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The perfect ‘size’ for your PV panels is when their output matches the instantaneous power demand of your house.  If you could achieve this, you would use all the energy provided by your panels in real-time. Unfortunately, this is impossible to achieve as the output of your panels varies a great deal; with season, weather, air temperature, shading and other factors.  Likewise, your household demand varies but is likely small during weekday day-times…unless you have a pool.  As the most energy intensive appliance in the house, a typical pool, together with other household equipment, will often draw more energy than your PV system can provide.  This can force you to buy expensive on-peak and shoulder energy from the Grid for the excess. Your savings from using the panels for the pool can easily be wiped out by these charges, depending on the number and size of your panels, and the weather. 

Pooled Energy will reduce both your pool power and energy consumptions to levels that are usually much better matched to the output of a typical PV system, with reductions of up to 70%.  Moreover, since the Pooled Energy system, knows the weather and forecast via the Internet, it can use the output of your panels optimally.  For example, on the typical 109 sunny days a year in Sydney, it will use the power from the panels as much as it can.  On the 129 rainy or overcast days, it will use low-cost, off-peak power the previous night, while on the remaining 127 spotty days, it will use a statistical mix.

The Intelligent Pool Controller (IPC) use the free, optional Solar Optimisation Service to achieve this.  If the pool operations were set by time-clocks, you would be paying for shoulder and peak electricity from the Grid on the non-sunny days, rather than using free energy from your panels.  You get real value from your panels with this service…and a better pool with the Solar Optimiser Software.