESTAS

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NPPD Board Strategic Goal

◦NPPD will evaluate all forms of renewable resources feasible in Nebraska and incorporate them in the total mix of NPPD-owned generation and contract purchases, with a goal of achieving 10% of our energy supply for NPPD’s native load from renewable resources by 2020.

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Target of adding 80 MW of wind-powered generation in 2010

Assuming the extension of Federal Production Tax Credits, lowest cost option is PPA

November 2008 - Plan to issue RFP

Spring 2009 - Proposals due

Fall 2009 – PPA Complete

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Numerous project developers have acquired land and transmission interconnection queue positions

RFP will identify two NPPD sites

◦Transmission studies manageable

◦NPPD can select either or both sites

Will allow proposals that utilize land that is under NPPD or private control at these two sites

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