Solar Energy for a Colder Future
Grid-Tied Solar Electricity:
Connect your solar electricity system into the power grid and watch your meter run backwards!
If you already have utility power, then it is easy to add solar panels to your home or business. Then, when you make more energy than you use, your meter runs backwards and the utility credits your account. Later, usually at night when the sun goes down, you tap into the utility for electricity, and use your credit.
Be independent and install an off-grid solar energy system
Battery based photovoltaic systems are definitely right for the independent lifestyle.
Tahoe Solar Designs can design and install a system that meets your needs and allows you live independently and produce clean, renewable energy for many many years.
For an off-grid system, you will install photovoltaic panels and an inverter, and you will also have batteries and a charge controller, and likely a battery monitor and a generator.
Battery-based off-grid solar systems are low voltage, usually in the range of 24 to 150 volts DC.
Using an MPPT charge controller allows you to wire the pv panels at a higher voltage (~150 volts) and steps it down to the battery voltage, allowing the system to be much more efficient than using a basic charge controller.
The place to start with designing a battery-based solar system is by estimating your future power usage.
Once you have this figure, it is simple to derive the capacity of the battery bank and the necessary solar modules to energize your building.
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