nashwan... I will have to dispute your math as I know people who have less than 30,000 dollar systems and their bill is zero.
That's certainly possible with subsidies.
A $30,000 system will generate about 10 kw/h a day. If they got a 50% subsidy, then that's a $60,000 system, which would generate about 20 kw/h a day.
The average electricity usage in California is apparently just over 20 kw/h a day.
So yes, a $60,000 system could certainly get the average electricity bill to zero. Even a $30,000 system could do so if you use only half of average electricity.
Where you are wrong is in claiming their bill would otherwise be $500 a month. $500 of electricity is more than 5 times average consumption.
they power company did it to save themselves money...
No, the power company cannot save money by paying someone a lump sum so that they don't have to buy power.
The power company do it because the state government mandate it. It's not something they want to do, it's something they are forced to do. They pass the costs on to their other customers.
Once again it's a system that only works in small numbers. If everybody did it, they would all have to pay the true price, rather than getting other people to pay for their solar panels.
Note also that the subsidies are already declining as the uptake increases.
The first 70 mw installed in residential areas had to be subsidised by the power companies at $2.5 per watt. The next 30 mw were at $2.2, PGE is about to switch to stage 4, where the subsidy is down to $1.9
You advocate the free market, but the entire home solar system exists only because of subsidies.
And... the unit is not a loss... it increases the value of the home.. you will get every penny back when you sell and.. in todays market.. they are the only homes selling.
You will get every penny back of an overpriced, declining asset? Somehow I doubt it.
electric cars? expensive.. stupid but... there are some neat ones... neat enough to drive 5 miles to the supermarket or walmart in any case... hybrids? hate em but... you can make em plug in and then it would be "free" after initial cost and not including maint which would occur with any vehicle
The batteries just aren't up to it. Once again, even with petrol at $8 a gallon, no one wants them. They cost too much, are too limited.
Nope.. at least here in the states... it is gonna happen.. soon there will be systems that drop your bill to zero that cost like $10,000 the will be selling kits at home depot.
If solar ever gets that cheap, your bill still won't drop to zero. Everyone will be generating their own power in the day, when the sun goes down they will all need to buy power from the power company. And the power is going to be much more expensive if they have to run all the infrastructure just to sell power for a few hours a day.
And that still doesn't address the oil issue at all. Almost no oil is used for power generation in the developed world. Even if you can replace coal and gas and nuclear with solar, which is a long way off yet, then you still have to have some way of carrying the power with you in a car.
oh..here is the electric car drag racing association.. looks like fun to me.
I'm sure it is. Most people want to be able to drive more than a a quarter of a mile, though