17.68kW Solar + Battery System - Medindie
Battery storage
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July 14, 2021

The install

NRG Solar installed this 17.68kW solar system, consisting of 52 Winaico 320W panels, each fitted with an Enphase IQ7 microinverter, and topped off with Tesla Powerwall.

It was always going to be a tricky install, due to the roof access and differentiating roof pitches, but our installers were happy to take on the challenge.

The Challenge

"The installation was complex and reasonably large. Jarrad and Alex, the installers, were efficient, smiling, and extremely competent. As planned it took a number of days to complete. We had also requested that they move our fuse board which created some unexpected challenges for them but they addressed these and everything was done neatly, on time, and very much to our satisfaction."

The inclusion of Enphase microinverters was determined to be the best solution for this home, as the varying roof pitches made it difficult for a string inverter to facilitate a system of sufficient size.

Why NRG?

"We spent quite some time talking with a number of potential solar suppliers and installers trying to find a company who would do a good job but who would also not approach our job with a cookie-cutter “one size fits all” approach.

We chose NRG as we were really impressed with Michael’s considered approach and his patience in making sure we understood all our options and the pros and cons of each choice. He spent time with us and we felt that we received tailored expert advice with reasons for each suggestion and without pressure."

Tesla Powerwall

The Equipment Installed

  • 52 x Winaico Panels
  • 52 x Enphase Microinverters
  • 1 x Tesla Powerwall

The Result

Bill and Maree’s bills before solar were approximately$2500 a quarter. Since installing with NRG Solar, their bills are sitting just under $200 a quarter.

"Our electricity bills have improved markedly, both from the solar input, but also from the understanding of our moment-to-moment use that we have gained from the various apps. This has helped us make decisions which have further reduced our usage, and hence cost."
"Overall, we are very happy and would have no hesitation in recommending NRG to our friends."
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