Japan's Ministry of the Environment announced April 17, 2018, that the Fifth Basic Environment Plan has been approved by the Cabinet (to be reviewed every 6 years).
It lists six priority strategies, and the first one is the "establishment of a clean economic system." It sets a goal of the "maximum introduction of renewable energy." As specific measures, it mentions the use of hydrogen and locally-produced biomass and the promotion of agricultural solar power plants (solar sharing). (http://tech.nikkeibp.co.jp/dm/atclen/news_en/15mk/042802072/?ST=msbe;%20https://www.env.go.jp/en/policy/plan/basic/pt2.html)