Posco Energy
| Industry | Electricity | 
|---|---|
| Founded | 1969 | 
| Headquarters | , | 
Key people  | Ko Seong-Sick (Chief Executive Officer)  | 
| Products | Electric power LNG fuel cells  | 
| Revenue | KRW 1,917,600,000,000 Won (2011) | 
| KRW 46,100,000,000 Won (2011) | |
| Total equity | KRW 233,300,000,000 Won (2011) | 
Number of employees  | 630 | 
| Parent | POSCO | 
| Website | eng | 
POSCO Energy is the largest private energy producer in South Korea. It is a member of the POSCO consortium, and was established in November 1969, in South Korea as the nation's first private electricity supplier. The main businesses are in coal-fired power generation, fuel cells, liquid natural gas (LNG), and off-gas power.
With the completion of construction on the Incheon LNG combined cycle power plant in 2012, POSCO Energy will have 3,300 MW of power generation facilities.
It is headquartered in Seoul, South Korea.
According to the group policy, it was merged into POSCO International as of January 1, 2023.