UNLV Renewable Energy Symposium 2009 UNLV Renewable Energy Symposium

Aug 11th, 8:45 AM - 9:30 AM

The way forward: A vision for Nevada’s energy future

Thomas Fair NV Energy

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Repository Citation Fair, Thomas, "The way forward: A vision for Nevada’s energy future" (2009). UNLV Renewable Energy Symposium. 1. https://digitalscholarship.unlv.edu/res/2009/aug11/1

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This Event has been accepted for inclusion in UNLV Renewable Energy Symposium by an authorized administrator of Digital Scholarship@UNLV. For more information, please contact [email protected]. The Way Forward A Vision for Nevada’s Energy Future

Thomas R. Fair Vice President Renewable Energy, NV Energy

Presented to: UNLV Renewable Energy Symposium June 10, 2009 NV Energy, Inc.

Ticker symbol “NVE”

2 NV Energy

Consolidated as single brand Serves 2.4 million Nevadans A Vision for Our Energy Future

3 Three Part Energy Strategy

Increasing investments in energy efficiency & conservation Expanding renewable energy initiatives & investments Adding highly efficient dispatchable generating plants

4 Strategy Leading to:

 Energy independence  Safe, reliable supplies  Predictable prices  Smaller carbon footprint

NVE Shrinking Carbon Intensity lbs CO2/MWh 3000 2500 2000 1500 1000 500 0 2004 2005 2006 2007 2008

5 Guiding Vision

To be the premier provider of energy for Nevada

6 Investing in Energy Efficiency

435 million kWh saved Enough for 34,000 homes Carbon cut by 278,000 tons

7 Energy Efficiency Programs

$55 million invested 7 million CFLs since 2003

8 Renewable Energy Commitment

Committed to large & small projects Contracts for over 500 MW Direct investments

9 Nevada Leads the Way

Legislation in 1997 Early commitment to renewables Costly to build but no fuel needed

10 Portfolio Standard

20% of kWh sales by 2015; 25% by 2025 1/4 from energy efficiency & conservation 3/4 from solar, geothermal, wind & other

11 NVE Renewables Portfolio

 35 projects totaling 750 MW; 300 MW in-service; 125 MW under construction  2 of the U.S.’s largest operating solar plants  Nevada leading the way in solar & geothermal  Also adding 200 to 400 MW of wind  Adding 2 PV projects larger than Nellis

12 Growth of Renewable

NVE Renenewable Energy

MWh 1,800,000 1,600,000 1,400,000 1,200,000 1,000,000 800,000 600,000 400,000 200,000 0 2004 2005 2006 2007 2008 Year

13 Existing Solar Plants

: 64 MW thermal Nellis AFB PV : 14 MW(DC) LVVWD PV: 6 projects totaling 3 MW

14 in Nevada

 Mojave Desert is the U.S.’ prime solar resource  Most expensive energy source  Technologies improving  Contracts announced for 2 new large PV projects in Clark Co

15 16 Solar Energy

17 RenewableGenerations

SolarGenerations rooftop photovoltaic . Closing in on 3,000 kW and 500 projects Expanded to include wind and hydro

18 Photovoltaic Plants Don’t Like Clouds!  Minute to minute variability of plant output caused by transient clouds  Solutions needed for smoothing and/or firming solar  NVE seeking DOE funding with SNL and ABB

19 Large-Scale Solar Project Announced

Memorandum of Understanding Experienced developer 250-megawatt plant Thermal solar storage using molten salt

20 Solar Thermal Power Output

MW Typical Solar Output Curve in July 60

50

40

30 with storage 20

10

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hour Normal Solar Output Partly Cloudy Day

21

 Resource not comparable to Great Plains, but some good sites  Plan to add 200-400 MW of wind to our portfolio ~2012  Siting issues: . rough terrain for construction . federal lands & permits . military use of airspace

22 China Mountain Wind Project

 200 MW  80-100 turbines  30,000 acre site west of Jackpot  Partnering with RES Americas

23 Wind Power

 Intermittent - requires balancing by other generation

Typical Wind Output Curve

160

140

120

100

80 MW

60

40

20

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hour Annual Average Output Normal Wind Output - July Example of Actual Hourly Output in July (7/20/07)

24 Geothermal Energy

 Nevada ranks 2nd in resources behind CA  Nevada’s ultimate potential thought to be over 2,000 MW

High Moderate

Source: NREL 25 Geothermal Development

200 MW, 16 plants in-service 3 plants under construction add 120 MW Over 100 MW more under development

26 One Nevada Transmission Line – ON Line

235-mile high-voltage line Connects all of Nevada Facilitates renewable energy

27 Part 3 of Strategy: Dispatchable Clean Generation to Assure Reliable 24x7 Power

• Dispatchable peaking capacity • Units capable of following intermittent solar & wind • 24x7 efficient base-load generation

28 New State-of-the-Art Plants

 Doubled owned capacity since 2006  Highly efficient gas-fired plants  Dispatchable to balance load and intermittent renewable resources

6000

5000 5,700 MW

4000

3000

2000 2,500 MW

1000

0 2006 2008

29 Controllable power supply constantly adjusted up and down to maintain balance with load and uncontrollable sources

Example - July Daily Load Load (MW) 7,000 6,000 5,000 4,000 3,000 2,000 1,000 0

1 3 5 7 9 11 13 15 17 19 21 23 Hour

140.0

Wind 1 120.0 Wind 2 Solar Thermal 100.0 Solar PV

80.0

60.0

40.0

20.0

0.0 1:40 AM 3:20 AM 5:00 AM 6:40 AM 8:20 AM 1:20 PM 3:00 PM 4:40 PM 6:20 PM 8:00 PM 9:40 PM 12:00 AM 10:00 AM 11:40 AM 11:20 PM Uncontrollable wind and solar output

30 Tracy Combined Cycle Plant

541 MW Energy self-sufficiency Top rating by Power Magazine

31 Clark Station Peaking Units

Gas combustion turbines 600 MW Serve peak demand needs

32 Higgins Generating Station

Acquired fall 2008 598 MW

33 Harry Allen Expansion

500 MW 2011 completion date

34 Combined Cycle Generating Plants

Much more efficient than traditional boiler Air-cooled - low water use

35 36