Shareholders have turned out in record numbers to a meeting of TEPCO, with protesters expressing anger and frustration with the operator of the crippled Fukushima nuclear power plant.

Anger against the company has intensified, after it released an in-house report into the disaster, in which it denies ever hiding information and blames the Japanese Government for confusion and delays.

In its 352-page report, TEPCO also claims that on March 13, less than 48 hours after a massive tsunami slammed into the Fukushima nuclear plant, it dispatched employees to the village of Namie, just a few kilometres north-west of the plant, and right in the path of the approaching radioactive plume.

But Tamotsu Baba, the mayor of Namie, has told the ABC's AM that claim is a lie.

"TEPCO's report says that on the 13th of March their employees visited our offices to explain the situation," he said.

"We were never visited by anyone from TEPCO. Nor was the situation explained to us.

"I feel they are liars. TEPCO's report makes me angry."

In its report, the operator of Fukushima denies ever hiding information, blames the government for confusion and delays, and rejects suggestions it ever downplayed the seriousness of the meltdowns.

It does acknowledge that its tsunami safeguards were insufficient, but it says no-one could have foreseen such a massive tsunami.

But in 2004, a seismology professor told a cabinet committee that Fukushima's coast was vulnerable to tsunamis more than twice as tall as the six metre worst case forecast.

In 2008, TEPCO officials rejected as unrealistic an internal report warning that the plant could be threatened by a tsunami of more than 10 metres; again in 2009, a tsunami expert warned that huge earthquakes and tsunamis had hit the Fukushima coastline in the past and that it might happen again.

In its in-house report into last year's disaster, TEPCO denies it hid information from the public and the government, denies it played down the extent of the meltdowns, denies it ever considered abandoning the plant, and blames government interference for delays and confusion.

Namie Mayor Tamotsu Baba, believes TEPCO's report is a whitewash.

"I feel the report is about protecting the company," he said.

"They are trying to exonerate themselves. I have nothing but doubts about this report."

Namie remains abandoned, its 22,000 residents living in temporary housing, unsure if or when they can ever return.

The ABC approached TEPCO about Mayor Baba's claim that the company is lying.

In response TEPCO gave us a one-line statement saying it stands by its report, but failed to provide details of who it sent to Namie and who they spoke to from the town's office.

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