Table:
text: Tianwan Nuclear Power Plant
Reactors
Reactors
Unit Reactor_type Net_capacity Gross_capacity Construction_started Electricity_grid Commercial_operation Shutdown_
Tianwan-1 VVER -1000/428 ( AES-91 ) 990 MW 1,060 MW 20 October 1999 12 May 2006 17 May 2007 —
Tianwan-2 VVER-1000/428 (AES-91) 990 MW 1,060 MW 20 October 2000 14 May 2007 16 August 2007 —
Tianwan-3 VVER-1000/428M (AES-91) 1,050 MW 1,126 MW 27 December 2012 2018 — —
Tianwan-4 VVER-1000/428M (AES-91) 1,050 MW 1,126 MW 27 September 2013 2018 — —
Tianwan-5 CNP-1000 1,000 MW 1,080 MW — — — —
Tianwan-6 CNP-1000 1,000 MW 1,080 MW — — — —
Tianwan-7 VVER-1200 1,150 MW 1,200 MW — — — —
Tianwan-8 VVER-1200 1,150 MW 1,200 MW — — — —

Question: TIANWAN NUCLEAR POWER PLANT, what type of reactor has a commercial operation of – and a TIANWAN-7 UNIT?

Question: With a gross capacity of 1,126 MW and one unit of Tianwan-4 for Tianwan Nuclear Power Plant, what was the net capacity?

Question: Which commercial operation has gross capacity of 1,126MW and one unit of Tianwan-4 under Tianwan Nuclear Power Plant?