NATIONALPower cut schedule from 20 and 21 September September 20, 2022September 20, 202227 Share0 (UTV | COLOMBO) – The Public Utilities Commission of Sri Lanka has approved one hour and 20 minute power cuts tomorrow (20) and on Tuesday (21). Accordingly, groups A to L and P to W will experience power cuts between 6pm and 10pm.