Upgrading from SMETS1 to SMETS2: What Octopus Energy Customers Need to Know

Smart meters are designed to make managing your energy usage easier, but not all smart meters are created equal. If you’re an Octopus Energy customer with a first-generation SMETS1 smart meter, you may have experienced issues such as your meter going “dumb” when switching suppliers. Fortunately, there’s a solution: upgrading to a SMETS2 smart meter.

Here’s what you need to know about the SMETS1 to SMETS2 upgrade process with Octopus Energy, including the benefits, eligibility, and practical tips to make the transition smooth.


What Are SMETS1 and SMETS2 Meters?

  • SMETS1 (Smart Metering Equipment Technical Specifications v1):
    These were the first generation of smart meters rolled out across the UK. While they offered smart functionality, many lost their features if a customer switched to a different energy supplier.
  • SMETS2 (Smart Metering Equipment Technical Specifications v2):
    These are the newer, more advanced meters that maintain smart functionality even when you change suppliers. They are connected to a central network, the DCC (Data Communications Company), making them more flexible and future-proof.

Why Upgrade to SMETS2?

Upgrading brings several advantages:

  • Keep Smart Features When Switching: SMETS2 meters continue to work smartly, regardless of your energy provider.
  • More Accurate Bills: Real-time usage is transmitted reliably, reducing the need for estimated readings.
  • Enhanced Compatibility: SMETS2 meters support a wider range of tariffs, including dynamic and time-of-use plans like Octopus Agile or Go.
  • Future-Proof Tech: As the energy industry evolves, SMETS2 meters are more likely to support innovations in energy management and green technology.

What Is Octopus Energy Doing About SMETS1 Meters?

Octopus is actively migrating compatible SMETS1 meters onto the central DCC network. This process, known as “enrolment and adoption,” aims to restore smart features without needing a physical replacement.

However, not all SMETS1 meters can be enrolled due to manufacturer or firmware limitations. In these cases, Octopus may offer an upgrade to a SMETS2 meter at no cost to the customer.


How Do I Know If I Need an Upgrade?

Here’s how to find out:

  • Check Your Smart Meter Status: If you can no longer see your real-time usage in the Octopus app or if your in-home display has stopped working, your SMETS1 meter may have lost smart functionality.
  • Contact Octopus Support: They can check whether your SMETS1 meter is eligible for DCC enrolment or if an upgrade is required.
  • Look for a Replacement Offer: In some cases, Octopus will proactively reach out to customers to offer a SMETS2 upgrade appointment.

The Upgrade Process: What to Expect

If you’re eligible for a SMETS2 upgrade, here’s how the process typically works:

  1. Booking an Appointment: You’ll be invited to choose a convenient time for an engineer to visit.
  2. Installation Day: The engineer will remove your old SMETS1 meter(s) and install SMETS2 replacements. Power and gas may be temporarily shut off.
  3. Setup & Testing: The engineer ensures the new meters are correctly paired and transmitting data.
  4. Post-Installation: Your Octopus app should update within a few days, allowing you to monitor energy use in near real time.

Tips for a Smooth Upgrade

  • Clear Access: Ensure there is easy access to your existing meters for the installation team.
  • Plan Ahead: Installation typically takes 1–2 hours, so allow enough time and avoid scheduling during important work-from-home meetings.
  • Retain the IHD: Your in-home display will usually be replaced with a new one, but confirm with the engineer before discarding the old one.

Is There a Cost?

There is no cost. Octopus Energy typically covers the full cost of the SMETS2 upgrade, including installation, for customers transitioning from unsupported SMETS1 meters.


Can I Say No to the Upgrade?

Yes, smart meter upgrades are not mandatory. However, keeping your current SMETS1 meter may result in:

  • Losing access to innovative Octopus tariffs
  • Reduced billing accuracy
  • Inability to fully manage your energy usage via the app

Final Thoughts

Upgrading from a SMETS1 to a SMETS2 meter is a smart move for most Octopus Energy customers. It restores full smart functionality, unlocks access to flexible tariffs, and future-proofs your home for the evolving energy landscape.

If you’re unsure about your meter’s status or have questions about the process, reach out to Octopus customer support. They’re known for their responsive and helpful service.

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