31. A sabotaged nuclear power reactor would be even more dangerous than a radiation bomb, he said. 32. But the Russians refused to scrap a contract to build one nuclear power reactor in southern Iran. 33. It has 51 commercial nuclear power reactors that provide the country with one-third of all its electricity. 34. Russian officials have said they might sell Tehran up to four nuclear power reactors for the plant. 35. The WNA reactor database contains information on past, present and future nuclear power reactors across the world. 36. More confrontations and political wrangling followed, but the Brokdorf nuclear power reactor eventually started operation in October 1986. 37. He was instrumental in the design of the first nuclear submarine and the first commercial nuclear power reactor . 38. The report also expressed concerns that Russia has contracts to sell nuclear power reactors to Iran and India. 39. As of 2012, countries such as Norway have no nuclear power reactors and remain opposed to nuclear power. 40. North Korea has long been suspected of developing nuclear weapons using plutonium harvested from its nuclear power reactors .