Wouldn't it be nice to have solar energy available around the clock – even after sunset? This is now possible with SMA Sunny Island systems.Ī Sunny Island inverter automatically charges the connected batteries. Such batteries can be much smaller than those used in stand-alone solar systems as the convenience of the electricity grid remains at your disposal. The cheapest option would be to turn off the export function and charge batteries instead. Adding BatteriesĪ grid connect solar system can be taken to a whole new level by adding deep cycle batteries. Have a look at our solar savings calculator that visualises energy usage and production. Needless to say, our system designs have always considered individual needs over commercial gains. Last but not least, some of the more aggressive sales reps may also have omitted that working families do not benefit as much from a grid feed system as no-one would be home during peak production hours. The scheme expired at the end of 2016, and left many households with too big a solar system for anyone to profit, but the electricity providers. Habits and energy usage change over time family members may have taken on day time jobs, started school or left the nest entirely.įurthermore, solar systems designed under the now closed NSW Solar Bonus Scheme (60 cent per kWh) may have changed ownership resulting in an inferior FIT (and if ownership has changed, did the gross meter get changed to net metering?). There are already thousands of potentially oversized solar systems in Australia. Residential consumption usually peaks at 8am and 8pm but due to the nature of the technology, solar production is at its highest between 10am and 2pm. At this exchange rate it is obviously more economical to consume than to export. Most electricity providers only offer 5-10 cents per kWh (if anything) while charging their customers 28+ cents for the same kWh. With the demise of regulated feed-in tariffs (FIT) we started designing our grid connect solar systems with a focus on "self-consumption".
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