Mighty River Power is a step closer to completing its $430 million Nga Awa Purua geothermal power station and has lodged consents for another $400 million geothermal station at Ngatamariki, near Taupo.

The state-owned company said testing at Nga Awa Purua was conducted over the weekend and electricity was added to the national grid.

The 132 MW station north east of Taupo, is a joint venture between Mighty River and the Tauhara North No. 2 Trust and is a welcome new addition to electricity reliability to the peak North Island, the company said.