Octopus Energy vs E.ON Next

Compare the tariffs available to your home, not an old impression of either supplier. Start with your current equipment and usage, then check what would need to change if you later add an EV, solar panels, a battery or a heat pump.

Pricing

For a plain dual-fuel household, the main question is whether you are comparing standard variable pricing, a below-cap product like Next Pledge or a more specialist tariff. E.ON's current offers are built to show that some customers can beat the cap without jumping straight into a fully dynamic tariff. That is a more serious proposition than the old "big supplier at the cap" stereotype.

Octopus Flexible still tends to be competitive, but Octopus's stronger case is usually the shape of the tariff range rather than one headline unit rate. If you can shift usage, Go, Intelligent Go, Agile, Tracker or Cosy can change the maths more than a modest flat-rate saving. If you will not change how you use energy, the gap between these two suppliers is smaller than a lot of affiliate-style comparison copy pretends.

E.ON's Next Smart Saver is a separate household time-of-use option, not an EV smart-charging tariff. It uses fixed off-peak periods from 5am to 4pm and 7pm to 2am, a super off-peak period from 2am to 5am and a 4pm to 7pm peak. That makes it a more predictable schedule than Octopus Agile, whose prices change every half hour. Compare the full regional quote and your likely peak use, not E.ON's example saving. Next Smart Saver also depends on a working smart meter, half-hourly readings, monthly Direct Debit and online account management. Check Next Smart Saver.

Smart tariffs

Next Drive Smart gives the whole home a six-hour midnight-to-6am window. Standard Next Drive remains the separate simpler fixed-window tariff. Use the personalised quote and tariff confirmation as the source of truth because regional day rates, product versions and eligibility can change.

This is where E.ON Next has become harder to wave away. Next Drive Smart is now the main reason an EV household might stay put, because the product is closer to a whole-home smart tariff than the old version of this page allowed. The discounted window is whole-home from midnight to 6am. App-scheduled daytime EV charging can also bring the home onto the smart-charge rate while the car charges, Boost can fall back to the peak rate and compatibility should be checked through a supported vehicle connection or a supported smart charger.

Confirm the tariff is active before relying on the cheap window. E.ON's Next Drive Smart FAQ says smart-meter checks can take up to five days for existing customers, who stay on their current tariff, or up to two weeks for new customers, who stay on Next Flex during the checks. Switching supplier and activating Next Drive Smart are separate steps. Check your tariff confirmation and start date rather than assuming the app connection alone changes your rates.

Smart charging is an ongoing requirement, not an optional extra. The Next Drive Smart terms require you to connect your EV or charger in the Next Home app and set charging preferences within the first 30 days on the tariff, then use smart charging consistently. E.ON can move you to another tariff if you do not. Direct Debit and half-hourly meter readings are also required. Follow the setup guidance for your connection and avoid conflicting car or charger schedules. If you want to manage your own overnight schedule instead, compare standard Next Drive with Octopus Go.

Octopus offers several different models. Agile gives you half-hourly wholesale pricing, Go offers a simple overnight window, Intelligent Go adds smart EV scheduling, Tracker follows daily wholesale rates and Cosy is tailored for heat pumps. Check today's local Octopus rates before deciding. For Intelligent Go charging outside the fixed 23:30-to-05:30 whole-home window, do not assume the EV slot also discounts other household use. Check the applicable smart-tariff terms and confirm the household rate with Octopus before shifting appliances or battery charging, then check the corresponding billed periods. E.ON says a qualifying daytime Next Drive Smart charging period brings the whole home onto its smart-charge rate. If you add solar, a battery or a heat pump, check the combined import, export and device-control requirements before assuming your current tariff will still fit.

E.ON also offers Next Pumped for heat pumps and Next Smart Saver for household time-of-use pricing. Compare the actual eligible tariffs for your home. Their names and the size of the supplier's range do not establish which setup will be cheaper or easier to manage.

If you have an EV, this is the real decision point

For an EV household, the useful comparison is between the charging routines each eligible tariff supports. Check the home-charging setup, overnight and daytime use, smart-charging requirements and total household cost before deciding whether to stay or switch.

The most useful next step is to compare the whole tariff, not only the overnight number. Check the daytime unit rate, whether the cheap window covers the whole home, whether the tariff is fixed or flexible, and what happens if you later want to move to something more specialised. Include standing charges and any exit fee, not just the EV charging cost.

If you want to dig into the EV side properly, the Octopus Go guide and Intelligent Go guide will help you sanity-check the trade-offs before you move.

Customer service

Octopus has a 4.8/5 Trustpilot rating from 851,000+ reviews. E.ON Next still sits around 4.5 out of 5, which is a strong result for a large supplier. That alone should stop this page from treating E.ON as an obvious write-off.

Use the Citizens Advice customer-service comparison alongside customer reviews. It covers complaints, contact waiting times, billing and metering and customer commitments. Check the reporting period and the categories that matter to you rather than treating a review score as a guarantee of support quality. The separate app is a setup requirement, not evidence that one supplier gives better service.

Where E.ON Next has strengths

Current EV positioning is much sharper. The biggest change is that E.ON's EV offer now has a clearer whole-home benefit. Next Drive Smart is not just a cheap car-charging line in a table. The overnight discounted window applies across the home, and E.ON says smart-charged daytime sessions can also bring that discounted rate to the whole home while charging is scheduled. Check E.ON for the current regional day rate and eligible vehicle or charger list before comparing.

Below-cap and low-exit options make staying put easier. Some E.ON tariffs are clearly built to stop customers feeling they must leave to get a respectable deal. That matters if you are broadly happy and only need a decent fix, a simpler EV setup or a heat-pump tariff without much fuss.

Account management and smart charging use different apps. The E.ON Next app handles account tasks such as bills and payments. Next Drive Smart requires the separate E.ON Next Home app for charging preferences and the supported vehicle or charger connection. Check that you can complete and maintain that setup before choosing the tariff.

The verdict

E.ON Next is now a credible stay-put supplier for more households than it used to be, particularly if you are weighing up Next Drive Smart, Next Pumped or one of the current below-cap offers. If your needs are simple and the quote works, there is no need to move just because Octopus is the louder name online.

Compare the whole-home quote for the equipment you actually have, with a separate check for any planned solar, battery or heat-pump installation. Confirm the meter and device eligibility, import and export pairing, charging controls, day and night usage and exit fees. Octopus's specialist tariff choices are worth comparing, but they do not make it the automatic winner for a more complex home.

Want to see real numbers? The tariff comparison tool will show you live Octopus rates for your postcode.

Octopus Energy rates update automatically. Other supplier rates and public charging costs were correct as of October 2026 and may have changed.