Oct 26 (Reuters) - Iberdrola SA IBE.MC :
* UNIT INFIGEN AGREES WITH TRANSGRID TO MANAGE A 50 MW BATTERY STORAGE SYSTEM IN WALLGROVE, AUSTRALIA, OVER THE NEXT 10 YEARS
* WALLGROVE WILL BE OWNED AND BUILT AND MAINTAINED BY TRANSGRID AND COMMERCIAL OPERATIONS ARE EXPECTED TO BEGIN IN THE SECOND HALF OF 2021