- June 01 1989: Gia Lai Electricity Joint Stock Company, formerly known as Gia Lai - Kon Tum Hydropower Company, was established;
- December 22, 1992: Renamed as La Drang 2 Hydropower Company;
- April 20, 1994: Renamed as Gia Lai Hydropower Company;
- October 24, 1995: Renamed as Gia Lai Electricty Company;
- July 30, 2010: Initial Public Offering (IPO) was launched at Ho Chi Minh Stock Exchange (HOSE) with a successfully offered quantity of 26,143,593 shares and average winning bid of VND14,424 per share;
- August 27, 2010: Shareholders' meeting was held successfully for the first time to establish Gia Lai Electricty Joint Stock Company ;
- September 09, 2010: Put into operation under the model of a joint stock company with a charter capital of VND261,435,930,000;
- December 22, 2011: Became a public company under the Document No.4454 UBCK/QLPH issued by the State Securities Commission of Vietnam;
- June 06, 2012: Charter capital was raised up to VND522,871,860,000;
- August 29, 2014: Charter capital was raised up to VND601,302,280,000;
- August 11, 2015: Charter capital was raised up to VND721,560,970,000;
- November 11, 2015: Charter capital was raised up to VND744,903,390,000;
- March 21, 2017: Traded on UPCOM market;
- June 21, 2017: Charter capital was raised up to VND893,883,240,000;
- October 26, 2017: Charter capital was raised up to VND970,912,750,000;
- October 16, 2017: Charter capital was raised up to VND1,941,825,500,000;
- June 24, 2019: Increased charter capital to VND2.038.916.770.000;
- September 11, 2019: Cancelled the transaction registration on the UPCOM market;
- September 19, 2019: Traded on Ho Chi Minh Stock Exchange (HOSE);
- November 04, 2020: Increased charter capital to VND2.202.022.690.000.
- November 13, 2020: Increased charter capital to VND2.711.751.880.000.
- October 11, 2021: Increased charter capital to VND3,037,155,260,000;