Wholesale energy prices

What wholesale energy prices are and how they affect bills

Energy's a complicated business, we know. But part of being straight up means demystifying the stuff that's always been a bit smoke and mirrors, like wholesale energy prices.

We keep a beady eye on wholesale prices, buy smart and pass on the savings to you through our energy plans. This (and keeping our running costs as low as possible) is how you get cheaper, greener electricity and gas.

In this guide we are going to try and explain what wholesale energy prices are, how important they are for bills, and how they have changed over the years.

What are wholesale energy prices?

Wholesale energy prices are those set by the traded market, and they can change every day – generally going up and down with supply and demand.

In winter, for instance, people turn their heating up and put their lights on earlier, which creates more demand and pushes prices up. However, in the longer term, energy prices are affected by many things – particularly what’s happening in global energy markets.

How important are wholesale energy prices?

Wholesale energy prices play an important role in energy bills.

According to data from Ofgem, the market regulator, by 2013 wholesale energy prices accounted for almost half of the average dual fuel bill, costing each household over £600 per year (see below).


Average dual fuel breakdown


The next major contributors to the total bill were network costs (£282), operating costs (£168) and environmental and social levies (£111). These figures are the averages for the Big Six energy companies.

For further information check out Ofgem’s outlook for costs that make up energy bills – their graphs and charts detail your bill breakdown in more depth.

Have wholesale energy prices been driving bills up?

With wholesale energy prices making up almost half of the average home’s energy bills, there has been a lot of discussion about their role in increasing costs.

Indeed, research by the Climate Change Committee shows that over the last decade, rising wholesale energy prices have been the major issue pushing up bills (see below).


Cost changes dual fuel


In the decade from 2004 to 2013, the average dual fuel bill rose by almost £500 a year. Although there were also significant increases in network and operating costs, as well as those from environmental and social programs, these were largely cancelled out by a reduction in energy demand.

The huge rise in wholesale costs has been the biggest issue for households, and largely reflects the increasing exposure of the UK to international energy markets. As late as 2003, the UK was still a net exporter of natural gas; just 10 years later, and we import more than 50% of the gas we use. The introduction of the UK to expensive natural gas, like LNG from Qatar, has certainly played a large part in the increase in energy prices over the last decade.

What does OVO do to keep costs down?

Since we don’t generate our own energy, we have to buy it from the wholesale energy market. We have our own team of traders and analysts, who monitor price movements throughout the day so we can buy at the right time. That’s how we purchase your energy at the very best prices, then pass the savings to you.

You won't see prices going up and down on your bill if you're on the Better or Greener Energy Plan, because you fix your price at the beginning. This means you know what you'll pay today and tomorrow, even when wholesale energy prices go up. But if you're on our variable rate Simpler Energy Plan, we pass savings directly to you month-to-month.

The chart below gives you an idea of how wholesale prices have changed in recent times.


Wholesale gas prices

gas wholesale prices


Wholesale electricity prices

Electricity wholesale prices

*Source and notes for graphs and table

Average UK Dual fuel bill breakdown

Note: AAll figures expressed in terms of 2014 prices. Based on data from Big 6 firms. Source OFGEM, Outlook for costs that make up energy bills.

Cost changes in dual fuel bills 2004-2014

Note: CCC calculations based on DECC Quarterly Energy Prices and Ofgem Supply Market indicators. Source CCC Energy Bill Supporting data.

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Please see below for full terms and conditions on 33% renewable electricity, 3% interest rewards, exit fees and saving claims.


1Monthly cost - Representative monthly direct debit costs based on a non-economy-7, dual-fuel, medium user (3100 kWhs elec. and 12500 kWhs gas) paying in advance by direct debit, including online discount.  All rates correct as of 15/1/2018, but may go up or down.

2Weekly cost - Representative weekly costs based on a non-economy-7, dual-fuel, medium user (3100 kWhs elec. and 12500 kWhs gas).  All rates correct as of 22/11/2017, but may go up or down.

3Pay Monthly Savings claims: Saving based on the estimated annual cost of OVO Two year fixed tariff for a non-economy-7, dual-fuel, medium user (3100 kWhs elec. and 12500 kWhs gas) paying monthly in advance by direct debit, including online discount. Comparisons made against the average of the Big 6 standard variable tariffs with equivalent features. All rates correct as of 15/1/2018.“The Big 6” are British Gas, Scottish Power, SSE, Npower, E.ON and EDF.

4Pay As You Go Savings are based on the average estimated annual costs for new PAYG OVO customers quoted through the OVO website (based on household and/or consumption information provided by those customers), compared to their current supplier and tariff. Comparisons taken between 01/01/2016 and 11/10/16. Incl VAT. Actual savings may vary according to your current supplier or tariff, individual tariff options, household information, consumption and location. 

We include almost twice as much renewable electricity as the national average: At least 33% of electricity in all of our tariffs comes from renewable sources. The national average, according to Ofgem as at March 2014 was 16.7%. For more information please visit this page.

33% of your electricity comes from renewable sources: 33% renewable electricity as standard as of 1st April 2015. Renewable electricity is generated from wind, solar, geothermal, wave, tidal, hydro, biomass, landfill gas, sewage treatment plant gas and biogas.

3% interest: Calculated at 3% per year for customers paying by advance direct debit.  The OVO Interest Reward is paid monthly based on   number of days in credit and the amount left in your account after you’ve paid your bill,  and the credit balance on which you can earn the OVO Interest Reward is capped. Terms apply:

95% of new customers save when switching to OVO: Savings based on the average estimated annual costs for all new OVO customers quoted through the OVO website, compared to their current supplier and tariff. Comparisons taken between 01/05/2016 and 11/10/16. Incl VAT.

94% of surveyed customers would recommend us: OVO conducted a survey of their customers in between 1st January 2016 and 15th April 2016. Out of 15,312 customers who responded, over 94% rated OVO 6+ when asked 'how likely would you be to recommend us to a friend and family, on a scale of 1 to 10.

uSwitch's Energy Supplier of the Year: OVO energy was voted and awarded  'Energy Supplier of the year' and best for: Overall Customer Satisfaction, Most Likely to be Recommended, Value for Money, Best Deal for You, Customer Service, Billing Services, Energy Efficiency, Meter Services, Online Services, Green Services and Transfer Process. OVO Energy scored a 96% customer satisfaction score.

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