ocr: Bulgaria has modest oil reserves and somewhat larger ones of coal - and natural gas, but still has to import about 71 0% ofits primary energy needs, much ofit from the former Soviet Union. Unreliability of supplies in the past ledto frequent winter power cuts. These have largely disappeared: as decreased - production in heavy industry and improved domestic supply from nuclear sources have lowered - import demand. Bulgaria is partly reliant on nuclear power. Two ofthe four reactors at Kozloduy were upgraded: after criticisms over safety measures, and a new plant is being planned.The first gener ...
