In Blog, Solar for Beginners

sales sharkSales Sharks

“It’s our closing down sale! Amazing bargains available now, but be quick as they don’t last long!”

Unfortunately, this kind of sales tactic is not only used by Australia’s favourite rug store. The solar industry has it’s sharks too. The latest tactic (by companies that I thought were better) is to twist a half truth about the introduction of a relatively insignificant standard.

From March 1, 2015, “systems capable of exporting more than 3kVA must have a Power Factor (reactive power) Control setting activated at a designated value.”(Energex)

N.B.: This does not mean it will be more expensive or less effective to get a 5kw solar system after March 1.

This does mean that:

  • Your inverter needs to have that capability. (Unless you are buying a second-hand inverter off Gumtree – you’ll be fine).
  • When you inverter is running flat out on a good day at lunch time (a 5kw inverter running over 4500w), it will be capped at 4500w. It’s this portion of power that is usually sent back to the grid, so you’re probably only losing your 8 Cent feed in tariff.
  • The grid voltage problems caused by solar will be marginally reduced, and Energex will be able to allow more solar onto the grid. (Nope, Energex are not the antichrist.)

For more detailed info on the topic, check out Energex

Mark Cavanagh

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