)U/S-•*-{-. \22~^ Statement by the Board and the Managing Director

$)U/S-•*-{-. \22~^ Statement by the Board and the Managing Director$ )U/S-•*-{-. \22~^ Statement by the Board and the Managing Director ANNUAL REPORT AND ACCOUNTS AB Atomenergi was founded in 1947 as a limited company by the By the end of 1972, 85 nuclear power plants incorporating during the 1980's 13 reactor units, each producing utilities, manufacturing industries and other organisations.-Since a total of 100 reactors were in operation throughout the between 900 and 1300 MW, will have to be installed. The Board and the Managing Director of Aktiebolaget 1968 the share capital is held solely by the Government. world. Together, they produced 144 TWh, as compared This would mean that by 1990, 24 nuclear power plants Atomenergi hereby submit the following Report for the The Company is the central organisation for research and with 105 TWh during 1971. In the .industrialized countries, having a total output of 23 600 MW would be in opera year 1972. development in the nuclear energy field in Sweden. The main task of the Company is research and development work in the orders for nuclear power plants have shown an increase as tion in Sweden. nuclear field to support the large Swedish programme, which is compared with previous years. The following diagrams present a breakdown of the based on light water reactors. The Company also has the main In October the Swedish Central Power-Supply Manage installed capacity and energy-source information obtained responsibility for the Government activities to promote techni ment (CDL) presented a study entitled »Electric Power cal and industrial development within the other parts of the nuclear in this study. By 1990, nuclear power is expected to fuel cycle. AB Atomenergi is an expert body to the Government Supply in Sweden, 1975 -1990». Unlike CDL'a previous account for 50%. of the total installed capacity and for on nuclear matters, and represents Sweden in international col studies — the most recent one was published in .1970 — 60% of the total energy production. laboration in the nuclear field. To a considerable extent the this new study also takes up the question of siting future The heated public debate concerning safety and environ Company works on contract basis for customers in Sweden and major power plants. In addition to the present sites of mental questions associated with nuclear power continues abroad. Oskarshamn, Ringhals, Barsebäck and Forsmark, other unabated, and has now spread to Denmark and Norway sites will be needed for nuclear power plants in Bohuslän where plans for the erection of the first nuclear power and Södermanland. The results of this study show that plants in those countries have been made public. Board of directors Rune Hermansson, Chairman Elam Tunhammar, Vice chairman Installed capacity 1975-1990 Energy production 1975-1990 Bo Aler, Managing Director Installed capacity Energy production Harry Brynielsson MW TWh/year 60 000 Lars Edlund (1973) 3G0 John-Olof Edström (1973) Martin Fehrm Sven Jonasson (1972) 60 000 Torsten Magnusson 250 Bo Rydin (1972) Olle Svensson Deputy members 40 000 Bertil Agdur 200 Nils Bonthron Sigfrid Wennerberg 30 000 Representatives of the personnel unions Klas Jirlow (1973) 150 Äke Lindh (1973) 20 000 Deputy representatives Sture Ahlqvist( 1973) 100 Lennart Ekholm (1973) 10 000 50 mmrmsmmtämmmsmmmi Year 1975 1980 1985 1990 i « "^ . m Oil-based con- 1 Gas turbines PUP Combined power ^fly'tl densing power UaS turdmes J fellah aningd plantdistrics tplu heats - Year industrial back 1975 1980 1985 1990 Nuclear power Hydroelectric power pressure From CDL study entitled "Electrial Power Supply in Sweden, 1975-1990" From CDL study entitled "Electrical Power Supply in Sweden, 1975-1990" 3 At the request of ASEA-ATOM, the thermal engineering Development Work on Reactors and Fuel Light Water Reactors tion packages have been sold to Gulf General Atomic, laboratory has developed and produced a 6 MW mobile Kraftwerkunion and others. electric steam boiler intended for use in preliminary trials Investigations of pressure vessel steels have also become During the year, it was necessary to curtail projects funded Special Company resources within the fields of reactor of reactor systems, primarily Ringhals I and Oskarshamn II. more and more safety oriented. The tensile strength of the by the Government because of a reduction in the Company's physics, thermal engineering and materials processing Developmental work in thermal engineering carried out most frequently encountered grade, A533B, has been principal Government grant and because the real value of — including the R2 materials testing reactor and the hot during the year has been oriented more and more towards studied at different temperatures. Embrittlement in welded the amount allocated was reduced by price/wage develop laboratories — have been used primarily for further de safety. Within the scope of the collaborative agreement joints has been investigated with particular attention being ments. velopment of light water reactors and their fuel. entered into with ASEA-ATOM, full-scale experiments in paid to the relationship between structure and resistance On the other hand, developmental work funded from A collaborative agreement within this field of endeav volving the blowing of steam into water pools have bisen to cracking. our has been entered into with ASEA-ATOM. This agree other sources was increased thanks to jointly financed carried out by the Company. Their purpose was to investi Extensive studies have been made of intercrystalline ment covers a period of three years, starting on 1st July programmes and commercial contract work. However, the gate different types of safety valves and study condensation stress-corrosion cracking in stainless sicei and in other 1972. Within the scope of this agreement, measurements cost assignment principles used by the Government do not cycles. Since large amounts of steam were needed to simu iron-chromium-nickel alloys in a sinr«li«ed BWR environ have been made on the KRITZ reactor to determine permit full coverage of costs incurred in connection with late actual conditions, these experiments were conducted ment. The development of methods that hasten these nor power distribution in special fuel assemblies intended contract work carried out for Swedish nuclear power com at Karlshamnsverket. mally very slow phenomena is expected to improve our for boiling water reactors (BWR). Moreover, calculations panies. The resulting deficits impose increasing needs for The second stage in a development project that has been understanding of the corrosion processes. The time elaps have been made on the effects of burnable poisons on Government grants. There is an especially urgent need in progress a number of years on concrete pressure vessels ing until stress corrosion rupture occurs is affected by the reactivity and power distribution in technically advanced for renovation of the resources at Studsvik. for aqueous reactors was concluded during the spring of choice of heat treatment methods, surface finishing BWR cores. The Company has participated in the analy Dwindling allocations have led to a more intense con 1972. This work, which was carried out with other inter methods, etc. Evidence has also been acquired confirm sis of reactor physics measurements carried out at the centration of the Company's Government-funded develop ested Swedish and Scandinavian parties, included experi ing the sharply accelerating effects of highly acidic water. Oskarshamn plant with regard to irradiation experiments mental work within the field of light water reactor engineer ments conducted in a 1:3.5 scale model tank and a design Water chemistry investigations have dealt primarily involving fuel assemblies incorporating burnable poisons. ing, particularly with regard to safety problems. study of a 900 MWe boiling water reactor with concrete with the occurrence and deposition of corrosion products Collaboration with the Swedish State Power Board and During the year, a proposal for a new five-year programme vessel. Moreover, plans were laid for a third stage which, by in connection with irradiation in loops in R2 under con Oskarshamnsverkets Kraftgrupp AB (OKG) on the BUXY extending from 1973/74 through 1977/78 was drawn up in means of further verification work (part of which will con ditions that resemble those encountered in a power re computer program for core and fuel cycle calculations collaboration with the Company's Programme Council. cern safety engineering) will provide the basis for commer actor. Methods and equipment used for sampling and has continued. This proposal has not yet elicited any direct statement of cial exploitation. Negotiations are under way with a num analysis of reactor water have been developed. position by the Government. Government budget proposals The Company is carrying out development work as ber of Swedish and foreign parties interested in collaborat Developmental work of fuels for light water reactors for 1973 called for a reduction in allocations for 1973/74 in sociated with the utilization of the plutonium formed ing in carrying out the third stage. The results thus far will be presented subsequently. accordance with the applicable five-year plan, while permit in the fuel of a power reactor which, after processing, achieved have aroused considerable interest, and informa ting the Company to utilize funds made available by the can be re-used. The best way to utilize plutonium is in shutting down of the Ägesta reactor in 1974 for the reno fast breeder reactors, although it can also be used advan vation of resources. This would mean that the Company's tageously in thermal reactors. Interest for re-use in light At the request of ASEA-ATOM a 6 MW electric steam boiler has been developed and manufactured at Studsvik. The boiler will be used for Government-funded activities can be maintained during water reactors has been growing, and it is generally ex pre-testing reactor systems, primarily the nuclear power stations RINGHALS I and OSKARSHAMN II. 1973/74 at the same real level as during 1972/73.

Load more