Publication Laka-library:
Nuclear and fossil generation 1985
| Author | EdF |
| Date | 1986 |
| Classification | 2.02.0.00/23 (FRANCE - GENERAL) |
| Front | 
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From the publication:
Jacques LECLERCQ Senior Vice-President and Group Executive Nuclear and Fossil Generation Division Four main points characterize the year 1985. Continuation of Replacement of Oil and Coal by Nuclear Energy. Nuclear-generated electric power now represents 65% of the French national output of electricity and 71 % of Electricité de France production. Nuclear power plants generated 32 TWh more than last year, while the generation from fossil-fired plants was reduced by 8 TWh. During 1985, three 1,300 MW PWR units and one 900 MW PWR unit were put into service, and by the end of 1985 the entirety of our nuclear plants in operation had achieved an installed power of 37,000 MW. At the same time, an extensive decommissioning program for fossil-fired facilities was undertaken: 23 units producing 3,000 MW were withdrawn from service, of which three 250 MW units (a total of 750 MW) were placed in long-term layup. These withdrawals from service were accompanied by the reassignment of many of our employees either inside or outside the Nuclear and Fossil Generation Division. Good Availability of PWR Power Plants. For the second year running, the availability of the thirty-two 900 MW PWR units is comparable to the best results worldwide. The energy availability factor reached 83 % in 1985, and the availability factor (time based) was 84%. The 1984 results were 82 and 83% respectively. PWR Power Plants Flexibility. The light control bank (G mode) is now fitted to twenty-five 900 MW units and enables both load following and adjustment of the grid frequency. The number of nuclear power plants in operation has led to wide use of this device. Commissioning the first 1,300 MW PWR Prototypes. There were, in 1985, no major incidents. The effect of size did not create any new problems. A few incidents, inevitable for prototypes, caused some unavailability of no gravity on units in operation and a few delays on units under construction. Paluel units 1 and 2 went into commercial operation on December 1, 1985. This overview cannot be concluded without two particular points being raised: • First, the very high availability factor for both the fossil-fired and nuclear plants during the unusually cold period of January enabled us to satisfy peak requirements of up to 60,000 MW, or more than 30% of the maximum needs noted during previous years. • Second, the startup presently in progress of the CREYS-MALVILLE 1,200 MW fast breeder reactor was marked by the first criticality on September 7, 1985, an important date in the history of this type of reactor based on the use of mixed uranium and plutonium oxides and sodium as a coolant.
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