Duke Energy 2006 Annual Report Download - page 19

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Balancing supply and demand
When you flip that light switch, adjust your air conditioning, turn your television on or boot up your computer, you expect
power. But do you think about where it comes from? Duke Energy generates electricity from a variety of fuels: coal, natural
gas, nuclear and renewable hydroelectric sources. Energy efficiency, the “fifth fuel,” is also part of the mix. This diversity
means that we’re not overly dependent on any single fuel, and it helps us address fuel price fluctuations and environmental
risks. We must also keep our fuel mix in balance to meet steadily growing demand. This is all part of the company’s Integrated
Resource Plan, which determines the best options to meet our customers’ electricity needs over the next 20 years. Using
input from many stakeholders, we update the plan periodically with the goal of finding the most efficient and economical
resources — both in power generation and in energy efficiency — to meet future demand.
JANICE HAGER IS MANAGING DIRECTOR OF INTEGRATED RESOURCE PLANNING FOR DUKE ENERGY.
HER TEAM ENSURES THAT DUKE ENERGY’S SUPPLY OF ELECTRICITY KEEPS PACE WITH GROWING CUSTOMER DEMAND
WHILE COMPLYING WITH ENVIRONMENTAL REQUIREMENTS.
DUKE ENERGY 2006 SUMMARY ANNUAL REPORT 17