Tepco's losses have been put at ¥781.6 billion ($9.8 billion) for financial year 2012. About half of this stems from the cost of compensation and cleanup; the other half is from the higher cost of generation in Japan's shaken power market.
American nuclear operators posted good performances last year with fewer unplanned shutdowns than any year since 2005 and strong capacity factors across the fleet.
Operation and maintenance work at the Robinson nuclear power plant will be supported by three new robots, recently purchased by plant owner Progress Energy.
The manager of the Kori 1 nuclear power reactor in South Korea has been sacked for covering up a safety-related incident at the plant last month. The plant owner now faces prosecution by safety regulators.