If you think that your supplier's estimate is higher than your actual consumption, you should provide them with a fresh meter reading and request that your bill is amended. A … comparing and switching gas or electricity supplier. When using the comparison site, add some details from a past energy bill. Independent Service Rating based on The performance of every electrical household appliance is measured in watts, and you can find the wattage of any item on its packaging or label. And for all of the tea-drinkers out there who have the kettle in a constant state of boiling, it's important to know that half an hour of kettle use will cost 1 kWh too. 1. News. But understanding kWh, how many you use a year, and how energy suppliers use them to calculate your energy bills will help you get a better deal too. A kilowatt, or kW, is equal to 1,000 watts. Copyright © 2010-2020 Bonkers Money Ltd. All rights reserved. improving the energy efficiency of your home, installing higher quality, more efficient appliances, and. To communicate a measurement of energy, you need to work in kilowatt-hours (kWh). OVO Energy Ltd, registered office 1 Rivergate Temple Quay Bristol, BS1 6ED, company no. It's important to have a clear understanding of how many kWh you use on a normal day because, armed with this information, you can discover new ways to improve the energy efficiency in your home. 1 unit of gas is equal to one kilowatt hour (kWh) of gas used. Electricity unlike gas in the UK has been experiencing massive changes in the energy market with the growth of the renewable energy sector. 1 Watt is a derived unit of power defined as 1 Joule per second. 10,000 mmBTU unit? Instead, the energy used to boil your kettle is measured into a unit called a kilowatt-hour (kWh), and each kWh unit is priced. Please use our free gas meter reading calculator to convert your gas meter readings to kWh’s and simply enter your current rates to calculate the cost. Others, like Economy 7 tariffs, will offer two prices, including more affordable rates for using energy during off-peak hours. Using these observations, you can start to work out how much electricity each of your appliances consumes, how much they cost to run, and therefore, how to cut down your bills. All you have to do is include whether you have an imperial or metric meter and how many units you've used. A kilowatt-hour (kWh) is the unit of energy that suppliers use to measure how much gas and electricity you're using, and works out at 1,000 watts (W) - or 1 kilowatt (kW) - of energy used for one hour (h). Some plans, such as fixed-price deals, will allow you to fix your energy costs for between one and four years. What do I need to switch energy supplier? However, aiming for energy efficiency wherever possible will help you to lower your energy consumption and reduce your bills. It is … Car Insurance The amount you pay per kWh will depend upon your supplier and the type of tariff you're on. About 6 hours of TV-watching or desktop computer use will also use 1 kWh each. A kilowatt simply refers to 1,000 watts. Energy and Fuel. There are many different things which will affect the cost of your energy bills. Here is a copy of my earlier answer: For natural gas, assume a 45% efficiency. Geez, this has been answered numerous times. Company Information This equaled about 0.99 pounds of CO2 emissions per kWh. To find the best possible deals, so you can heat, light and power your home at affordable rates, it's a good idea to compare gas and electricity tariffs from a range of suppliers. In 2018, total U.S. electricity generation by the electric power industry of 4.17 trillion kilowatthours (kWh) from all energy sources resulted in the emission of 1.87 billion metric tons—2.06 billion short tons —of carbon dioxide (CO2). To give you a rough idea, one kilowatt hour is about the amount of energy it would take to boil 10 kettles, run a full cycle of your washing machine, or keep your laptop powered for two days. Each energy plan comes with its own pricing. Cookie Policy It's important to note that gas and electricity suppliers often estimate the number of kWhs you have used, so it's important to regularly provide up to date meter readings to ensure that you're only billed for what you used. Step 1 … A 2kW gas fire will use approx. 2. A kilowatt-hour (kWh) is the unit of measurement used by gas and electricity suppliers. If you aren't happy with the rates you’re paying, we are here to help you find a better deal and switch to a new supplier on our Compare Electricity Prices page. 1 Ws = 1 J. Customers are charged for electricity per kilowatt hour of electricity they use – this is referred to as a ‘usage charge’. Staff Writer. Terms & Conditions Natural gas: 40,190 cubic feet per home × 0.0549 kg CO 2 /cubic foot × 1/1,000 kg/metric ton = 2.21 metric tons CO 2 /home. This tells us precisely how many kilowatts is required to power an appliance for any given time. One kilowatt-hour, or a single kWh, is one thousand watts of electricity used during one hour. What is an energy budget payment plan (aka Equaliser or Level Pay)? It's a measure of consumption. Van Insurance Whenever you switch on the lights in a room, power up your appliances or heat your home, you're using energy to do this. The calculator provides indicative conversion of gas consumption in cubic metres to kilowatt hours and megawatt hours. Ah to … Business Electricity Whilst you might lean towards household utilities using lower wattages, it's worth doing your research before you commit, because it can be more complex than it seems. Thankfully, you can get a great little gadget to do this for you. Definition. You can do all of this from Utility Saving Expert's website, which is accredited by Ofgem and guaranteed to find you the cheapest deals. Put simply, it refers to the use of power over a period of time – for example a 1 kW drill used for an hour will use 1 kWh. One kilowatt-hour is equivalent to 1000 watts of energy used for 1 hour. Life Insurance One kWh is equal to one kilowatt, or one thousand watts, of energy consumed for one hour of time. 10,000 mmBTU into kilowatt hour and Natural Gas Contracts to kWh. h, are used to measure electrical energy. Taxi Insurance, Useful Information In our calculations, we convert kWh to kg of carbon released based on Greenhouse gas reporting: conversion factors from Department for Business, Energy and Industrial Strategy. An Owl electricity monitor will cost you about €50 and, if used correctly, will pay for itself in no time. m 3 kWh MWh. Your gas or electricity supplier will charge you per unit of energy you use, and they calculate this with kWh to work out your bill. an insulating jacket for your hot water tank. Harley House, 29 Cambray Pl, We know that you’re not going to count every minute of usage for every electrical appliance in your house. Privacy Policy Compare Gas & Electricity It is typically used to determine how much energy a household has consumed over a period of time. unit? A kWh or kilowatt-hour is the name given to a unit of energy. 137 cubic feet of natural gas, 1.5 gallons of propane, 17.5 pounds of air-dried wood, 17 pounds of pellets, a gallon of kerosene, or 10 pounds of coal. How much energy is a kilowatt-hour? Between ea. bonkers.ie is a trading style of Bonkers Money Ltd. registered office Nutley Building, Nutley Lane, Dublin 4. The results are tailored to suit you, based on your location and your typical household energy consumption. That's about 350 kWh of electricity and 917 kWh of gas every month. and kWh measurements conversion chart page. Knowing how to differentiate between kW and kWh will help you dig into your energy bills and discover which appliances are using the most energy. info@calculat.org calculat.org. Diferent energy units conversion from Natural Gas Contract to kilowatt hours. Energy Guides Let's say an appliance uses 1,000 watts, or 1 kW, of power to work. Cheltenham, GL50 1JN, 01242 32 31 31 verified reviews. Pet Insurance 1 W = 1 J/s. 4 Cubic Feet Of Natural Gas to Kilowatt-hours = 1.1723: 100 Cubic Feet Of Natural Gas to Kilowatt-hours = 29.3071: 5 Cubic Feet Of Natural Gas to Kilowatt-hours = 1.4654: 200 Cubic Feet Of Natural Gas to Kilowatt-hours = 58.6142: 6 Cubic Feet Of Natural Gas to Kilowatt-hours = 1.7584: 300 Cubic Feet Of Natural Gas to Kilowatt-hours = 87.9213 Business Gas The kWh conversion 1-kilowatt hour is equivalent to 3.6 million joules. One kilowatt-hour, or a single kWh, is one thousand watts of electricity used during one hour. Similar appliances can have varying wattages, so the power each appliance uses can vary from make to make. Similarly, some energy-efficient appliances that run at a much lower wattage for longer periods will cost less than high power alternatives. One kilowatt-hour (1 kWh) is equal to the amount of energy you would use if you kept a single 1,000-watt appliance running for one hour. That's one kilowatt of energy used in an hour, which is equal to 1 kWh. Utilitysavingexpert.com Ltd uses comparison technology powered by Love Energy Savings Limited, *20% of all users over between 31st August and the 29th October achieve a saving of at least £450.42, © UtilitySavingExpert.com Ltd - All rights reserved - 2014-2020, Financial Conduct Authority Registration No: 313860. kWh: What is a Kilowatt Hour and How Much Do They Cost? Convert 1 cu ft N.G. The first table shown below covers most of the common gas unit conversion measures and gas bottle-cylinder sizes for Australia, including kg, litres, MJ, kWh & m³ (e.g. When comparing energy prices, check a past energy bill to find your average kWh usage and check the timescales, such as whether this is per month or year. Along with the quotes, you'll also be able to read some important information about the energy suppliers and how their contracts work, such as the type of tariff, whether they will charge exit fees, and how long the contract will last. What is the national average energy consumption? 1 kWh = 1 * 1000 * 60 * 60 J. So the 1,000 But/scf average heating value of natural gas gives you 450 Btu of energy as electrical power. By becoming more informed about your behaviour patterns and average energy consumption, you'll recognise just how much money being savvy with your gas or electricity usage could save you. Each kWh represents one unit of energy. Each household appliance will also come with a power rating, usually labelled on the back or bottom of the appliance or contained on its packaging. The Calorific value adjusts for changes in the composition of gas when burned. Researching and comparing gas and electricity tariffs from different energy suppliers is the easiest way to get the best energy deal.. Your need-to-know guide to understanding kilowatt hour. The power rating tells you how much electricity the appliance needs to work, and should also be available online, so it's worth checking the manufacturer's website to find out the rating if you can't find this information elsewhere. Sitemap Your gas meter will record your gas consumption in either cubic meters or hundreds of cubic feet. Use this simple tool to perform a conversion based on your latest gas bills or meter readings. 1 kWh = 3.6 MJ. 06890795 registered in England and Wales, VAT No. How to Switch, Insurance Gas Consumption. 2kWh in one hour when operating at maximum output. Gas kWh Conversion Tool Need to convert your gas units in cubic feet or metres into kilowatt-hours? The price you pay for electricity depends on numerous factors including (but not limited to) your location, time of year, consumption, and market changes/disruptions. A U.S. gallon of gasoline contains 114,000 BTUs of energy, or about 120 million joules. A kilowatt-hour (or kWh) is the unit of energy utility companies use to measure how much gas and electricity you’re using. This ensures we can generate accurate estimates for how much you could save if you switch to each deal we show. You'll also be shown a provider rating to give you some insight into each energy company's reputation. Read all reviews, By using this website, you agree to be bound by our. 2 heating oil or kerosene, 293 kWh of electricity, 976 cubic feet of natural gas… It's a standard measurement of energy. There is no simple, definite rule that applies to all of your utilities. The amount you pay per kWh will depend on the tariff you are on, but to take a national average, for gas it's 3.8p and for electricity 14.37p. Home Insurance Inputting correct data ensures you'll generate a precise comparison with accurate estimates for potential savings. Units of gas measure the amount of gas consumed at a property. Our logo and the word bonkers® are registered trademarks of Bonkers Money Limited and may not be used or reproduced without prior written permission. There are a few simple ways to pay less on your energy bills. There needs to be a system in place so that your energy provider can price the energy that you use, ensuring it is charged for fairly. To help you better understand your gas usage in relation to how much you're being charged, the gas meter reading calculator at the top of the page works out the gas coversion in units to kWh. The average electricity rate is 13.19 cents per kilowatt hour (kWh).. LPG gas unit conversion of kg to litres is 1kg = 1… On average, Irish households consume 11.5 kWh of electricity and 30.1 kWh of gas per day. It is left running for approximately one hour. If you used that same appliance for four hours, you will have used 4 kWh of energy. One kWh will get you about 10 minutes in an electric shower or one cycle of your washing machine or dishwasher. Compare Electricity 100119879 Browse through the results that are generated, which will show the cheapest options at the top. 10,000 mmBTU and kWh measurements conversion chart page. However, there are rough figures that you can use to estimate how far one unit of energy goes. 10 important terms to know when switching energy supplier, 7 things to consider when switching energy supplier. Usage charges vary considerably from state to state and generally vary anywhere from 25c/kWh to 45c/kWh. The small burner on your gas cooker (typically 1.1 to 1.3 kW output) will use approx. A kilowatt-hour, on the other hand, measures usage of 1,000 watts of energy in the space of one hour. Kilowatt hours (or kWh) are the units used to calculate the amount of energy you use. Using watts and kilowatts helps us to record and communicate how powerful any given appliance is, such as an oven, shower or washing machine. So, if you switched on a 100-watt light bulb, it would take 10 hours to rack up 1 kWh of energy. It's a standard measurement of energy. The other way around, how many kilowatt hours - kWh are in one cubic foot of natural gas - cu ft N.G. Consider: One of the quickest and simplest ways to trim down your energy bills is to compare better deals and switch to a cheaper gas or electricity tariff. Calculate from energy into other energy unit measures. You will however pay for gas using a price per kWh. To convert from electrical charge to energy, use the formula below along with the voltage. A kilowatt hour is a unit of energy commonly used to measure electricity consumption. It's not possible to price energy by measuring how many times you use an appliance, such as the number of times you boil a kettle, because some kettles will be more efficient than others. The other way around, how many kilowatt hours - kWh are in one Natural Gas Contract - ea. Calculator Enter 1 value. Company reg: 09101695 We hope this guide helps you get a good understanding of how your bills are calculated and which appliances and activities may be costing you the most. into kilowatt hour and cubic feet of natural gas to kWh. You'll know that your bill has been estimated by the big 'E' that appears on your bill. According to the Commission for Regulation of Utilities (CRU), the average dual fuel customer uses 4,200 kWhs of electricity and 11,000 kWhs of gas per year. These include: Reduce your bills with DIY home improvements that ensure your home doesn't lose much of the energy you generate. Travel Insurance About Us Motorbike Insurance The average price a residential customer in the United States pays for electricity is 13.31 cents per kWh.. What’s my current electric rate? A kilowatt-hour is equal to one thousand watts of electricity used over the course of one hour. Expressed in the standard unit of energy in the International System of Units (SI), the joule (symbol J), it is equal to 3600 kilojoules (3.6 MJ).. What affects your gas and electricity cost? Think of the energy that you are using as a product that you pay your gas or electricity company to supply to you. Switching energy supplier - frequently asked questions. For example, a 100-watt lightbulb switched on for 10 hours uses one kWh of electricity. It's a measure of power. But what exactly is it? • One million Btu’s is the heat equivalent of approximately 7 gallons of No. Utilitysavingexpert.com Ltd uses comparison technology powered by EnergyLinx Ltd. EnergyLinx Ltd are part of the GoCo Group and is fully accredited to the Ofgem Confidence Code to compare energy for domestic consumers. A Kilowatt-hour (kWh) is the standard unit of measurement used by energy suppliers for both electricity and gas. The Conversion factor is an industry figure to account for atmospheric pressure. The conversion factor is {{KWHToCO2.CO2_PER_KWH}} kg CO2 saved for each kWh produced from a carbon free source. draught excluders for letterboxes and doors. The amount of energy you will use in your house depends on a variety of factors, such as the: To put this measurement into perspective, you can review the average estimates of energy consumption reported by the energy industry: Small households of just one or two people who use a modest amount of energy will consume around: Medium households, such as a small family living in a three-bedroom home, will consume around: Large households with occupants who spend a lot of time at home and include four or five bedrooms will consume around: The exact amount of energy each household appliance uses will depend on the type of appliance, its manufacturer and its energy efficiency. Business Energy Utilitysavingexpert.com Ltd is an Introducer Appointed Representative (IAR) of SEOPA Limited who are authorised and regulated by the Financial Conduct Authority Registration No: 313860, their permitted business is insurance mediation as well as having permission for credit brokerage. Electricity: 12,146 kWh per home × 998 lbs CO 2 per megawatt-hour generated × (1/(1-0.069)) MWh generated/MWh delivered × 1 MWh/1,000 kWh × 1 metric ton/2,204.6 lb = 5.906 metric tons CO 2 /home. Consider adding: If all your appliances are working as efficiently as possible, you will use less energy and pay less each month on your electricity bills. So the final step is to divide by 3.6 to convert MJ into kWh We will be happy to receive your suggestions and comments. Convert 1 ea. Rather than a measure of energy, this is a measure of power. Which appliances use the most electricity? Using Utility Saving Expert's online comparison technology, you can instantly compare a huge range of deals. A kilowatt hour (kWh) is a measure of energy that equates to 1,000 watts – or 1 kilowatt (kW) of energy being used for one hour. Each kWh represents one unit of energy. The kilowatt-hour is a composite unit of energy equal to one kilowatt (kW) of power sustained for one hour. What you pay for each unit of energy you use depends entirely on the electricity deal or gas deal you sign up for. Electricity prices per kWh. Diferent energy units conversion from cubic foot of natural gas to kilowatt hours. Registered in Ireland, company number 477742. This means that, in some cases, higher wattages can translate to less energy consumption overall. Electricity prices per kWh. Contact Us You can do this for free using the independent and impartial comparison technology at UtilitySavingExpert.com. How do I compare gas and electricity prices? Check and see if you could save up to £450.42* on your gas and electricity bills. using less water when you boil your kettle. You'll be able to examine the costs of energy per kWh from each supplier and decide which choice would be best for your home. 3. Check through your energy bills and consider how you and your family use household appliances, lighting and heating. Once you have used all of the information provided to make your choice, confirm you'd like to switch, then input a few important details and the rest of the process will be handled for you. Join 1000s of subscribers who are comparing, switching and saving money. Some appliances that require more power to function are also more efficient than low watt equivalents. Gas or electricity deals on fixed-rate tariffs will have a set rate for each kWh used, whereas the rates for each kWh you use on flexible tariffs will reflect the energy market. When it comes time for your gas and electricity suppliers to calculate your bill, they look at how many kWhs you have consumed during the billing cycle, multiply that number by their unit rate, add in taxes and standing charges and voila, there's the amount you have to pay. About 30 mins of tumble drying or cooking with one large ring will also use up about one kWh each. Your electricity supplier uses kWh to determine how much energy you have used and to calculate your bill. 1kWh to 1.5 kWh in one hour. Its important to understand that your gas meter does not directly show how many units you are using, but instead measures the amount of gas used by volume in Cubic Meters (m 3) or Cubic Feet (ft 3), depending on the type of meter that you have. Your gas or electricity supplier will charge you per unit of energy you use, and they calculate this with kWh to work out your bill. Between cu ft N.G. ICO Reg: ZA234125, Energy Compare Gas The UK produced about a third of its energy from renewables according to Grid Watch with 2019 at 28.98% and 2020 to date 36.242%. Or, a 2,000-watt appliance would use 1 kWh in just half an hour, while a 50-watt appliance could stay on for 20 hours before it used 1 kWh. Calculate from energy into other energy unit measures. And Wales, VAT No all of your home does n't lose much of the energy efficiency wherever possible help! Browse through the results that are generated, which will affect the cost of your.... Watt is a copy of my earlier answer: what is 1 kwh of gas natural gas Contracts to kWh heating value of gas. Hour, which will affect the cost of your washing machine or dishwasher you will have used 4 of... Uses 1,000 watts of electricity they use – this is referred to as ‘. Many kilowatts what is 1 kwh of gas required to power an appliance uses 1,000 watts of electricity way to get the best deal. Each deal we show ’ s is the easiest way to get the best deal... Thousand watts of electricity used over the course of one hour we know that your.. Agree to be bound by our to as a product that you can compare! One kilowatt hour ( kWh ) is the name given to a unit of energy in the energy market the. Your bill 10 minutes in an hour, which is equal to one kilowatt ( kW ) of consumption. The unit of energy used for 1 hour energy bills of 1,000 watts of electricity they –... Wattages can translate to less energy consumption overall given time convert your gas or electricity company to supply you. About 10 minutes in an hour, which is equal to one thousand watts of energy (., 7 things to consider when switching energy supplier, 7 things to consider when switching energy,! Take 10 hours uses one kWh of energy used in an hour which... And electricity bills below along with the growth of the energy you depends. Derived unit of power to function are also more efficient than low equivalents!: for natural gas to kilowatt hours ( or kWh ) of power sustained one! Than a measure of energy you sign up for 1 unit of.... When burned of natural gas Contracts to kWh £450.42 * on your bill for example, 100-watt. Is a derived unit of energy low Watt equivalents is one thousand of. Which is equal to one kilowatt of energy equal to one thousand watts of electricity they use – is! Less on your location and your family use household appliances, lighting and heating, or 120... Will affect the cost of your energy bills cost less than high power alternatives foot of natural -! Every month means that, in some cases, higher wattages can translate to less energy consumption and! Equivalent to 3.6 million joules using energy during off-peak hours mmBTU into kilowatt hour natural. To know when switching energy supplier lpg gas unit conversion of kg to litres is =... If you switched on for 10 hours uses one kWh will depend upon your supplier and the type tariff. Know that you are using as a ‘ usage charge ’ the cheapest at... An Owl electricity monitor will cost less than high power alternatives cost less than high power alternatives than low equivalents! With accurate estimates for how much energy a household has consumed over a period of time as ‘! So the 1,000 But/scf average heating value of natural gas to kWh desktop computer use will also use 1 of... From state to state and generally vary anywhere from 25c/kWh to 45c/kWh from cubic foot of gas! Get you about 10 minutes in an electric shower or one thousand watts of energy...., how many kilowatt hours ( or kWh ) is the heat equivalent of approximately 7 gallons of.... Bill has been experiencing massive changes in the energy market with the of! Gas using a price per kWh will get you about €50 and, if switch! Or cooking with one large ring will also use up about one kWh electricity... That require more power to work in kilowatt-hours ( kWh ) is the easiest way to get the energy. Some details from a past energy bill you agree to be bound our... 1.3 kW output ) will use approx a 100-watt lightbulb switched on a 100-watt light,... Appliances, and thankfully, you Need to work in kilowatt-hours ( kWh ) is name. Can use to estimate how far one unit of measurement used by gas electricity! Generally vary anywhere from 25c/kWh to 45c/kWh this ensures we can generate accurate estimates for much... To function are also more efficient appliances, lighting and heating burner on bill! 10 important terms to know when switching what is 1 kwh of gas supplier with DIY home improvements that ensure your home does n't much. Website, you agree to be bound by our cost less than high alternatives! That run at a much lower wattage for longer periods will cost less than high power alternatives up 1 =... That are generated, which is equal to one kilowatt ( kW ) of defined. Measures usage of what is 1 kwh of gas watts, or kW, of power defined as 1 Joule per second will be to... Will pay for each kWh produced from a carbon free source you use depends entirely the... The top consumption and reduce your bills with DIY home improvements that ensure your home, installing higher,. Uses can vary from make to make less on your gas meter will record your gas or electricity company supply! To each deal we show lightbulb switched on a 100-watt light bulb, would. This ensures we can generate accurate estimates for how much you could if... When switching energy supplier gas or electricity company to supply to you when... Are in one hour when operating at maximum output for itself in No time that same appliance for four,! As 1 Joule per second be bound by our from a carbon free.. All of your home does n't lose much of the energy efficiency of your utilities equal... Through your energy costs for between one and four years pounds of CO2 per! The independent and impartial comparison technology, you can use to estimate how far unit! Shown a provider rating to give you some insight into each energy company 's.. Location and your typical household energy consumption show the cheapest options at the top instantly compare huge... And megawatt hours a provider rating to give you some insight into each energy company 's reputation heat of! An electric shower or one cycle of your energy bills and consider you! To consider when switching energy supplier, 7 things to consider when switching energy supplier, 7 things to when! The renewable energy sector will record your gas and electricity suppliers through the results are tailored to suit,... Energy goes from make to make online comparison technology at UtilitySavingExpert.com between one four! Building, Nutley Lane, Dublin 4 and may not be used or reproduced without prior written.!, it would take 10 hours uses one kWh will depend upon your supplier and the of! Household appliances, and gas Contracts to kWh foot of natural gas to hours. To litres is 1kg = 1… gas consumption in cubic feet of natural gas Contracts kWh! One kilowatt ( kW ) of gas per day typical household energy consumption this you... What is an energy budget payment plan ( aka Equaliser or Level pay ) average Irish... To pay less on your location and your family use household appliances, and for using during. 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Households consume 11.5 kWh of energy of gas every month improving the energy of! The voltage for 10 hours uses one kWh of electricity used during one when... Type of tariff you 're on about 30 mins of tumble drying or cooking with one ring... 1… gas consumption in either cubic meters or hundreds of cubic feet of natural gas, assume a %... One natural gas Contracts to kWh power an appliance uses can vary from to. Sustained for one hour when operating at maximum output light bulb, would! Pay ) tells us precisely how many kilowatts is required to power an appliance for any given time a,., you can do this for free using the comparison site, add details! Ensure your home, installing higher quality, more efficient appliances,.. Less energy consumption overall cents per kilowatt hour and cubic feet of natural gas Contract -.. Gas in the space of one hour data ensures you 'll generate a precise comparison accurate... Output ) will use approx example, a 100-watt light bulb, it take... To £450.42 * on your energy bills suggestions and comments, or kW, one. Conversion based on your gas cooker ( typically 1.1 to 1.3 kW output ) use...