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Agile Octopus is an electricity tariff with a different unit price for every thirty minute period. Instead of paying one rate all day, customers see forty eight prices linked to the wholesale electricity market. The tariff can reward households that move flexible demand into cheaper periods, but it can become expensive when demand is high. This guide was checked on 10 July 2026.
Octopus publishes the following day's prices between 4pm and 10pm, usually closer to 4pm. Customers can then decide when to charge a car, run a washing machine, heat water, charge a home battery or operate other equipment. Each thirty minute rate applies only to electricity used during that period. A compatible smart meter records consumption throughout the day, allowing Octopus to match every portion of electricity use with the correct price. Agile is an electricity import tariff. A household using gas can place its gas supply on another suitable Octopus product, such as Flexible Octopus or Tracker.
Agile prices are linked to day ahead wholesale electricity prices. Octopus applies a regional formula covering wholesale energy and the costs of delivering electricity. The calculation includes a regional multiplier and an additional premium during the busiest early evening period. Values differ because network costs are not identical across Great Britain. From 1 April 2026, Octopus reduced Agile unit rates by 3.5 pence per kilowatt hour after the Government removed certain policy costs from domestic electricity bills. The reduction was automatic. The tariff also has a daily standing charge, payable even when no electricity is imported. Its amount depends on the customer's region and tariff quotation.
The most expensive period is commonly between 4pm and 7pm, when national demand rises as people return home, cook, heat buildings and use appliances. Costlier generation may be needed then. A customer who uses most electricity during this peak can find Agile disappointing. The tariff works best when substantial demand can be moved elsewhere, rather than when someone delays one small appliance. Cooking and essential household use cannot always be shifted. The practical question is how much flexible consumption the property actually has.
Wholesale electricity prices sometimes fall below zero when generation is plentiful and demand is low. This can happen during strong wind, high solar output or limited national demand. Agile passes negative prices to customers. During a negative period, a customer receives a credit for electricity used, although the standing charge still applies. Octopus calls this Plunge Pricing. Negative prices are not guaranteed. They occur only when market conditions create an oversupply, so customers must check published rates before increasing consumption.
Agile is not protected by the ordinary Ofgem price cap for standard variable tariffs. Instead, Octopus applies its Price Cap Protect limit of 100 pence per kilowatt hour, including VAT. That ceiling limits exposure, but 100 pence remains far above a normal standard tariff rate. Customers need enough financial flexibility to withstand expensive periods. For comparison, the Ofgem cap from 1 July to 30 September 2026 uses an average electricity rate of 26.11 pence per kilowatt hour for a Direct Debit customer. This does not predict whether Agile will be cheaper over a month or year.
Customers must be supplied by Octopus and have a smart meter from which Octopus can collect half hourly readings. The company can connect to second generation meters and certain first generation models, including compatible Secure meters. Someone moving from another supplier may initially join a standard Octopus tariff while the meter connection is established. Octopus says this commonly takes around fourteen days, although cases differ. Once half hourly data is received, the customer accepts the smart tariff terms and the account moves to Agile.
For customers joining under current terms, Agile is a variable rate tariff with a fixed term. Prices change throughout every day, but the pricing formula and standing charge are fixed for the agreed period. There is no exit fee. A customer who finds the volatility unsuitable can request another eligible Octopus tariff or switch supplier. Unlike Tracker, Octopus does not state a nine month waiting period for returning to Agile. Switching away should still be planned. Administrative changes can take time, and the next day's prices may change before a transfer completes.
Agile can work well for a home with an electric vehicle, battery, immersion heater, storage heating or heat pump that can respond to price signals. Automated controls reduce the need to check every period manually. A battery can charge during cheap periods and support the home when prices rise. An electric vehicle can absorb substantial low cost energy overnight or during a windy afternoon. Heat pumps can sometimes preheat a building before the evening peak, provided comfort and efficiency are maintained. Solar panels may reduce imported electricity during daylight, but their value on Agile depends on generation, consumption and the separate export tariff.
Agile may not suit a household that needs predictable prices, cannot shift consumption or regularly uses large amounts of electricity between 4pm and 7pm. Electric heating without suitable controls creates particular exposure. Customers should compare Agile using their own half hourly smart meter data rather than a national average. Several months provide a better picture than one unusually cheap week. The important measure is the household's weighted average unit cost after actual consumption has been matched with every Agile price. Standing charges must then be added. Before joining, review several weeks of prices alongside your household data and test whether your largest loads can realistically avoid repeated evening peaks without inconvenience or discomfort. Agile Octopus offers genuine opportunities, but savings come from timing, technology and attention. It is most useful where the household can respond to changing prices without allowing the tariff to control daily life.
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