[TSMC and Chengxin Green Energy sign an agreement to buy 20000GWh Renewable Energy] TSMC announced that it has signed a long-term agreement to purchase 1000GWh renewable energy, a total of 20000GWh, from a subsidiary of Taiwan's Chengxin Green Energy Company (Ark Solar Energy) every year for 20 years. TSMC will subscribe to 500GWh every year and invite suppliers to jointly subscribe for another 500GWh. Chengxin Green is expected to provide electricity with a total installed capacity of 2GW within 3 years.