Nepal exports electricity. Why does it still import power for part of the year?
Read the seasonal electricity balance behind EV charging, and distinguish hydropower, annual trade totals and emissions at the vehicle.
NEA reports both electricity exports and imports in the same year. Nepal can send power abroad during a surplus and buy it when supply falls short. The timing is what makes those two entries compatible.
For EV readers, this distinction matters. It explains why “runs on Nepal's hydropower” is a useful starting idea but not a complete description of every charging session. It also points to the work needed as transport demand grows: dependable generation, distribution capacity and sensible charging times.
Read both sides of the annual account
NEA's 2025/26 annual report reports 3,965 GWh exported and 1,171 GWh imported. The statistical appendix marks the latest year as provisional, meaning the figures may be revised. These are annual electricity quantities, not a claim about the source serving an individual charger at a particular hour.
Subtracting imports from exports gives 2,794 GWh of net exports for that year. That arithmetic is useful for describing the annual balance. It does not mean imported electricity was unnecessary when it arrived, nor that every exported unit was available to charge cars later.
A gigawatt-hour is a million kilowatt-hours. Keeping those units straight prevents a national power-trade number from being confused with an EV battery's capacity or a charger's power rating.
River flow changes the supply
Many Nepal hydropower plants depend on river flow rather than a large reservoir that can shift substantial generation between seasons. Generation can be abundant during high-flow months and lower in the dry period. Demand, plant availability and transmission constraints also influence the balance.
NEA's public explanations discuss seasonal electricity trade and tariff categories. An annual surplus is therefore not proof of unlimited electricity at every place and time. A distribution transformer serving a busy neighbourhood can face local limits even when the national system is exporting elsewhere.
The same distinction applies to solar. Daytime output can complement other generation, but a rooftop array does not produce electricity during every overnight charging session. Storage or the grid handles the difference if the system is designed for it.
How much electricity does one car add?
Consider an assumed 12,000 km a year at 16 kWh per 100 km. The battery uses 1,920 kWh. If home charging is 90% efficient, the meter supplies about 2,133 kWh annually, averaging roughly 5.8 kWh a day.
For 1,00,000 cars with those exact assumptions, annual electricity is about 213 GWh. This is a scale illustration, not a forecast of Nepal's fleet. Actual mileage, vehicle efficiency and charging arrangements would differ, especially for taxis and larger commercial vehicles.
The average also hides timing. If many cars begin charging at the same evening hour, their combined power demand is different from spreading the same energy across a longer parking window. National annual energy and neighbourhood peak demand are separate planning questions.
A car needing 6 kWh overnight might obtain it in about two hours at 3 kW or one hour at 6 kW, before relevant losses and limits. Both add similar energy; they draw different power while operating. A faster charger is not automatically better for a building with limited spare capacity.
Tailpipe emissions and electricity emissions need separate labels
A battery EV has no combustion exhaust while driving. That can reduce roadside exhaust pollution where it replaces a petrol or diesel vehicle. Tyre and road wear remain, and the electricity and vehicle were produced somewhere.
A full life-cycle assessment includes manufacture, battery production, electricity supply, maintenance and end-of-life treatment over a stated distance. It needs evidence for the mix and period being studied. A yearly hydro-dominated system does not justify claiming zero life-cycle emissions for an individual car.
Imported power should not automatically be assigned one emissions figure without knowing the accounting method and supply context. Likewise, an EV comparison copied from another country's coal-heavy grid may poorly represent Nepal. The right study makes its assumptions visible rather than choosing the grid description that produces the preferred answer.
The policy question is larger than private cars
Nepal's NDC 3.0 sets electrification targets for private and public transport, with financing conditions. Those ambitions increase the importance of route, depot and local supply planning.
A public vehicle can move many people with one traction system, but its energy use must be matched to service hours and occupancy. A depot can also offer more control over charging than a dispersed private fleet. Whether that improves the peak depends on the schedule and the available connection.
For a building committee, start by finding the spare supply capacity and the hours cars remain parked. Sharing an agreed charging limit may meet residents' energy needs with less peak demand than a powerful unit running independently in every bay. The local NEA office and electrical designer need those details even in a year when national exports exceed imports.