TotalEnergies greenlights Mirny 1 GW wind and 600 MWh BESS in Kazakhstan

Key highlights

Project overview

TotalEnergies has taken final investment decision and secured financing for the Mirny onshore wind and BESS project in southeast Kazakhstan; total investment is $1.2 billion with about 75% externally financed under a Common Terms Agreement.

Technical scope

Mirny combines 1 GW of onshore wind capacity (150 turbines) with a 600 MWh battery energy storage system supplied by Saft, with electricity to be sold under a 25‑year PPA signed in 2023.

Financing and ownership

The lending consortium includes EBRD, Proparco, DBK, DEG, Société Générale, QNB Group, China Construction Bank and Standard Chartered; TotalEnergies holds 60% of the project, with Samruk Energy and KazMunayGas holding 20% each.

Output and schedule

The project is expected to generate roughly 100 TWh over 25 years, enough to supply about 1 million people, and to reach full capacity in 2029.