📈 EVs and the Grid: Data Debunks Peak Demand Concerns

New real-world data from Volt Charge Sri Lanka challenges assumptions regarding the impact of electric vehicles (EVs) on the national grid, suggesting that actual demand is significantly lower than theoretical estimates. • Peak Demand Reality: While some estimates suggested EV charging adds up to 300 MW to the 6:00 p.m.–10:00 p.m. peak, scaled network data shows a national 72-hour interpolated peak of just 3.13 MW. • Charging Scenarios: Even under a theoretical "extreme" scenario where 100% of the fleet charges simultaneously, demand would reach ~165 MW—well below the 300 MW cited in recent public discourse. • Sector Composition: The impact is moderated by the high volume of two-wheelers and three-wheelers in the registration mix, which require significantly less power than cars or SUVs. • Grid Stability & Efficiency: EVs are positioned as a solution for grid balancing. They can absorb excess solar energy during the day and utilize off-peak capacity at night through "smart charging" and Time-of-Use (ToU) tariffs. • Energy Conversion: Despite 58% of electricity being fossil-fuel based, EVs offer 60-90% efficiency in energy conversion compared to 15-30% for internal combustion engines, reducing overall national fuel dependency. _Note: Estimates are based on scaled data from Volt Charge and JB Securities registration trends as of April 2026._