EDF vs E.ON Next: Business Energy Comparison

This business energy comparison looks at tariffs, contract length, pricing structure, renewable credentials, customer service, smart tech and fees, so you can weigh up EDF against E.ON Next for your own business.

EDF vs E.ON Next at a Glance Comparison

Which Supplier Offers Better Business Energy Tariffs?

Neither EDF nor E.ON Next publishes a single standard business rate, because pricing depends on:

• Business location

• Annual consumption

• Industry type

• Meter type

• Contract length

• Credit profile

• Regional distribution charges

It's worth noting that the two suppliers structure their tariff ranges quite differently. EDF's small business range is built almost entirely around fixed and variable contracts rather than time-of-use pricing, while E.ON Next offers a dedicated smart, time-of-use product for businesses that can shift load, alongside its standard fixed tariff.

EDF Tariffs

Fixed for Business
Rates are locked in for one to four years, with a discount available for businesses that pay by monthly Direct Debit.

Best for:

• Businesses that want the longest possible price lock-in on the market

• Budget certainty without managing time-of-use pricing

• Sole traders and small offices that want a set-and-forget contract

Fixed for Business Online
EDF's cheapest tariff, priced lower in exchange for managing the account entirely online, with no phone-based account support included.

Best for:

• Digitally confident businesses that don't need phone support

• Businesses prioritising the lowest possible unit rate over service channels

Fixed Online Zero Standing Charge
The daily standing charge is removed entirely, with that fixed cost built into a higher unit rate instead, available across one, two, three or four-year terms.

Best for:

• Low-usage or seasonal businesses that don't want to pay a fixed daily fee regardless of consumption

Fixed Renewable Tariff
A fixed-price tariff with electricity certified 100% renewable and backed by Renewable Energy Guarantees of Origin (REGOs).

Best for:

• Businesses that want to evidence renewable sourcing formally, alongside price certainty

Freedom for Business
A variable tariff with weekly price reviews and no exit fees, so businesses can leave at any time without notice.

Best for:

• Businesses that want flexibility to switch if a better deal appears

• Businesses uncertain about their premises or usage over the coming year

E.ON Next Tariffs

E.ON Next Business Fixed
The standard SME product, on a 12 or 24-month fixed contract, with a smart meter required and the account set up and managed entirely online through the E.ON Next portal. The per-kWh rate and standing charge are both locked for the term, and this is what over 70% of E.ON Next business customers are on.

Best for:

• Budget certainty over a short-to-medium term

• SMEs that want a single, predictable quote

• Businesses happy to manage their account online

Next Smart Saver Business
A smart time-of-use tariff aimed at SMEs that can shift load, with a cheaper unit rate at off-peak periods (typically 9 pm to 7 am and weekends) and a more expensive rate at the 4 pm to 7 pm evening peak. Net savings for shiftable loads are usually 0.8 to 2p/kWh on the all-in rate, and the tariff needs an SMETS2 meter in half-hourly-enabled mode.

Best for:

• Businesses that can move usage away from the evening peak

• Sites with SMETS2 smart meters already installed

E.ON Drive for Business
For businesses installing EV chargers on-site, whether at a depot, car park or customer-facing location, E.ON Drive bundles charger hardware, installation, back-office management and the energy supply, with public-charging-network access also available. SMEs may also be eligible for a government EV infrastructure grant of up to £15,000 towards charger installation and supporting parking infrastructure.

npower Business Solutions
For Mid-Market and Large I&C corporates, typically businesses using 500,000 kWh or more a year, accounts sit with npower Business Solutions, the dedicated B2B brand within the E.ON Group, on its own platform with named account managers and flexible procurement capability.

Tariff Comparison Table

Winner: EDF, for businesses that want the longest fixed terms, a zero standing charge option, or the freedom to leave a flexible contract without notice. E.ON Next remains the stronger choice for businesses that specifically want a smart, time-of-use tariff or a bundled EV charging infrastructure package.

How Do Contract Lengths Compare?

EDF Contract Terms

E.ON Next Contract Terms

EDF vs E.ON Next Pricing

Business energy quotes typically include:

Unit Rate

Price charged for each kWh consumed. Third-party sample quotes put a typical SME on an EDF two-year fixed contract at around 28.8p/kWh for electricity and 8.8p/kWh for gas as of August 2026, though EDF, like most business suppliers, doesn't publish a static rate card, so your actual quote will vary by postcode and usage. E.ON Next's regional averages for its standard fixed tariff work out at around 25.21p/kWh for electricity and 6.49p/kWh for gas, excluding VAT and one-off discounts.

Standing Charge

Daily fee covering infrastructure and administration. EDF's standing charge varies by region and tariff, and it's one of the few suppliers offering a zero standing charge option on its Fixed Online Zero Standing Charge tariff, where that cost is folded into a higher unit rate instead. E.ON Next's published regional average standing charge sits at around 54p a day for electricity and 29p a day for gas, though other quote samples put SME electricity standing charges between 38 and 52p a day, and gas between 28 and 42p a day.

Pass-Through Charges

May include:

• Network costs, as explained in our guide to pass-through and fully fixed energy contracts

• Balancing charges

• Government levies

Capacity Charges

Applicable to some larger business connections with both suppliers, particularly on half-hourly meters.

Pricing Transparency Comparison

Which Supplier Has Better Renewable Energy Credentials?

Sustainability is becoming increasingly valuable to UK businesses, and this is one area where EDF and E.ON Next differ more than the headline numbers suggest, because EDF's green story isn't just about certificates.

EDF Sustainability Initiatives

Offers:

• Standard electricity backed by EDF's own low-carbon generation, spanning nuclear, wind and solar

• A dedicated Fixed Renewable Tariff, formally REGO-backed for businesses that need to evidence renewable sourcing

• Britain's largest single investment in new nuclear capacity, Hinkley Point C, plus an expanding onshore and offshore wind portfolio

Pros

• One of the few suppliers that generates a meaningful share of the electricity it sells, rather than buying wholesale and matching it with certificates

• Long-standing investment in UK nuclear and renewable infrastructure

Cons

• Time-of-use and half-hourly renewable matching products are far less developed than at Octopus or E.ON Next

• Nuclear generation is zero-carbon at the point of use, but some sustainability-focused buyers prefer wind, solar or REGO-only sourcing specifically

E.ON Next Sustainability Initiatives

Offers:

• 100% renewable electricity across E.ON Next's tariffs

• REGO-backed renewable certification available as standard on selected tariffs

• E.ON Drive EV charging infrastructure to support fleet electrification

Pros

• Renewable electricity backed by independently verified REGO certificates

• Established EV charging proposition for fleet and depot customers

Cons

• E.ON Next doesn't generate power directly in the way EDF does; its renewable claim rests on REGO purchasing rather than owned generation assets

• Less emphasis on half-hourly renewable matching than time-of-use specialists

Sustainability Comparison

Winner: EDF, for businesses that specifically want to buy from a supplier that generates the low-carbon power it sells, rather than one that sources it entirely from the wholesale market. E.ON Next is the stronger option for businesses that want REGO-certified renewable electricity paired with a practical EV charging rollout.

Customer Service Comparison

Customer support can have a major impact on small businesses when problems arise.

EDF Business Support

Channels include:

• Phone-based small business sales and account team, plus online account management via MyAccount

• A dedicated small business Advice Hub with grant, funding and efficiency guidance

• Call-back booking for businesses that don't have time to call in during working hours

Strengths

• A strong Trustpilot rating of around 4.8 out of 5 from more than 250,000 reviews, though this figure covers EDF's residential and business customers together rather than a business-only panel, so we'd treat it as directional rather than exact

• Weekly price reviews on variable tariffs, giving visibility into how rates move

Weaknesses

• The cheapest tariff, Fixed for Business Online, removes phone-based account support entirely

• Some historical service disruption is still associated with the Opus Energy customer transfer completed in 2024

E.ON Next Business Support

Channels include:

• UK-based contact centres, plus WhatsApp and live chat support staffed by humans rather than bots for billing and contract issues

• Dedicated account managers for sites using 100,000 kWh or more

• E.ON Next online portal for account and usage management

Strengths

• Average phone wait times of 3 to 5 minutes, a significant improvement since the move onto the Kraken platform in 2023

• A strong Trustpilot rating of around 4.5 out of 5 from over 217,000 reviews

Weaknesses

• The npower B2B customer migration caused service disruption, and some historical complaints still linger

• Business-focused online tools lag behind dedicated B2B platforms

Customer Service Scorecard

How Do Smart Meters and Tech Compare?

EDF Technology Solutions

• Smart meters supported across the fixed range, required for EV-specific tariffs

• EV charging infrastructure through a Pod Point partnership, alongside fleet leasing and salary sacrifice schemes via DriveElectric

• Vehicle-to-grid (V2G) smart charging technology in partnership with Nissan, aimed at fleet operators

• MyAccount online portal for billing, usage and contract management

Ideal For

• Businesses electrifying a company car fleet through leasing rather than installing standalone chargers

• Sites wanting a straightforward fixed contract without managing time-of-use pricing

E.ON Next Technology Solutions

• SMETS2 smart meters required for time-of-use and EV tariffs, with half-hourly read capability

• E.ON Drive bundles EV charger hardware, installation and back-office (OCPP) management, plus access to a government infrastructure grant

• E.ON Next online portal for billing, usage and account management

Ideal For

• Businesses installing EV charging infrastructure as a single, on-site package

• Sites wanting a straightforward smart meter and time-of-use setup

Technology Comparison

Business Energy Charges

Additional fees may apply with either supplier.

Common Charges

Key Consideration

Businesses should avoid rolling onto out-of-contract rates, which are typically far more expensive than contracted tariffs, whichever supplier you choose. It's also worth checking whether your meter is due to move onto half-hourly settlement, since this can open up tariffs that weren't previously available to your site.

Pros and Cons of EDF

Advantages

Owns Its Own Generation As Britain's biggest generator of low-carbon electricity, EDF can back its supply with nuclear and renewable assets it operates directly, rather than sourcing entirely from the wholesale market.

Longest Fixed Terms on the Market Fixed contracts run up to four years, useful for businesses that want to lock in a rate and stop thinking about renewal dates.

No-Exit-Fee Flexibility Freedom for Business allows businesses to leave at any time without notice, which suits sites that are uncertain about their future usage or premises.

Zero Standing Charge Option A rare feature among major suppliers, useful for low-usage or seasonal sites.

Disadvantages

Cheapest Tariff Drops Phone Support Fixed for Business Online is priced lower specifically because it removes phone-based account management.

Weaker Time-of-Use Range for SMEs Businesses that want to actively shift consumption to cheaper periods have far fewer options with EDF than with a time-of-use specialist.

Trustpilot Score Isn't Business-Specific EDF's headline rating blends residential and business reviews, so it's a less precise signal of business service quality than a dedicated business panel would be.

Pros and Cons of E.ON Next

Advantages

Dedicated Time-of-Use Product Next Smart Saver Business rewards businesses that can shift load away from the evening peak.

Improved Service Since Moving to Kraken The shift onto the Kraken platform in 2023 brought a marked improvement in service, with phone wait times now averaging 3 to 5 minutes.

Bundled EV Charging Infrastructure E.ON Drive combines charger hardware, installation, back-office management and access to a government grant of up to £15,000 in a single package.

Established Large-Business Support Larger businesses are handled by npower Business Solutions, a dedicated B2B brand with named account managers and flexible procurement capability.

Disadvantages

No Owned Generation E.ON Next's renewable claims rest on REGO purchasing rather than power it generates itself, which matters to some sustainability-focused buyers.

Shorter Standard Fixed Terms for SMEs The standard SME product is limited to 12 or 24-month fixed contracts, well short of EDF's four-year maximum.

No Zero Standing Charge Option Unlike EDF, there's no way to remove the daily standing charge entirely on the standard SME product.

Which Supplier is Better for Which Business Types?

EDF vs E.ON Next: Side-by-Side Summary

Key Questions to Ask Before Deciding

Before signing a business energy contract, compare:

1. What is the standing charge, and is there a zero or no standing charge option?

2. What is the unit rate?

3. Is the tariff fixed, flexible or time-of-use?

4. Are there exit fees?

5. What happens at contract renewal?

6. Are renewable or half-hourly matched tariffs available?

7. Can smart meters be installed, and how are they used?

8. How are out-of-contract rates handled?

9. Is a dedicated account manager provided, and at what usage threshold?

10. Can multiple sites be managed under one agreement?

Verdict: EDF or E.ON Next for Business Energy?

The right supplier depends largely on your business priorities.

Choose EDF if you want:

• The longest fixed-term contracts available in the small business market

• A supplier that generates a meaningful share of its own low-carbon electricity, rather than buying it all wholesale

• A zero standing charge option for a low-usage or seasonal site

• The freedom to leave a variable contract at any time without notice

Choose E.ON Next if you want:

• A time-of-use tariff that rewards shifting consumption away from the evening peak

• A bundled EV charging infrastructure package with installation and grant support built in

• The improved service turnaround E.ON Next has delivered since moving onto the Kraken platform

• Access to named account management and flexible procurement once your usage passes 100,000 kWh, or 500,000 kWh for npower Business Solutions

For most small businesses, day-to-day supply quality differs little between suppliers, because all providers use the same national infrastructure. When it comes to contract length and owned generation, EDF tends to edge ahead, particularly for businesses that want price certainty for several years or care specifically about where their electricity is generated.

When it comes to time-of-use flexibility and EV charging infrastructure, E.ON Next is generally the stronger fit. Either way, it's worth using our business energy comparison tool to check current quotes against other suppliers before you sign.