Green Plumbing

Category - Solar Hot Water

Each of the following is a common perception of those preferring solar photovoltaic compared to solar thermal installations, except:
  1. Solar thermal systems don’t work well
  2. Solar thermal is dangerous
  3. Solar photovoltaic allows users to “spin their meters backwards”
  4. Solar photovoltaic turns the tables so the electric utility pays for electricity from the user, rather than the other way around
Explanation
Answer: B -- Those preferring solar photovoltaic compared to solar thermal installations do not express wide concerns about dangers associated with solar thermal installations. Many do, however, think that solar thermal doesn’t work well. Many also note that their own PV systems help them to create rather than use electricity, which then has the utility paying for it rather than the user.
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