The Duck Curve#engie
PJM accepts two ENGIE batteries and a gas uprate on its fast track
PJM Interconnection said on October 8, 2026 that it accepted the first three projects in its Expedited Interconnection Track: ENGIE IR Holdings' Wayne 345 kV (860 MW) and Galion 345 kV (800 MW) battery storage projects in Pennsylvania and Ohio, and a 455 MW upgrade of an existing gas facility, Hunterstown 500 kV, in Pennsylvania. All three are slated for mid-2029; the track takes up to 10 requests a year in 2026 and 2027 and sunsets at the end of 2027.
ENGIE's storage fleet reaches 10.7 GW operating or under construction
ENGIE said on September 4, 2026 that its storage portfolio in operation and under construction has reached 10.7 GW worldwide, counting batteries and pumped-storage hydropower, with 4.7 GW in Europe and 4.4 GW in the United States. July and August 2026 added 1.1 GW / 3.3 GWh of European battery projects across seven countries, led by a 758 MW / 2,156 MWh Polish portfolio assembled through two acquisitions and one adjacent development, scheduled for commissioning in 2028 and 2029.
