NEEDS ANALYSIS
When considering a PV solution, it is important to know what your power usage is. A lot of companies will ask for your electricity bill and send you a quote, but it's not that easy. Zero Footprint Energy will not just send a client a quote. We will do a full needs analysis including a site assessment and installation of an energy meter for a time period to monitor the electricity usage. When doing the needs analysis and monitoring we look for the following:
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Roof type
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Roof angle, direction and size
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Single or double storey house?
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Any trees or big obstacles casting shade over the roof
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Size of main breaker
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Is there a need to split or rewire the DB board?
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Is there enough space in the DB board?
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Where is the optimal space to install the system (inverter, MPPT's, batteries)?
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What is your kWh usage during the day-time and night-time?
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What is your highest peak demand usage? This will establish what size inverter you require
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How many hours of back-up do you require should you want battery storage?