Keselamatan Jaminan tenaga, bekalan yang andal, sistem berdaya tahan dan kesediaan nasional jangka panjang. SAIDI SAIFI SARFI Grid System Operation System Average Interruption Duration Index Gambaran Keseluruhan SAIDI Formula System Average Interruption Frequency Index Gambaran Keseluruhan SAIFI Formula System Average RMS Frequency Index Gambaran Keseluruhan SARFI Formula Grid System Operation Tentang Grid System Operation Kod Malaysia