Your optimism is commendable.Have you run the numbers? Are they sustainable?
Yes,I am baiting you
Today, right now I can buy USA PV modules for $1.20 a watt before gov. pay back. At 30% pay back that = 84 cents a watt.
If I do an intertie I have to add the price of the inverter, or microinverters, wire and incidentals.
If I go with an off grid system ( I have both) I need inverters, batts and incidentals.
What I advise people to do is learn how to put a system in, maybe get a group together and work it out as a unit, this way you save the 4 or 5 bucks a watt an installer will charge you which can easily double or triple your total costs.
The other thing I advise is to start slowly. Lets say year one we buy a few panels and the inverter, wiring, etc. This keeps the initial cost down and we can add to the system as the years go by without the expense of the inverter. That's for off grid.
For intertie I advise using microinverters (Enphase, SolarEdge, etc.) Each panel gets a microinverter, that's it. You tie everything together and run it to a breaker and out to the grid. As you have more money to spend on modules you add them with a microinverter on each one. You can go with as many modules as you want and just keep building.
A good solar dealer can guide you through the install and get you set up with what you need but you have to think, do some reading and learn the basics. Lots of books on the subject and an excellent magazine "Home Power", go buy an issue.
The technology is changing everyday, now you can buy a 4 module complete package from Amazon and plug the output into your 110 outlet reducing your monthly bill. How much? That depends on how smart you are and how well you can conserve. If you want to run incandescents, leave lights on, etc. than don't bother with renewables they won't help you.
People ask me about PV or wind and my first question is how conservative are ? What's your monthly usage, how much power does your freezer use every month?
You have to know those things before you get started, go buy a P3 energy monitor for 25 bucks and find out.
We know who won the ball game who has the most hits, runs, yards, etc. Those things do us no good but the things that do us some good we are totally in the dark about. What's wrong with this picture?
Well I don't know who won the Super Bowl but I'm off the grid selling energy back to the power company, by this time next year I'll be heating my house with renewables and the year after that I'll be charging my electric car with them.
We go out and buy an SUV for 30 or 40 grand that gives us zero return on our money but renewables that can keep our lights on if the grid fails, something that is entirely possible, we want to know the payback on.
Don't want to spend 25 grand on a PV system? Don't. Me I don't want to spend money on fuel oil and electricity. Maybe it costs me more up front but in the end, using some ingenuity, I'm free of the monster that sucks money out of our pockets on a daily basis and in ten or twenty years I'll still be free of that monster.
Rob