What is a smart tariff – how can it help you save on energy?
With energy prices still changing and more households looking for ways to cut costs, smart tariffs are becoming an increasingly popular option.
You might have heard the term before, but what does it actually mean – and is it worth considering for your home?
What is a smart tariff?
A smart tariff (also known as a time-of-use tariff) is a type of electricity pricing where the cost of energy changes throughout the day.
Instead of paying a flat rate for every unit of electricity you use, the price goes up and down depending on demand and how much energy is available on the grid.
In simple terms, electricity is cheaper when fewer people are using it – and often when more renewable energy is being generated.
That shift is what makes smart tariffs so useful. They give you the opportunity to choose when you use energy, rather than paying the same rate all day.
Why more households are switching
One of the main benefits of a smart tariff is the potential to reduce your energy bills without necessarily using less electricity overall.
Many tariffs offer several cheaper periods throughout the day. By being more flexible when you use energy. And running energy-heavy appliances like dishwashers, washing machines, or charging your electric vehicle during these times, you can make noticeable savings.
Using electricity outside of peak times also helps take pressure off the grid, meaning less reliance on fossil fuels and better use of renewable energy sources like solar.
Understanding peak and off-peak times
Energy demand tends to follow a daily pattern.
Peak times are usually in the early morning, when people are getting ready for the day, and in the evening, when homes are cooking, heating up, and using more appliances.
Off-peak times, on the other hand, are when demand drops – often overnight or during quieter parts of the day. This is when electricity is typically cheaper.
Smart tariffs are designed around this pattern, rewarding households that can shift some of their energy use away from those busy periods.
Different types of tariffs
Not all smart tariffs work in the same way, so it’s worth understanding the difference.
Static smart tariffs
These offer fixed cheaper periods, often overnight. You’ll know in advance when electricity will cost less, which makes it easier to plan things like EV charging or running appliances. They’re a great fit for households with electric cars.
Dynamic tariffs
These are a bit more flexible. Prices change more frequently – sometimes every half hour – based on wholesale energy costs.
A well-known example is Octopus Agile. With this type of tariff, there’s more opportunity to save, but it does require a bit more attention to when prices are lowest. For households that are happy to adjust their energy use, the savings can be even greater.
Where the biggest savings come from
How much you save on a smart tariff really comes down to how flexible your household can be. If you’re able to shift more of your energy use into cheaper periods, the benefits quickly add up.
Homes with electric vehicles tend to see some of the biggest savings, simply because charging can be timed to off-peak hours. The same goes for households with battery storage or solar panels.
A battery allows you to store electricity when it’s cheapest and use it later when prices are higher. If you’ve got solar panels as well, you can store excess energy generated during the day and use it in the evening, rather than buying it from the grid.
When these technologies are combined, they create a much more efficient and flexible home energy system.
Do you need a smart meter?
To access a smart tariff, you’ll need a smart meter installed at your property. This allows your energy usage to be tracked in real time, so your supplier can apply the correct pricing depending on when you’re using electricity. If you don’t already have one, most energy suppliers can arrange installation.
Making your home work smarter
Smart tariffs are part of a wider shift in how we use energy at home. Rather than simply using electricity as and when we need it, more households are starting to think about timing, storage, and efficiency.
By combining a smart tariff with technologies like EV chargers, solar panels, and battery storage, you can take much greater control of your energy use – and your costs.
Thinking about switching?
Through our partnership with Octopus Energy, we can help you get started with a smart tariff that works alongside your home setup.
You can get £50 off your first bill when you switch to one of their tariffs via us. Learn more here.
If you’ve got any questions about smart tariffs, battery storage, or solar, our team is always happy to help – just drop us a message at sales@eerenewables.co.uk.
