David Nebenzahl wrote in news:4da29d48$0$26573
:

The intertie and the house's power connection are going to be at pretty
much exactly the same voltage. What happens is that the PV system is
connected *in parallel* with the grid; it's dumping more *current* into
the system, not more voltage.

http://www.northjersey.com/news/116938343
_Municipal_officials_throw_wrench_in_PSE_G_s_solar _paneling_program.html

or
http://tinyurl.com/3tcv4le

--
Best regards
Han
email address is invalid