The protocol was signed by first vice president of Atomstroyexport Alexander Nechayev and the Director General of JNPC.

The protocol on the completion of the guarantee maintenance of the 1st unit was signed in June 2009.

The guarantee maintenance has proved the efficiency and safety of Tianwan nuclear power plant. Both reactors are operating stably at a capacity of 1,060 MW and are showing high efficiency. Since its launch, the plant has generated over 30 billion kWh.