--- title: "Smart meter booster: what you need to know" description: "Smart meter booster: learn what an Alt HAN device is, why your smart meter might need one, and how your energy supplier can help improve your signal." url: "https://www.fuseenergy.com/blog/smart-meter-booster" updated: "2026-10-18" --- # Smart meter booster: what you need to know If your smart meter isn't reliably sending readings, you might need a signal boost. This smart meter booster is technically known as an Alternative Home Area Network (Alt HAN) device. It's designed to extend the communication range of your smart meter, especially in properties with thick walls or poor network coverage. Crucially, these devices are provided and installed by your energy supplier, not something you purchase yourself. If you're experiencing smart meter signal issues, switching to an energy supplier that prioritises reliable connectivity and accurate billing can make a real difference. Fuse Energy offers clear pricing and aims to ensure your smart meter works seamlessly. Click [here](https://www.fuseenergy.com/app/boarding/premises) to switch to Fuse Energy today. ## Understanding smart meter boosters (Alt HAN devices) Smart meters rely on signal strength to transmit data accurately and automatically to energy suppliers. When this signal is weak, it can lead to estimated bills, loss of smart meter functionality, and reduced benefits for the homeowner. ### What is an Alt HAN device? An Alt HAN device is the official name for what many homeowners refer to as a smart meter booster. It's a technical solution developed for the UK energy sector to overcome connectivity issues that prevent smart meters from reliably communicating with the wider energy network. These devices are designed to extend the communication range of a smart meter, particularly in properties where the standard smart meter signal (Home Area Network or HAN) doesn't reach far enough. > **What does Alt HAN stand for?** > > Alt HAN stands for Alternative Home Area Network. It's a system designed to provide an alternative communication pathway for smart meters in areas where the primary communication network struggles to reach, ensuring consistent data flow for accurate billing and energy management. ### Why your smart meter might need a booster Your smart meter might need a booster if it's struggling to communicate with your energy supplier. Common symptoms of a poor smart meter signal include receiving estimated bills instead of accurate ones based on your actual usage, or your in-home display (IHD) frequently losing connection or showing outdated information. These issues often arise in properties with thick walls, basements, remote meter locations (like a garage or outbuilding), or areas with poor network coverage. ### How Alt HAN improves signal strength Alt HAN devices work by creating a more resilient communication pathway between your smart meter and the wider data network. They can amplify the smart meter's signal or relay it over a different medium to reach the network that sends data to your energy supplier. This helps to bridge communication gaps, ensuring your smart meter can consistently send its readings and receive commands even if the direct signal is weak. It's important to note that smart meters use dedicated, secure networks, so generic Wi-Fi extenders or third-party boosters are ineffective. ## How to get a smart meter booster If you suspect your smart meter has signal issues, the process to get an Alt HAN device is straightforward and involves your energy supplier. ### Contacting your energy supplier The first step is to contact your energy supplier to report the smart meter signal issue. They are responsible for the installation, maintenance, and connectivity of smart meters in their customers' homes. Your supplier will diagnose the problem, potentially remotely or via an engineer visit. If they confirm that an Alt HAN device is needed, they will arrange for its provision. ### The installation process Energy suppliers provide and install Alt HAN devices. This means you won't need to purchase or install the device yourself. An engineer will typically install the device in your home. It's crucial that these devices remain plugged in to maintain the connection. ### What to expect after installation After an Alt HAN device is installed, you should expect your smart meter to start sending accurate, automatic readings again. Your in-home display should also show real-time energy consumption and costs, and you should receive bills based on your actual usage, not estimates. If issues persist, contact your energy supplier for further investigation. ## Benefits of a strong smart meter signal A strong and consistent smart meter signal ensures you get the full benefits of your smart meter, making energy management easier and more accurate. ### Accurate billing and data With a reliable signal, your smart meter sends automatic readings to your energy supplier, which means you receive accurate bills based on your actual usage. This eliminates the frustration of estimated bills, which can sometimes be too high or too low, leading to unexpected adjustments. You'll also have access to real-time data on your energy consumption, helping you understand your usage patterns. ### Access to smart tariffs Many modern energy tariffs, including some designed for electric vehicle owners or those with solar panels, rely on accurate, half-hourly smart meter data. A strong signal ensures your meter can transmit this detailed information, making you eligible for and able to fully benefit from these tariffs. This allows for greater control over your electricity use when coupled with time-based rates. ### Enhanced energy management Reliable smart meter data is the foundation for effective energy management. By seeing your energy use in near real-time, you can identify high-usage appliances, adjust your habits, and make informed decisions to reduce your consumption. This enhanced visibility empowers you to take control of your energy usage and potentially lower your bills. ## Smart meter boosters for gas meters Gas smart meters have specific characteristics that can sometimes lead to signal challenges, but Alt HAN devices can often help. ### Gas meter signal challenges Unlike electricity meters, gas meters operate on battery power. This battery is sealed inside the meter and is not a user- or engineer-replaceable part. While gas meter batteries are designed to last for many years, a low battery can affect their ability to send readings. Additionally, the physical location of a gas meter, often further from the electricity meter's communications hub, can contribute to signal weakness. ### How boosters support gas meters Alt HAN devices are designed to extend the Home Area Network (HAN) signal, which includes communication with gas meters. If your gas meter is located far from your electricity meter or in an area with poor signal penetration, an Alt HAN device can help bridge this gap, ensuring that gas readings are also transmitted automatically and accurately. ### Addressing low battery issues A fully depleted battery on a SMETS1 gas meter can cause the gas supply to cut off due to an internal safety valve closing. This is a safety mechanism, not a fault. If your SMETS1 gas meter's battery dies, the entire gas meter needs to be exchanged by your energy supplier; the battery itself cannot be replaced. While a booster helps with signal, it does not resolve a dead battery. If your gas meter display is blank, pressing a button for about 10 seconds can often wake it up if it's in power-saving mode. If it remains blank, contact your supplier. ## Common questions about smart meter boosters Understanding what smart meter boosters are and how they work can clear up common misconceptions. ### Can I buy a smart meter booster? No, you cannot buy a smart meter booster (Alt HAN device) from retail stores or online. These devices are provided and installed by energy suppliers as part of their smart meter infrastructure. If your property requires one, your energy supplier will arrange for its provision and installation. ### Do smart meter boosters actually work? Yes, smart meter boosters (Alt HAN devices) are effective for extending the communication range of your smart meter within your property. They are specifically designed to overcome signal challenges caused by distance or physical obstructions like thick walls. However, they are not a universal fix for all smart meter problems; their purpose is to resolve signal strength issues. ### What if my signal issues persist? If your smart meter signal issues persist even after an Alt HAN device has been installed or after initial troubleshooting, you should contact your energy supplier again. They have specialist tools to diagnose network problems and can arrange for further investigation or an engineer visit if necessary. It's important to keep them informed so they can continue to work towards a resolution. Managing your energy bills should be clear and easy to understand. Fuse Energy focuses on straightforward pricing, so you can see exactly what you're paying without unnecessary complexity. If you have a smart meter, you can view detailed usage data through the app or website, helping you understand how you can lower your bills. If you don't have a smart meter, Fuse Energy can upgrade your non-smart meter, completely for free. This can make it easier to track spending and make informed decisions about your energy use. Our 24/7 human support team is always on hand with fast response times whenever you need help. Click [here](https://www.fuseenergy.com/app/boarding/premises) to switch to Fuse Energy today. Find out about our mission by clicking [here](https://www.fuseenergy.com/mission). --- Rates, availability, and regional off-peak windows change. Check the source page for current terms. **Disclaimer** For the avoidance of doubt, this article is provided for informational purposes only and is not intended to constitute legal or financial advice. The author and/or Fuse Energy shall not be responsible for any losses arising out of any reliance on the information contained herein.