crutchfield, owner of solar in santa rosa. >> for the first part of the year we were insanely busy andwas kind of liketo keep up with that amount of demand in such a compressed timeframe. that demand, after april 15th, fell off a cliff. it stopped basically wants april 15th happened , it went away. >> since then, he says he has seen many solar companies go out of business, especially those who grew too fast during the run up. >> basically, no business is , in their entirety, survive a cliff when it comes to a drop off in demand . you can't design for that. >> reporter: with the energy institute at uc berkeley's school of business is the old rate was much too generous, leaving those without solar to pay a higher cost to support the power grid and he says the new policy would still be a good deal for solar adopters, just not quite as good as before. >> the solar industry has fought a very hard fight against this change in policy by saying that the new policy would devastate their industry because nobody would find it profitable to put it in solar. that is not true. and i think it is a cl