1.  The basic DC system that will run DC lights and appliances (like boats or campers have) can start at $200.  All you need is a solar panel and a 12 volt battery.  This is a good way to start and this is all that many cabins & camps need. 

If you want to upgrade, all you add is an inverter.  This will convert the DC in the battery to AC which can run standard household appliances like TV's, radio's, and lights.  These are priced by how many watts they will run.  They start under $100 and can be purchased at many locations.  You might like to buy one larger than you need today to handle future items.

2.  For a larger "small system" be prepared to spend more money.  You will need multiple solar panels.   Four large panels will cost around $3600.  A 1500 watt inverter will cost around $1000 and you will need around 4 batteries which will cost around $1000.  You will need additional items to complete this system like wire, mounts, and meters.  This is called "balance of system".

3.  Big systems are big bucks.    A 1000 watt grid-tied system will cost around $10,000.  A 3000 watt grid-tied system will cost around $25,000.  These systems will produce power for decades, raise your home's value, and not raise your property taxes (they are exempt).  Remember that your system can start small and grow to accommodate your needs.

Use the Solar Estimator to determine the size system to fit your needs.

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