http://en.wikipedia.org/wiki/Hiromichi_Tanaka
This is the source apparently so sounds like its pretty much a solid one.
Here is the translation from google translate of the above japanese post.
Hello! Today morning, a meeting was held to consider the resumption by the people concerned.
Aggregate data is in earnest or how much power savings were now a group company.
The result, we have continued to discuss what further support the possibility that in consideration of the current power situation.
Please give us more time to determine the official measures. Thank you.