Irish lender AIB Group plc (<a href="https://www.londonstockexchange.com/stock/AIBG/aib-group-plc/company-page" target="_blank">LON:AIBG</a>) will soon be covering up to 80% of its electricity needs with solar energy as one purpose-built solar farm in County Wexford went online earlier this month and a second one will follow suit in the coming months.