1. Current Trends in Renewable Energy:
IPED COAL POWER CONFERENCE
Current Trends in Renewable Energy:
Tangible and Intangible Benefits
January 18-19, St. Petersburg, FL
presented by
David L. Patton, P.E.
R. W. Beck, Inc.

2. Which Renewable Candidates are Realistic Now?
Wind
Biomass
Fuel Cells
Geothermal
Hydro
Ocean (Tidal, OTEC)
Solar (PV, Thermal)

3. Renewable Energy Capacity Trend, 1999 - 2006
Geothermal
Solar
Wind
Biomass (Total)
Wood/Wood Waste
MSW/Landfill Gas
Other Biomass
14,000
12,000
10,000
8000
Installed Capacity, MW
6000
4000
2000
2000
2001
2002
2003
2004
2005
2006
Year
Source: U.S. DOE EIA, August 2005

4. U.S. Renewable Electric Generating Capacity 2005
Coal
23%
Nuclear
Biomass 8%
46%
Natural Gas
23%
Renewables 6%
Conventional Hydroelectric
46%
Geothermal 5%
Wind 2%
Petroleum Fuels
Solar
40% 1%
Source: U.S. DOE EIA, January 2007

5. Wind Energy – Tangible Benefits
No Fuel Price Uncertainty
No Fuel Cost
Low Operating Cost
Relatively Less Complex
Mature Wind Turbine Technologies
Addresses Environmental Issues
Lease Payments Support Family Farms
Government Financial Incentives & Grants

6. U.S. Annual Average Wind Resources Map
Source: NREL

7. U.S. Annual Wind Generating Capacity: Installed and Projected
3500
3250
3000
2750
2500
2250
2000
1750
MW Installed During Year
1500
1250
1000
750
500
250
1981
1983
1985
1987
1989
1991
1993
1995
1997
1999
2001
2003
2005
2007 (projected)
Source: U.S. DOE Wind Energy Program and AWEA

8. Biomass Energy – Tangible Benefits
Lower Fuel Costs
Addresses Environmental Issues
Domestic Sources
Local Economic Benefits
Mature Biomass/Biogas Process Technologies
Government Financial Incentives & Grants

9. Biomass Resource Availability
Biomass Fuel for Generation is Widespread Within Most States
MA, CT, RI, NJ, DE, MD, DC
States with Renewable Portfolio Standards (RPS) / Goals
Source: NREL and PEW Center, Global Climate Change

10. States with Renewable Portfolio Standards (RPS) / Goals
Source: NREL and PEW Center, Global Climate Change

11. Intangible Benefits – All Renewables
Positive Public Image
Desire for Diversified Portfolio
Public Support/Perception
Political Support
Greenhouse Gas Drivers
Energy Independence / Security
Offset Emissions from “Dirtier” Energy Sources

12. RPS Goals vs. Renewable Status
RPS Year
RPS / Goal*
Arizona
2025
15%
California
2010
20%
Colorado
2015
10%
Connecticut
Delaware
2019
District of Columbia
2022
11%
Hawaii
2020
Illinois*
2013 8%
Iowa
2007
105 MW
Maine
2000
30%
Maryland
7.5%
Massachusetts
2009
4.0%
RPS Year
RPS / Goal*
Minnesota
2015
10%
Montana
15%
Nevada
20%
New Jersey
2021
22.5%
New Mexico
2011
New York
2013
24%
Pennsylvania
2020
18%
Rhode Island
Texas
5,880 MW
Vermont
2012
Washington
Wisconsin
* As a percent of state generation or actual generation / use.
Source: U.S. DOE EIA & PEW Central Global Climate Change, December 2006

13. Summary Realistic Renewable Candidates
Renewable Energy Capacity Trends
Recent Renewable Capacity
Wind Energy – Tangible Benefits
Biomass Energy – Tangible Benefits
Intangible Benefits – All Renewables
RPS Goals

14. Electricity Generation by Fuel, 1980-2030 (billion kilowatt hours)
4000
History
Projections
Coal
3000
2000
Natural Gas
1000
Nuclear
Renewables
Petroleum
1980
1990
2005
2020
2030
Source: U.S. DOE EIA

15. Conclusions
Biomass and Wind are Currently the Most Commercially Realistic Renewables
25,000 to 50,000 Megawatts New Renewable Energy Capacity Nationwide in Next Decade
Policy Consistency and Continuity

16. Questions David L. Patton, P.E. IPED COAL POWER CONFERENCE
R. W. Beck, Inc.
(508)