On Apr 4, 9:16*am, Home Guy wrote:
" wrote:
In other words, if it's 100F at 3PM, what would happen? *
Would everyone with solar have their AC on and be either taking
power from the grid or at least not giving it back? * Or because
of being paid 80C a kwh to generate electricity, will people be
putting in large systems and leaving their AC off?

Under the terms of the Ontario Microfit program, you (the home owner)
with a (typical) 3kw to 6kw solar array, will be paid 80 cents /kwh for
20 years. *The going rate for buying electricity in this market at the
residential level is (when you factor in all the various transmission
and delivery costs) about 15 cents / kwh.

You are paid 80 cents / kwh for *any* electricity leaving your array (a
billing meter is installed right after your invertors). *It doesn't
matter if your own home (AC unit, etc) will suck 100% of that solar
energy with none of it going back into the grid. *In fact, it's probable
that on that hot summer day that your home will still be pulling energy
from the municipal grid - just not as much because of the contribution
from your own panels.

Now is that the real reason behind what's going on? * Don't know,
but it's certainly theoretically possible.

There has been some mention of a PF (power factor) issue when it comes
to these panels.

But still - you can't push more electricity onto a network than the load
is asking for (given that your invertors are functioning correctly I
guess).

Actually you can and do as I understand it. To pump power into the
grid you supply a slightly higher voltage than what is in the line.
When spread over all the loads on the grid the change in voltage is
next to nothing. If enough inputs are made by others the voltage will
rise, and it is allowed to so long as it stays within a certain
range. If it is going to go too high it is up to the utility to
reduce the input at sources they control.