This is update on February 28th.
On February 28th, Noppon Paper released announcement it stop to develop the Akita Biomass Power Plant which it was planning to build in Akita-city.
This is the 13th proposal project being canceled since we started tracking coal power plants in 2012.
Here is the official announcement of Nippon Paper (Japanese only)
Nippon Paper abandons plan for Akita Mill coal-biomass plant:
Cancelled coal projects now number 13 units (7GW) in Japan since 2012（Link)