**Yes, act before 28 November 2026.** Log in to your online account or app and select **Fixed Saver 27**. If you don't, you'll be moved to the Standard Variable tariff at **34.1p/kWh** (plus a 61.2p/day standing charge), up from your current **24.6p/kWh**. The updated T&Cs don't need any action from you.