||Portable diesel generator set
||Portable Solar generator
||Lower initial cost, high running costs due to fuel consumption
||High initial cost, virtually free for lifetime.
||Require periodic maintenance such as oiling of parts and replacement of moving parts
||Minimum maintenance required due to no moving parts.
||Noisy, smoke discharge and greasy residues.Also harmful for the environment
||Soundless, no discharges.Environmentally friendly.
||Will consume fuel and produce constant energy regardless of load consumption. Most of this energy is wasted.
||Will store extra energy and supply it when required. All energy is utilized.
|Cost per kWh
||Increases with fuel prices
||Free after sometime.
|Return on Investment
||Cheaper than grid power over its lifetime.
|Reliability in Rugged Conditions
||Will function when required, but lifetime will be shortened by environment.
||Will function when required, and is ideal for sunny countries.
||Requires fuel to be transported to location and manually inserted into tank
||No cost for fuel. It is automatically charging at all times in the sun.
|Set Up Time
||Will have to be refueled before being used
||Deployed in a few minutes.
|When Not in Use
||Nothing will happen, though fuel level will have to be checked before reuse
||The generator will retain charge. It will continue to charge as long as exposed to sunlight.
|Towing from Location to New Location
||Refueling needed when moved to a new location
||Generator will charge en-route, ready to be used when arriving at new location.
||3-5 years with daily use
||Up to 25 years.