It’s also worth taking into account that generators can’t be used in most national parks, and use may need to be limited to respectful levels in free camps where other travellers are trying to enjoy the serenity. “During operation, it’s completely noiseless the energy is collected from solar irradiation so it is environmentally sustainable it doesn’t emit any smelly gas and, most importantly, it is free to run,” Ding said. Solar expert Roy Ding, of Arizon Clean Energy Solutions in Victoria, said, compared to a generator, solar has many advantages.
The solar regulator will take care of the battery, and a deep-cycle battery is fully sealed and maintenance free. Generators also need to be serviced regularly, whereas a well-designed solar system should work autonomously. Generators consume fuel, adding a continuous running cost but solar costs nothing to run. So that begs the question, if you can’t power everything by solar, should you bother using solar at all? COST, EMMISSIONS, RESTRICTIONSĬost-wise, both generators and solar have an upfront equipment cost which depends largely on their size. For the others, solar will reduce the run time of a generator significantly. With a decent solar system, most campers could get away with not using a generator, or just carrying it as a backup in case of bad weather. But if an RV spends a couple of hours driving, allowing the alternator to charge the battery and the power-hungry air-conditioner isn’t used, it’s possible you would be fine with a 1kW solar system and would never need a generator again.
For example, if a modern caravan, fitted with large range of hungry electrical appliances such as washing machine, toaster, fridge and air-conditioner, is parked in the bush (off the grid) and the tow vehicle’s engine is not being used to charge the battery, it is highly improbable that solar could power everything indefinitely, so you may need a generator for backup power. In many cases, solar can’t completely replace a generator or alternator because you can only fit a limited amount of solar panels on a caravan’s roof, and the power is not always enough to power everything you need indefinitely. However, it’s pretty unlikely that a solar system could entirely power a modern RV, and a lot depends on its build and the way you use it.
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