Active Energy Systems
Active energy systems collect, store and distribute energy to drive
equipment which modify our living environment to a desired comfort
zone. Some examples are electric kettles used to heat water and
photovoltaic panels, which convert light energy from the sun directly
into electricity.
Solar hot water systems use the sun's energy to heat water in much
the same way as water in a hose left lying on the lawn gets hot
on a sunny day.
The installation of active energy systems using renewable forms
of energy can reduce our dependence upon coal-fired power stations
and considerably reduce greenhouse gas emissions.
The EcoHouse incorporates solar hot water, and solar electricity
to meet over 80 percent of its annual energy needs. The electricity
comes from an 18 panel array (1.44 kW) which is designed to act
as an eave in Summer, while the solar water heater is placed over
the former chimney.
Any further electricity required is purchased coming from other
renewable sources through the purchase of Green Power.
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Before considering an active energy system such as photovoltaic
panels or a solar hot water system, your home should be made as
energy and water efficient as possible to make the economics much
more effective.
Energy efficient lamps and fittings reduce lighting energy and
use of energy efficient appliances (with a high star rating) help
to lower costs.
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