Compare the whole job
Fuel and charging
Diesel fuel is visible because it arrives in litres. Battery charging is less visible, but still needs a price per kWh and a clear plan for where charging happens.
Service and handling
Generators need servicing, refuelling, checks, and safe fuel handling. Battery systems still need planning, transport rules, charging, and handover instructions.
Right-sized equipment
Oversizing can hide planning problems but increase cost. Undersizing can cause nuisance trips, poor runtime, or urgent replacement on site. A useful quote starts with the real load profile.