Unlocking Savings: Your Guide to Economy 7 Tariffs

In the quest to manage household expenses, understanding your energy tariff is paramount. For many in the UK, the concept of an Economy 7 tariff has surfaced as a potential route to significant savings. But what exactly is it, and how does one go about acquiring such a tariff? This comprehensive guide will delve into the intricacies of Economy 7, helping you determine if it's the right choice for your home and how to navigate the process of switching or optimising your current setup.

An Economy 7 tariff is a distinctive 'time-of-use' electricity plan designed to offer two different rates for your electricity consumption: a standard day rate and a significantly cheaper 'off-peak' night rate. This structure is particularly beneficial for households that can shift a substantial portion of their electricity usage to these off-peak hours, typically overnight. The primary driver behind these tariffs is to encourage consumers to spread out their energy demand, reducing the strain on the national grid during peak daytime hours. By utilising energy when overall demand is lower, you're not only potentially saving money but also contributing to a more balanced energy network.

Understanding How Economy 7 Works

At its core, Economy 7 provides a designated period, usually 7 to 9 hours, during which electricity is charged at a reduced rate. The exact timings for these off-peak hours can vary depending on your regional network operator, but they typically fall between 8 pm and 8 am. During the remaining 'peak' hours of the day, electricity is charged at a higher rate. This dual-rate system requires a specific type of electricity meter capable of recording consumption at these two different rates.

Do I Have an Economy 7 Meter?

Before considering an Economy 7 tariff, it's crucial to ascertain if your property is equipped with the necessary metering infrastructure. Approximately one in five UK households currently have an Economy 7 meter, with a notable proportion being electricity-only properties. There are a few straightforward ways to check:

• Check Your Electricity Meter: A traditional Economy 7 meter will typically display two separate readings – one for 'peak' or 'day' usage and another for 'off-peak' or 'night' usage. Some electronic Economy 7 meters may have a button you can press to cycle through and view each rate.
• Review Your Energy Bill: Your electricity bill is a treasure trove of information. Look for your MPAN (Meter Point Administration Number). If your MPAN begins with '02', it generally indicates that you have an Economy 7 meter installed.
• Contact Your Supplier: If in doubt, your current energy supplier can confirm your meter type and tariff status.

How to Get an Economy 7 Tariff

If you've determined that an Economy 7 tariff aligns with your energy consumption habits, the process of acquiring one is relatively simple, though it depends on your current meter setup.

For Smart Meter Users

Most modern smart meters (SMETS2 specifically) are highly adaptable. If you have a smart meter, your energy supplier can often switch it into 'Economy 7 mode' or 'dual rate' mode remotely. This means you won't typically need a new meter installation. Once your smart meter is configured, you can then choose an Economy 7 tariff offered by your preferred supplier. This offers the added benefit of detailed energy usage insights, helping you to better manage your consumption across peak and off-peak times.

For Traditional Economy 7 Meter Users

If you already possess a traditional Economy 7 meter or a traditional Economy 7 prepayment meter, you are already set up for this type of tariff. Your primary step would be to compare available Economy 7 tariffs from various suppliers to find the most competitive rates for both your day and night usage. Switching suppliers is generally a straightforward process once you've identified a suitable deal.

For Standard Single-Rate Meter Users

If you have a standard single-rate meter, acquiring an Economy 7 tariff traditionally involved having a new dual-rate meter installed. However, with the rollout of smart meters, suppliers are now more inclined to install a SMETS2 smart meter, which can then be set to operate in Economy 7 mode. This simplifies the process and brings the benefits of smart metering to your home.

Is Economy 7 Right for You? Key Considerations

While the allure of cheaper night-time electricity is strong, an Economy 7 tariff isn't universally beneficial. It's crucial to assess your household's energy usage patterns before making the switch. The core question is: Do you use, or can you realistically shift, a significant amount of your electricity consumption to the off-peak hours?

Energy Usage Patterns

The golden rule for Economy 7 to be economical is to use at least 40% of your total electricity during the night. Remember, while the night rate is cheaper, the day rate on an Economy 7 tariff is typically higher than a standard single-rate tariff. If you primarily use electricity during the day, you could end up paying more overall. Take a week or two to monitor your usage if possible, noting down when your major appliances are used.

Heating Source

Economy 7 tariffs are particularly well-suited for homes with specific heating setups:

• Night Storage Heaters: These heaters are designed to charge up during the cheaper off-peak hours, storing heat that is then released into your home throughout the following day. They are perhaps the quintessential example of an appliance that maximises Economy 7 benefits.
• Electric Hot Water Cylinders: If your hot water is heated by an electric immersion heater, especially a dual or twin immersion heater with a timer, you can set it to heat a full tank of water during the night, ready for use the next day.

If your heating is primarily gas, or if you rely on electric heating that runs continuously throughout the day (e.g., panel heaters without storage capabilities), an Economy 7 tariff might not be the best fit, as you'd be paying the higher day rate for most of your heating needs.

The 'Maths' Behind the Savings

To truly understand if Economy 7 will save you money, you need to compare your potential total annual cost on an Economy 7 tariff against a standard single-rate tariff. This involves:

1. Estimating your percentage of night-time versus day-time electricity usage.
2. Obtaining quotes for both Economy 7 and single-rate tariffs from various suppliers.
3. Calculating the total annual cost for each scenario using your estimated usage distribution and the quoted rates.

Price comparison websites can be helpful tools, but always ensure you input your estimated day/night usage accurately for Economy 7 comparisons. Be wary of sites that might steer you towards less optimal deals for their own gain; an impartial switching service can offer the best market rates.

Economy 7 Timings Across the UK

The precise hours for the off-peak rate are not uniform across the entire UK. They are determined by your regional energy network operator. While generally falling within the 8 pm to 8 am window, the exact start and end times can vary. Always check your bill or contact your supplier for the definitive timings applicable to your area. For a general overview, here's a helpful table:

Please note: These timings are examples and can vary. Always confirm with your energy supplier. Adjustments may also be needed for British Summer Time (BST) and Greenwich Mean Time (GMT) changes.

Maximising Your Economy 7 Savings

If you're on an Economy 7 tariff, or planning to switch, implementing smart habits and potentially making small investments can significantly boost your savings.

Behavioural Adjustments

• Run Appliances Overnight: Washing machines, tumble dryers, and dishwashers are notorious energy guzzlers. Many models feature a 'delay start' function, allowing you to set them to run entirely within the cheaper off-peak hours. This simple change can lead to considerable savings.
• Charge Gadgets: Laptops, phones, and other rechargeable devices can be plugged in and charged during the night.
• Hot Water Usage: If you have an electric hot water cylinder, aim to take showers or baths in the morning after the water has been heated during the off-peak period. Avoid using boost settings during peak hours unless absolutely necessary. Most electric showers heat water on demand, so they don't typically rely on stored hot water.

Smart Investments and Controls

• Optimise Storage Heaters: If you have night storage heaters, learn to use their controls effectively. The INPUT or CHARGE control determines how much heat is stored overnight; set it higher in colder weather and lower in warmer months. The OUTPUT or BOOST control regulates how quickly the stored heat is released; keep it on a low setting during the day and only increase it in the evening if more heat is needed, remembering to turn it back down by bedtime.
• Hot Water Cylinder Management: For electric hot water, ensure your cylinder is well-insulated to retain heat for longer. If you have a dual immersion heater, set its timer to heat the full tank during the off-peak period. The 'boost' switch should be reserved for occasional top-ups during the day, as it uses more expensive peak-rate electricity.
• Boiler Night Settings: If your boiler has a 'night' or timed setting for heating water, ensure it's configured to utilise the off-peak hours.

Economy 10 Tariff: A Brief Alternative

While Economy 7 is the most common time-of-use tariff, you might encounter mentions of an Economy 10 tariff. This is another dual-rate system offering 10 hours of cheaper off-peak electricity, typically split across three periods: three hours in the afternoon, two in the evening, and five overnight. Economy 10 requires a specific Economy 10 meter, which differs from standard and Economy 7 meters due to its enhanced measurement capabilities. Not all suppliers offer Economy 10, so availability may be limited. If you have storage heaters and find Economy 7 doesn't quite fit your daytime usage, Economy 10 could be an option, though it's less widely supported.

What if I Don't Want an Economy 7 Tariff?

It's possible you've found yourself on an Economy 7 tariff that no longer suits your lifestyle, or perhaps you've inherited a property with one. If Economy 7 isn't saving you money, or you simply prefer a single-rate plan, you have several options:

If You Have a Smart Meter

This is the easiest scenario. Simply contact your energy supplier and ask them to switch your smart meter out of 'Economy 7' or 'dual rate' mode. Once done, you can then choose any standard single-rate tariff that suits your needs.

If You Don't Have a Smart Meter (Traditional Economy 7 Meter)

You have a few pathways:

1. Request Totalisation of Rates: Your supplier might be able to 'totalise' your rates. This means they will bill you for your total electricity consumption at a single, blended rate, even though your meter still records day and night usage separately. This avoids a meter change but might not always offer the absolute best single-rate deal on the market.
2. Get a Smart Meter: This is often the recommended solution. By requesting a smart meter installation, you'll receive a modern meter capable of operating in single-rate mode. This gives you flexibility and all the benefits of smart metering, including accurate billing and usage insights.
3. Request a Single-Rate Meter Installation: While less common now with the smart meter rollout, you could ask your supplier to replace your Economy 7 meter with a standard single-rate meter. However, some suppliers may no longer offer this as their primary solution.

Who Supports Economy 7 Tariffs?

Virtually every energy supplier in the UK offers an Economy 7 tariff. However, the rates they offer can vary significantly. It's important to remember that by using off-peak electricity, you are helping suppliers manage demand on the grid, so you shouldn't settle for uncompetitive rates. Always compare tariffs across the market to ensure you're on the best possible deal for your specific usage pattern. Don't assume your current supplier offers the most economical option; competition can drive better value.

Frequently Asked Questions About Economy 7

What is Economy 7?

Economy 7 is an electricity tariff that charges different rates for electricity used at different times of the day. It offers a cheaper 'off-peak' rate for typically 7 hours overnight and a higher 'peak' rate during the day. It's designed to incentivise electricity usage during lower demand periods.

Can Economy 7 save me money?

Yes, Economy 7 can save you money, but only if you use a significant portion of your electricity (ideally 40% or more) during the cheaper night-time hours. Homes with storage heaters or electric hot water cylinders that can be timed to heat overnight are often the biggest beneficiaries. If most of your electricity consumption occurs during the day, you may find it more expensive than a standard single-rate tariff.

How do I know if I have an Economy 7 meter?

Check your electricity meter for two sets of readings (day/peak and night/off-peak). You can also check your energy bill for an MPAN starting with '02' or contact your energy supplier directly.

What time does Economy 7 start?

The exact start and end times for Economy 7 off-peak hours vary by region and network operator. They typically fall within an 8 pm to 8 am window, lasting 7 to 9 hours. Always refer to your energy bill or contact your supplier for the precise timings in your area.

What if I don't use much energy at night?

If you don't use much energy at night, an Economy 7 tariff is likely not suitable for you. The higher daytime rates could lead to increased bills. In this scenario, you would be better off with a standard single-rate tariff or considering options to switch away from Economy 7 if you are currently on one.

What is Economy 10?

Economy 10 is another time-of-use tariff, similar to Economy 7, but it offers 10 hours of cheaper electricity split across three periods: afternoon, evening, and overnight. It requires a specific Economy 10 meter and is less widely available than Economy 7.

Navigating the world of energy tariffs can seem daunting, but understanding options like Economy 7 empowers you to make informed decisions about your household's energy consumption. By carefully evaluating your usage, understanding your meter type, and comparing available tariffs, you can potentially unlock substantial savings and contribute to a more efficient energy network for everyone. Whether you embrace the night for cheaper power or opt for the simplicity of a single rate, the key is to choose a tariff that truly aligns with your lifestyle and energy needs.

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