Understanding the Nuclear RAB Charge and TNUoS Tariff Rises: What They Mean for Your Energy Costs

Your non-commodity energy costs are set to rise significantly. Our partners at True Group have published an essential briefing on two major UK electricity bill increases coming from late 2025: the new Nuclear Regulated Asset Base (RAB) charge (to fund new nuclear power) and steep TNUoS tariff rises (to fund grid upgrades).

The key takeaway for protecting your budget is simple: the best way to mitigate incoming cost increases is to not use the kWh. Understanding these regulatory shifts is essential, but ultimately, driving efficiency is the only way to retain control.

Read more from our partner’s article here: