The confrontation between the central government and Kansai area leaders over the restart of two nuclear reactors in Oi, Fukui Prefecture, has more to do with the growing power struggle between Osaka Mayor Toru Hashimoto and Prime Minister Yoshihiko Noda than with safety or objective attempts to determine how much electricity will be available this summer.

Since February, Kansai Electric Power Co. has revised downward its projected electricity shortages after being grilled by Hashimoto-appointed critics.

On Tuesday, Kepco said that while it currently stands by its projection of a 15 percent shortage, a combination of purchasing electricity from other suppliers, ramping up natural energy use and instituting curbs on power use might actually shrink the projected shortage to 5 percent.