Three free hours of electricity sounds great. But the biggest winners won’t be the people running their dishwasher at lunchtime. They’ll be the households with solar, battery storage and smart energy management.
From 1 July, several Australian electricity retailers are introducing plans that offer periods of free electricity during the day. At a time when energy prices continue to rise, it’s an offer that’s grabbing attention.
But before you jump ship to a new retailer, it’s worth understanding how these plans work, who benefits most, and how to turn a few free hours into meaningful annual savings.
Why Are Retailers Giving Away Electricity?
Twenty years ago, the idea of free electricity would have seemed impossible.
Today, Australia’s energy landscape has changed dramatically.
With more than four million rooftop solar systems installed across the country, there are now periods during the middle of the day when solar generation exceeds demand. In some cases, wholesale electricity prices become extremely low or even negative.
Rather than having excess energy go unused, retailers are encouraging customers to consume more power during these periods.
That’s where free electricity plans come in.
By offering free power during selected daytime hours, retailers can help balance the grid while attracting new customers.
The Catch Nobody Talks About
Free electricity doesn’t necessarily mean lower electricity bills.
Most plans still charge standard rates outside the free period. Some even have higher peak or shoulder rates than traditional plans.
That means the real question isn’t:
“How much free electricity can I get?”
It’s:
“How much of my energy usage can I move into those free hours?”
The answer determines whether the plan works in your favour.
Who Benefits Most?
Electric Vehicle Owners
Electric vehicles are one of the biggest winners.
A typical EV can consume 40 to 60kWh during a full charge. Charging during a free electricity period can significantly reduce the cost of running your vehicle.
For households driving thousands of kilometres each year, the savings can add up quickly.
Households at Home During the Day
If you work from home or have family members at home during daylight hours, you can shift energy-intensive appliances into the free period.
This might include:
- Washing machines
- Dryers
- Dishwashers
- Pool pumps
- Hot water systems
- Air conditioning
The more energy you can move into the free period, the more value you’ll extract from the plan.
Battery Owners
This is where things get really interesting.
The Battery Advantage
Most people think about using electricity while it’s free.
Smart battery owners think about storing it.
Modern battery systems can often be configured to charge from the grid during designated periods.
Instead of using all your free electricity immediately, you can fill your battery during the free window and use that stored energy later when electricity prices are highest.
Imagine this scenario:
- Free electricity available from 11am to 2pm
- Battery charges to full during the free period
- The household uses stored battery power between 5pm and 9pm when tariffs are highest
Rather than saving a few dollars during the day, you’re avoiding some of the most expensive electricity purchases of the entire day.
For many households, this strategy can dramatically improve battery economics.
Why This Matters More Than Ever
Feed-in tariffs continue to fall across Australia.
Just a few years ago, many households were paid generous rates for exporting solar energy to the grid.
Today, those rates are often only a few cents per kilowatt hour.
That means storing energy and using it yourself is becoming increasingly valuable.
Battery systems are evolving from simple backup devices into intelligent energy management systems that help households buy, store and use electricity at the most economical times.
Can Any Battery Do This?
Not all battery systems offer the same capabilities.
Older systems may have limited programming options or restrictions around grid charging.
Many newer systems allow homeowners to:
- Schedule charging times
- Respond to time-of-use tariffs
- Optimise battery usage automatically
- Charge during free electricity periods
- Discharge during expensive peak periods
The level of flexibility varies between manufacturers and system designs.
That’s why it’s important to understand what your existing battery can do before switching plans.
Is This the Future of Electricity?
The short answer is yes.
Australia’s electricity market is becoming increasingly dynamic.
We’re already seeing:
- Time of use tariffs
- Virtual power plants
- Wholesale linked pricing
- Negative daytime pricing
- Free electricity periods
- Smart battery optimisation
The traditional model of paying a flat rate for electricity is gradually disappearing.
The households that benefit most will be those that can adapt to changing pricing structures and use technology to their advantage.
What Should You Do Next?
If you’re considering a free electricity plan, don’t just look at the marketing headline.
Review:
- The free electricity window
- Peak and shoulder rates
- Feed-in tariff rates
- Daily supply charges
- Whether your battery can be configured to charge during free periods
For some households, the savings could be substantial.
For others, a standard solar plan may still offer better value.
How Rainbow Power Company Can Help
Rainbow Power Company has been helping Australians take control of their energy since 1987. From solar and battery installations to advanced energy management systems, our team helps households make informed decisions about their energy future. Rainbow Power Company has been pioneering renewable energy solutions for nearly four decades, helping Australians reduce energy costs and increase energy independence.
If you’re considering a battery, upgrading an existing system, or want to know whether your current setup can take advantage of free electricity plans, our team can help you identify the best solution for your home.
Because in the future energy market, it’s not just about generating electricity. It’s about using it intelligently.
Author: Rainbow Power Company










