So Energy

So Energy | Electricity, gas and dual fuel tariffs

Our review of So Energy sets out its gas and electricity tariffs, green credentials and pros and cons.

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Finder score
Expert analysis
Supplies 100% renewable electricity
Exit fees apply for fixed tariff deals

Founded in 2015, So Energy is one of a cohort of smaller providers challenging the “Big Six” energy firms, aimed at tech-savvy households looking for cheap, greener energy. All of the supplier’s electricity comes from 100% renewable sources.

Like a lot of the smaller providers, So Energy competes relatively well on price offering competitive dual fuel, electricity and gas tariffs.

Uniquely, So Energy enables its customers to tell it where it should source its energy from in future. The So Energy website hosts a poll allowing customers to vote for wind, solar, hydro or biomass.

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So Energy’s tariffs and service

Supplier nameSo Energy
Green tariffs
Fixed tariffs
Variable tariffs
Dual fuel deals
Manage online
Manage account via app
Manage account by telephone
Live chat support available
Email support available
Can install smart meters
Can offer Warm Home Discount
Percentage renewables (electricity)100%

Is So Energy green?

Yes, according to the data collected from So Energy by the industry regulator Ofgem, the firm sources the electricity it supplies to customers from 100% renewable sources.

So Energy customer reviews

So Energy scores highly across a range of customer satisfaction measures, according to data collected by the charity Citizens Advice. In 2020 the supplier saw an average of 4.5 complaints per 10,000 customers escalated to third parties including the Energy Ombudsman, a dispute resolution organisation recognised by the energy industry. This is one of the 10 lowest reported figures for the industry that year.

So Energy receives overwhelmingly positive online reviews based on feedback from customers using the Trustpilot review site. A whopping 83% of the 6,500 customer reviews posted to date give So Energy a rating of “excellent”. A further 9% rate the supplier as “great”.

Pros and cons of So Energy


  • Supplies 100% renewable electricity. So Energy ensures that all of the electricity it supplies is generated from 100% renewable sources, via the Government’s Renewable Energy Guarantees of Origin (REGO) scheme. It also gives its customers a say on where it should source its electricity from in future.
  • Competitive pricing. So Energy regularly offers some affordable fixed electricity tariffs.


  • No app or live chat function. So Energy doesn’t yet enable customers to manage their accounts via a smartphone app, nor does it offer a live chat function to deal with customer queries on its website.
  • Exit fees apply for fixed tariff deals. If you want to switch away from So Energy more than 49 days before the end of your fixed supply you’ll be charged £5 per fuel.

Our verdict: Is So Energy any good?

A relatively new, environmentally friendly supplier, So Energy seems well-liked by its customers. Its combination of competitive tariff deals and a strong reputation for the quality of its customer service make it a decent choice for anyone looking to switch their household energy supply.

The only thing to look out for is that customers on fixed tariffs looking to leave So Energy more than 49 days before the end of their contracted period will need to pay exit fees. But in fairness to So Energy, the exit fees of £5 per fuel are among the lowest when compared to early exit fees levied by competitors.

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★★★★★ — Excellent
★★★★★ — Good
★★★★★ — Average
★★★★★ — Subpar
★★★★★ — Poor

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