6.6kW Solar System installed by JNT Electrical

“Solar played on my mind and I eventually did some research and submitted a quote request with Solar Market, I received three quotes quickly, one was our installer – JNT Electrical.”

Grant Bligh from Queensland

Grant considered installing solar after a door knocker offered to provide quotes. Wanting to do more thorough research, Grant found himself on the Solar Market website.

“Solar played on my mind and I eventually did some research and submitted a quote request with Solar Market, I received three quotes quickly, one was our installer.”

Within 24 hrs Grant was contacted by 3 companies who provided quotes.

“As I didn’t know much about solar at the time, I sent the quotes to my son who is an electrical engineer and he recommended JNT as my best choice. They weren’t the cheapest of the three, but they provided the most information and were able to supply a great mid-range price for high quality”

JNT Electrical installed a 6.6kW system for Grant in November 2018, within a week of him confirming he’d like to install.

“I could not have asked for better service, 11 out of 10! … JNT used layman’s terms to help us understand the process and made it such an easy decision. They even came back to check on system and brought my wife flowers.”

Grant has seen his electricity bills drop from $650 to approximately $100 per quarter and the savings are now going straight into their holiday fund. The system at its best has produced 39.9kW a day in summer and in winter it has average around 23kW. As retirees Grant and his wife both try to run the majority of their appliances during the day, which has assisted in reducing their bills.

JNT also provided a discount for referrals, so Grant and his wife are expecting a return on investment within 2 years.

“The benefits (of solar) are obvious already.”

  Read more case studies

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Understanding Batteries

Off-Grid Systems

For some households a battery system can be of great benefit and minimise a home’s reliance on the grid. However, it’s important to understand for a battery to be useful your solar system needs to be generating excess energy for the battery to store, which you can then use at night or when the sun is not out.

When selecting a battery, you’ll want to invest in a system that is most suited to your home and can drive the best return on investment (ROI). Despite a larger upfront cost, a higher quality battery may significantly increase your ROI.

    Battery systems start from $6,000 and costs can vary greatly based on the following factors:

  1. Cycle Life-Time

    The number of times a battery can fully charge and discharge.

  2. Battery Power (kW)

    How fast it can be charged or discharged.

  3. Storage Capacity (kWh)

    The maximum amount of energy a battery system can store.

  4. Battery Management System (BMS)

    An electronic ‘smart’ system that gathers data and manages the battery ensuring it does not overload or operate outside of its safe functioning zone..

  5. Inverter

    Battery systems require their own inverter if your solar system does not have a hybrid inverter.

  6. 'All-In-One Unit’

    A system which includes the battery, BMS and an inverter all in one unit.

  7. Warranty

    Length of time or cycles the battery system is under guarantee.

  8. Blackout Protection/Backup

    It’s important to note this is not a common feature of a battery system and could cost thousands of dollars to include. Blackout protection not only requires additional components but also a specialised installation and rewiring. For grid-connected homes, the cost for blackout protection can outweigh the benefit.

Additionally, if your purpose for adding battery is to go Off-Grid and become completely independent from the grid you will need to ensure your solar system can generate enough energy to power your home and your battery system is large enough to store this energy. For homes in metro areas going Off-grid is not cost effective and is only recommended for those in remote areas with limited access to the grid. Off-grid solar systems with battery start at approximately $30,000.