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Extra info for Projected Costs of Generating Electricity: 2005 Update
Sample text
6 100% Invest. 6 26% a. Economic lifetime assumed to calculate levelised costs if different from 40 years. qxp 21/02/05 11:48 Page 53 Chapter 4 Generation Costs of Wind, Hydro and Solar Power Plants This chapter gives an overview on the costs of electricity generation for the wind, hydro and solar power plants considered in the study. The generic framework and assumptions adopted to calculate levelised generation costs for those plants have been adapted to reflect their specific characteristics.
The difference between gas and nuclear is less than 10% in the United States and Japan and for one plant in Switzerland. 10 – Overnight construction costs of coal-fired power plants PlantAbbrev. 4 340 500 160 9 720 5 160 16 000 5 500 3 360 539 1 096 666 656 540 638 1 208 11 200 5 400 569 188 868 209 276 072 353 187 581 200 518 617 1 254 762 750 618 729 1 381 308 149 398 608 193 308 164 508 175 453 539 1 096 666 656 540 638 1 208 269 130 348 531 169 1 176 1 249 1 936 1 331 1 294 1 233 1 393 1 270 938 1 373 1 716 1 316 1 351 1 298 1 172 1 215 1 208 PF/FGD, SCR, ESP PF/FGD, SCR, ESP PF/FGD, SCR, ESP 800 1 000 1 600 223 500 997 299 143 675 1 877 798 1 150 1 641 697 1 005 2 347 798 719 PF, lignite/de SOx, de NOx PF, lignite/de SOx, de NOx, particles PF/FGD FBC/ns 600 296 3 852 466 – – 37 721 4 506 892 314 5 232 625 780 274 4 573 546 1 487 1 060 1 358 1 341 a.
In the light of the uncertainties in cost elements, in particular projected fuel prices but also projected O&M costs and even investments and expense schedules, differences of less than 10% in levelised generation costs of alternatives cannot be considered significant. qxp 21/02/05 11:47 Page 47 In seven countries for one or more combinations of plants, nuclear is cheaper than coal with a margin of 10% or more. Coal is cheaper than nuclear by a margin of 10% or more in one case in the United States.