Date: 18th March 2026

Breaking Down the April 1st Energy Price Drop

Following the government's recent intervention to reduce energy levies, Octopus Energy has confirmed significant price reductions starting April 1st, 2026.

Since writing this blog post due to the situation in Iran prices are highly volatile and can and are changing on a daily basis. For latest renewal tariffs click here.

For those on the Intelligent Octopus Go tariff, these changes represent a massive opportunity to slash your home running costs—especially if you combine the new rates with smart battery storage.

The New Rates: What’s Changing?

The forthcoming government intervention has allowed Octopus to significantly drop both their daytime and overnight rates. Here is the breakdown of the new pricing structure:

  • Overnight Rate: Dropping from 7p down to just 3.5p per kWh.
  • Day Rate: Dropping from 26.46p down to 22.95p per kWh.

This means your "super off-peak" window is now half the price it was, while your peak electricity is also becoming more affordable.

Maximize Your Savings with the Tesla Powerwall 3

If you are already benefiting from an EV tariff, adding a Tesla Powerwall 3 is the missing piece of the puzzle. It allows you to "time-shift" your energy: you charge the battery at 3.5p overnight and use that stored power during the day instead of paying 22.95p.

The Math (Based on one 13.5kWh Powerwall 3):

  • Cost to fully charge overnight: Only 47.25p
  • Value of that energy during the day: £3.10
  • Daily Saving: £2.62

The Cumulative Impact:

  • Weekly Saving: £18.38
  • Monthly Saving: £79.64
  • Annual Saving: £955.77

Why Choose Wil-lec Group?

As Grimsby’s local energy experts, we want to make high-end energy independence accessible to everyone. We specialize in the core technologies that drive these savings: Solar & Battery Storage, EV Charging, and High-End Bathrooms.

To help you get started, we are currently offering:

  • 3 Years Interest-Free Finance: Spread the cost of your installation without paying a penny in interest.
  • £750 Tesla Rebate: For a limited time, Tesla is offering a £375 rebate per unit (up to £750 for two units), payable via a prepaid Visa card.

Ready to lock in these savings?

Don't let the 3.5p rate go to waste. Visit our dedicated Tesla Powerwall page to learn more or book a survey.

Gary Stafford Business Development Manager