Question: What is the name of this Australian generation, electricity and gas retailing private company that is owned by Hong Kong-based Chow Tai Fook Enterprises and operated and maintained the Northern Power Station in Port Augusta? 

Context paragraphs:
Northern Power Station (South Australia): Northern Power Station is located in the locality of Port Paterson in the Australian state of South Australia about 6 km south of the city centre of Port Augusta.  It was coal powered with two 260 MW steam turbines that generated a total of 520 MW of electricity.  It was operated and maintained by Alinta Energy and was commissioned in 1985.  Northern received coal by rail from the Leigh Creek Coal Mine, 280 km to the north.  The plant ceased electricity production in May 2016 and decommissioning is underway.

Alinta Energy: Alinta Energy is an Australian generation, electricity and gas retailing private company that is owned by Hong Kong-based Chow Tai Fook Enterprises.  Alinta Energy has an owned and contracted generation portfolio of up to 1,957 MW, approximately 800,000 combined electricity and gas retail customers and around 450 employees across Australia and New Zealand.

Baha Mar: Baha Mar is a resort under construction on the island of New Providence in the Bahamas, owned by Chow Tai Fook Enterprises (CTFE).  Planned amenities include three hotels – , Grand Hyatt at Baha Mar, SLS Baha Mar, Rosewood at Baha Mar – with 2,200 rooms, 284 private residences, a 100000 sqft casino, a 30000 sqft spa, and the Tournament Players Club at Baha Mar golf course designed by Jack Nicklaus.

New World First Ferry: New World First Ferry Services () (in short New World First Ferry, First Ferry or NWFF) is a ferry service company in Hong Kong.  The company was established in November 1999, when it took over the eight licensed ferry routes transferred from Hongkong and Yaumati Ferry in January 2000.  It is jointly owned by Chow Tai Fook Enterprises and NWS Holdings.

Chow Chi Yuen: Chow Chi Yuen (; 1900-1971) was born in Shunde, Guangdong, China, is a Chinese entrepreneur and the founder of Chow Tai Fook Jewellery Company.  He was the father-in-law of Cheng Yu-tung, chairman of New World Development.

Chow Tai Fook: Chow Tai Fook Enterprises Ltd. () is a Hong Kong conglomerate company engaged in the property development, hotel, casino, transportation, jewelry, port and telecommunications businesses.  It is ultimately owned by Cheng Yu-tung's Family.

Playford B Power Station: Playford B Power Station was located at Port Paterson in the Australian state of South Australia about 5.5 km south of the city centre of Port Augusta.  It was coal powered with four 60 MW steam turbines that generate a total of 240 MW of electricity.  Playford B received coal by rail from the Leigh Creek Coal Mine, 280 km to the north and draws cooling water from Spencer Gulf, returning it to the sea at an elevated temperature.  Commissioned in 1963, it was co-located with the larger, newer Northern Power Station.  Playford B was mothballed in 2012 and its permanent closure was announced by operator Alinta Energy in October 2015.  Prior to being mothballed it primarily operated in the summer, when electricity demand peaks.

Adrian Cheng: Adrian Cheng Chi-kong (Chinese: 鄭志剛, born in 1979), founder of K11 and K11 Art Foundation, Executive Vice-chairman and Joint General Manager of New World Development, and executive director of Chow Tai Fook Jewellery Group, is a business tycoon and cultural entrepreneur in Hong Kong, also a well-known art patron.

EnergyAustralia: EnergyAustralia (former name: TRUenergy) is an electricity generation, electricity and gas retailing private company in Australia that is owned by Hong Kong-based and listed CLP Group.  EnergyAustralia also has a portfolio of generating sites using thermal coal, natural gas, hydro-electric, solar energy, and wind power.

Playford A Power Station: Playford A power station was the first power station built by the Electricity Trust of South Australia at Port Paterson, South Australia near Port Augusta in South Australia.  It was built in the early 1950s to generate electricity from coal mined from the Telford Cut at Leigh Creek and transported 250 km by rail.  It was joined by the Playford B Power Station soon after, and the Northern Power Station in 1980.

Supporting paragraphs: Northern Power Station (South Australia) Alinta Energy
Answer: Alinta Energy