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The
choice to go solar and be ' off the grid' was fueled by several
factors. It was going to cost a fair sum to bring power from the road
1200 feet to the house. To so would have required 4 poles and would
have also required that we (Jaja...) clear a 12 foot wide swath of
trees next to the road. (About 50 trees. The road itself is required
an 18 foot swath and consumed 80 trees) ) We liked our forest road
and did not want wires to interfere visually. Going underground was
out of the question due to ledge.
What we really wanted was
independence
from the power grid, just like we had on the boat. We already had our
own well and septic field. Our own source of power completed the
circle. All we were missing was our own government so that we could
pay ourselves taxes.
Are we 'saving' the planet
by having
solar? Probably not. We have a propane dryer, propane boiler, and a
propane refrigerator. We also burn wood for heat. It is nice,
however, not having an electric bill. Whenever the town's power goes
out we are not affected. Our house is a hybrid house.
Stats:
-We have 24, Sharp 165
solar panels
producing a combined 3.9 kW
-These are split into two
arrays that
feed two Outback MX60 charge controllers. Output from the panels is
96 volts and the MX60's are convert that to a 48 volt charge level.
-The batteries are Rolls
KS125's wired
in series for 48 volts.
-We have two, Outback FX90
inverters
(3.8 kW each). One is essentially a backup and sits mostly unused.
The primary inverter runs through a transformer creating two 120 volt
legs.
-I wired the house the same
as any
house not using solar.
-We have an 6.5 kW gasoline
generator
for a back-up charging source. Maine winters are long and often
snowy. We run the generator 25-50 hours each winter to supplement the
solar panels. (It all depends on cloud cover and how much snow is on
the arrays). Between March and October we have excess power.
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