When considering the cost of an off-grid solar system, it’s important to know that there are a few different types of systems you can consider. Each has unique features and functionality, and this can inform the price you’ll pay. Below, we’ll take a look at some of the more common off-grid solar systems.
DC Solar System
A DC solar system is the simplest type of solar system. It’s best suited to the most basic energy needs, such as for a one-bedroom cabin or RV. Since the DC solar system doesn’t rely on a battery or an inverter, you’ll only have electricity on sunny days; there’s no stored energy with this type of system. The off-the-grid solar system cost of a DC system averages about $6,000 to $10,000, and consists of nothing more than a few solar panels that provide power to just a few appliances.
Mixed DC and AC System
Similar to a simple DC solar system, but with a battery backup to store electricity for cloudy days, a mixed DC and AC system costs between $10,000 and $50,000. The price depends on the size of your system. A mixed DC and AC system is suitable for a small-scale off-grid solar system, and typically involves solar panels along with an inverter (to convert energy from DC to AC) and a backup battery to store energy.
AC System With Wind
You can think of this type of off-grid solar system as one that functions on solar energy with wind energy as a backup. If you live in an area with lots of wind, but inconsistent sunshine, this type of system might be the best option for your energy needs. The cost for an off-grid solar system that functions on sun and wind is between $20,000 and $80,000.
AC Solar System
Whether you’re looking for an off-grid power system or one that stores energy on your city’s grid in order to get energy credits, an AC solar system is a popular option. The cost of this off-grid solar system is between $30,000 to $60,000, a price that includes several solar panels, a few backup batteries and a DC/AC inverter to convert energy into a usable form.
AC System With a Back-Up Generator
This comprehensive system is the best option if you’re looking for completely off-grid solar systems. The average cost for this type of system ranges from $40,000 to $70,000. An AC system with a back-up generator is typically designed to handle all of your home’s energy needs; as such, the size will vary based on the size of your home and your energy consumption.
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