This appendix contains detailed tables providing the values for the assumptions discussed in Chapter 2. A brief discussion is also provided for each table. For more detailed information on what the values mean and how they are used, please refer to the NEMS electricity model documentation available on EIA's web site at http://tonto.eia.doe.gov/reports/reports_kindD.asp?type=model%20documentation

Cost of Capital

Table C1 gives the cost of capital values used in capacity expansion decisions. The capital costs for all new plants are assumed to be recovered over 20 years.

Annual Renewable Portfolio Share Required

Table C2 gives the annual nonhydroelectric renewable portfolio standard requirement in the CECA Competitive case for the years 2000 to 2020. The shares used are equivalent to those used in the Supporting Analysis, which increase more rapidly between 2000 and 2005 than is required in the proposed Comprehensive Electricity Competition Act.

Plant Outage Improvements

Table C3 gives a description of the plant types. Table C4 shows the planned and forced outage rates, capacity credit and maximum capacity factors used for each plant type in the CECA Reference and Competitive cases.

Plant Heatrate Improvements

Table C5 gives the assumed target heatrates from the Supporting Analysis used in the NEMS CECA Competitive case. In the Supporting Analysis each existing plant was assumed to improve toward the target for its plant group. The improvement occurs over the period 1998 to 2010. Each plant (or plant group) is assumed to improve by 60 percent of the difference between its current heatrate and its group target. To put these values in context, the current average heatrates for coal plants falling into the Coal Steam Pre-1965 category is 12,128 Btu per kilowatthour. As a result, the 10,300 Btu per kilowatthour target is 15 percent below the current average.

Plant Operations and Maintenance Cost Improvements

Table C6 gives the targets for fixed operation and maintenance costs from the Supporting Analysis that were used in the NEMS CECA Competitive case. The improvement occurs over the period 1998 to 2010. Each plant (or plant group) is assumed to improve by a percentage (given in the "Percent to Target" column below) of the difference between its current heatrate and its group target.

Transmission and Distribution Service Cost Improvements

Table C7 provides the factors used to adjust transmission and distribution services to match the cost improvements assumed in the Supporting Analysis. These factors were incorporated in the NEMS CECA Competitive case.

Demand Reductions From Energy Efficiency Investments

Table C8 provides the electricity demand reductions assumed in the Supporting Analysis and incorporated in the NEMS CECA Competitive case. These result from investments in energy efficiency using the CECA Federal Public Benefits Fund.

Cogeneration

Tables C9 and C10 provide the incremental cogeneration assumed in the Supporting Analysis and incorporated in the NEMS CECA Competitive case.