solar (rooftop, small-scale and large solar PV), biomass12, large and small hydro power plants 1.2 Develop required transmission network infrastructure to enable the integration of renewable energy NDC 2 Implement Demand Side Management (DSM) measures by promoting energy-efficient equipment, technologies, and system improvements in a national Energy Efficiency Improvement and Conservation (EEI&C) programme 2.1 Realize energy saving of 2,603 GWh by phasing out incandescent bulbs as a conditional measure 2.2 Realize energy saving of 5,189 GWh by introducing efficient lighting, fans, refrigerators, and chillers as a conditional measure 2.3 Implement Energy Efficiency Building Code on a mandatory basis 2021-2022It is expected that the implementation of updated NDCs will result in GHG emissions reduction against BAU scenario by 25% in the electricity sector (5% unconditionally and 20% conditionally) equivalent to an estimated mitigation level of 9,819,000 MT unconditionally and 39,274,000 MT conditionally (total of 49,093,000 MT) of carbon dioxide equivalent during the period of 2021-203013 (Figure 4.4.1). 13 The forecasted emissions of the power sector for the period 2021-2030 is 196,373,000 MT as per the BAU scenario of the Long-Term Generation Expansion Plan 2013-2032 of Ceylon Electricity Board published in October 2013 which was the basis of the first NDC commitment.