Kwh to kbtu. Online tool to convert kiloBTU (IT) (kBTU) into kilowatt-hour...

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For example, a 100 W incandescent bulb produces about 1,600 lumens, for an efficiency of 1,600/100 = 16 lumens per watt. A halogen bulb, on the other hand, consumes only 72 watts for the same amount of brightness, making its efficiency 1,600/72 = 22 lumens per watt. A CFL bulb consumes even less energy - only 26 W - so its efficiency is 61 ...Therms (US) One Therm (US) = 100,000 BTU59°F = 105,480,400 joules = 29.3001111 kWh.1 Btu in kilowatt hour = 0.00029307 Btu. 10 Btu in kilowatt hour = 0.00293071 Btu. 50 Btu in kilowatt hour = 0.01465355 Btu. 100 Btu in kilowatt hour = 0.02930711 Btu. 250 Btu in kilowatt hour = 0.07326777 Btu. 500 Btu in kilowatt hour = 0.14653554 Btu. 1,000 Btu in kilowatt hour = 0.29307108 Btu. 10,000 Btu in kilowatt hour = 2.93071083 Btu.For the low-pressure steam typically used in heating systems, that ratio is 1,194 BTUs for every pound of steam the system provides. If your boiler supplies 400 pounds of steam per hour, for example, you would multiply 400 pounds by 1,194 to arrive at a figure of 477,600 BTUs. From there you'd need to calculate how best to distribute that ...10,000. 1.14 x 10 9. How many BTUs are in a gallon of gas? Use this easy and mobile-friendly calculator to convert between gallons of gas and BTUs. Just type the number of gallons of gas into the box and hit the Calculate button.How many MMBtu are in a kBtu? 1,000 BTU The prefix “kilo-” stands for 1,000, which means that a KBTU equals 1,000 BTU. Using a calculator makes converting even easier. ... a common unit of energy measurement used to convert and combine other energy measurements such as kilowatt-hours (kWh) of electricity, therms of natural …Portfolio Manager Technical Reference: Thermal Conversion Factors for the calculations used to convert the energy data you enter into standard units (either kBtu or GJ) The difference between source and site source energy for an explanation of why EPA recommends source energy for national median benchmarks and for the 1-100 ENERGY STAR scoreInstant free online tool for kilowatt-hour to ton-hour (refrigeration) conversion or vice versa. The kilowatt-hour [kW*h] to ton-hour (refrigeration) conversion table and conversion steps are also listed. Also, explore tools to convert kilowatt-hour or ton-hour (refrigeration) to other energy units or learn more about energy conversions.The calculator provides indicative conversion of gas consumption in cubic metres to kilowatt-hours and other units. 1 m³ ≈ 10,55 kWh ≈ 0,01055 MWh. 1 ft³ ≈ 0.028 m³, 1 m³ ≈ 35.315 ft³. 1 ft³ ≈ 1,037 Btu.Enter any unit value to convert: British thermal units ( Btu ) Electronvolts ( eV ) Foot pounds ( ft-lb ) Gigaelectronvolts ( gev ) Gigajoules ( GJ ) Gram calories ( cal ) Joules ( J ) Kilobtus ( kBtu )A fórmula para converter KWh em KBTU é relativamente simples: KBTU = kWh × 3.412142. Esta fórmula se baseia no fato de que 1 kWh é aproximadamente igual a 3.412142 KBTU. Como usar? Usar uma calculadora de KWh para KBTU é muito fácil: Valor de entrada em KWh: Insira o número de quilowatts-hora que deseja converter na calculadora. Konvertēšana no kWh uz kBtu. Pierakstiet enerģijas daudzumu kWh. Šajā piemērā pieņemsim, ka mums ir 1 kWh. Aptuveni tas ir enerģijas daudzums, kuru jūs patērētu, vienu stundu gludinot drēbes. Lai konvertētu kWh uz kBtu, reiziniet ar 3,142. Sekojot piemēram: 1 kWh x 3,142 = 3,142 kBtuThe formula used to convert BTU (IT)/h*ft²*°F to Watt per Square Meter per Kelvin is 1 Btu (IT) per Hour per Square Foot per Fahrenheit = 5.67826334106816 Watt per Square Meter per Kelvin. Measurement is one of the most fundamental concepts. Note that we have Btu (IT) per Second per Square Foot per Fahrenheit as the biggest unit for length ...BTU/Hour Square Foot : The BTU per hour per square foot is a unit of heat flux density which is a US Customary and British Imperial units. Its symbol is BTU/h•ft². Kilowatt/Square Meter : The kilowatt per square meter is a unit of heat flux density, which is a decimal multiple of the derived unit of watt per square meter. Its symbol is kW/m². One kilowatt …Different energy units conversion from cubic foot of natural gas to British thermal units. Math figures of cu ft N.G. and BTU measurements conversion charts page. Convert 1 cu ft N.G. into British thermal unit or multiple cubic feet of natural gas to BTU and count the other way around quantities between these two measuring units, how many British thermal units - …The formula used to convert BTU (IT)/h*ft²*°F to Watt per Square Meter per Kelvin is 1 Btu (IT) per Hour per Square Foot per Fahrenheit = 5.67826334106816 Watt per Square Meter per Kelvin. Measurement is one of the most fundamental concepts. Note that we have Btu (IT) per Second per Square Foot per Fahrenheit as the biggest unit for length ...Electricity consumption in U.S. homes varies by region and type of home. The average U.S. household consumes about 11,000 kilowatthours (kWh) per year. 1 However, electricity use in homes varies across regions of the United States and across housing types. On average, apartments in the Northeast consume the least amount of electricity annually, while …To simply convert kW to BTU, you can use this handy calculator: Insert kW (Example: 10 kW): 10.0. Converted To BTU/hr. Basically, you just input the kW, and the kW-to-BTU calculator will give the heating/cooling capacity in BTU (British Thermal Units). Further on, you will find a calculated table with kW-to-BTU conversions for 1 kW to 30 kW (or ...The Battery. When you press the button on an electric torch or flashlight, the first energy conversion comes from the battery itself. Batteries use metal electrodes set into a chemical paste to store electricity; as the electrode oxidizes it releases electrons. In some batteries, this process is one-way. Once the battery runs down, it's useless.Divide the cubic feet of natural gas by 96.7 to convert to therms. For example, if you have 400 cubic feet, divide 400 by 96.7 to get 4.14 therms. Multiply the number of cubic feet of natural gas by 0.0103412 to convert to therms. This method will yield the same result. In this example, multiply 400 by 0.0103412 to get 4.14 therms.Site energy may be delivered to a building in one of two forms: primary or secondary energy. Primary energy is the raw fuel that is burned to create heat and electricity, such as natural gas or fuel oil used in onsite generation. Secondary energy is the energy product (heat or electricity) created from a raw fuel, such as electricity purchased ...Energy Use Index (EUI) represents kBtu per square foot of conditioned floor area. ... A typical coal-fired power plant works at 10,500 Btu/kWh (3.1 kWh/kWh), an ...Summary Results. The Summary screen, 1-Zones display option shows design cooling loads and flow rates for each zone plus other related data. Design Capacity (kW or kBtu/h), shown in bold, is the maximum value of Total Cooling Load and Sensible multiplied by the Design margin to give the design cooling capacity of the equipment.For example, a 100 W incandescent bulb produces about 1,600 lumens, for an efficiency of 1,600/100 = 16 lumens per watt. A halogen bulb, on the other hand, consumes only 72 watts for the same amount of brightness, making its efficiency 1,600/72 = 22 lumens per watt. A CFL bulb consumes even less energy - only 26 W - so its efficiency is 61 ...The equation used is the universal conversion : 1 BTU/h = 0.00029307107 kW. Mathematicians might also write this as 1 BTU = 2.9307107 x 10 to the -4 power.BTU to Kilojoule Conversion Example. Task: Convert 4 BTUs to kilojoules (show work) Formula: BTU x 1.05505585262 = kJ Calculations: 4 BTU x 1.05505585262 = 4.22022341 kJ Result: 4 BTU is equal to 4.22022341 kJ.To convert a measurement in million BTU to a measurement in kilowatt-hours, multiply the energy by the following conversion ratio: 293.07107 ...Convert 2 therms / day (average CA home natural gas use per day) into kBtu. Calculate the annual total, and the equivalent kWh of electricity (assuming gas appliances and electric appliances have almost the same efficiency factor). 2. Convert 5 gallons of gasoline per day. Calculate the annual total in kBtu. Assuming an electric engine has a 90%As the world becomes increasingly focused on sustainability and energy efficiency, the cost of kilowatt-hour (kWh) is a topic that continues to gain attention. With each passing year, technological advancements are driving down the costs as...EUI (Energy Unit Intensity) Conversion Tool. Insert EUI (Energy Unit Intensity) or EEI (Energy Efficiency Index) number in one field below: kBtu/sf. equals. kWh/m2. The result …The answer is 0.00029307108333333. We assume you are converting between kilowatt hour and British thermal unit . You can view more details on each measurement unit: kWh or Btu The SI derived unit for energy is the joule. 1 joule is equal to 2.7777777777778E-7 kWh, or 0.00094781707774915 Btu.Megawatt hours to Kbtu converter. A quick online energy calculator to convert Megawatt-hours(MWh) to Kilobtus(kBtu). Plus learn how to convert MWh to kBtu kJ/h to Btu (th) per Hour. The formula used to convert kJ/h to Btu (th) per Hour is 1 Kilojoule per Hour = 0.948451652699997 Btu (th) per Hour. Measurement is one of the most fundamental concepts. Note that we have Planck Power as the biggest unit for length while Yoctowatt is the smallest one.The school used 1,170,000 kilowatt-hours of power during the year in question. Kilowatt-hours is multiplied by 3.412 to obtain kBTUs, therefore 1,170,000 * 3.412 = 3,992,040 kBTUs. This is divided by the …kerosene, 293 kWh of electricity, 976 cubic feet of natural gas, 11 gallons of propane, 125 pounds of air-dried wood, 121 pounds of pellets, or 71 pounds of coal. • The efficiency of the heating appliance is an important factor when determining the cost of a given amount of heat. In general, the efficiency is determined by measuring howApr 12, 2018 ... Solved: My model is in imperial units but the Insight online platform give me results in kwh/m2/yr. I would like to see kwh/ft2/yr.Most standard-sized electric clothes dryers have a power consumption rating in the range of 5,000 watts and a surge power rating slightly above 6,000 watts. If your generator has a power rating of 6,000 watts and a surge power rating of over 6,500 watts, you can usually use the generator. However, if other appliances are on when your dryer is ...How to Convert kWh to kBtu. Updated April 25, 2018. By John Papiewski. In a typical day, the energy you use comes from a variety of different resources. Most importantly, your body gets its energy from the food you eat. Homes, personal technology, creature comforts and transportation all require energy as well; they use resources such …British thermal unit (Btu) is a measure of the heat content of fuels or energy sources. One Btu is the quantity of heat required to raise the temperature of one pound of liquid water by 1° Fahrenheit (F) at the temperature that water has its greatest density (approximately 39° F). One British thermal unit (Btu) is approximately equal to the ...Megawatt hours to Btu converter. A quick online energy calculator to convert Megawatt-hours(MWh) to British thermal units(Btu). Plus learn how to convert MWh to BtuConvert this value to hours by dividing by 3,600: 200 ÷ 3,600 = 0.0556 hours. Divide the energy quantity, measured in kilowatt-hours, by this length of time. For example, if you are converting 0.25 kWh of energy: 0.25 ÷ 0.0556 = 4.496, or just under 4.5. This is the power rating in kVA. Find Your Next Great Science Fair Project! GO.The kilowatt-hour is a standard unit of electricity production and consumption. By definition, noting that 1 kilowatt = 1000 watts: 1 kWh = 3.6 x 10 J (exact). The relationship between the kWh and the Btu depends upon which "Btu" is used. It is common, although not universal, to use the equivalence: 1 kWh = 3412 Btu.How many Btu in 1 kWh? The answer is 3412.1414798969. We assume you are converting between British thermal unit and kilowatt hour. You can view more details on each measurement unit: Btu or kWh The SI derived unit for energy is the joule. 1 joule is equal to 0.00094781707774915 Btu, or 2.7777777777778E-7 kWh. Note that rounding errors may occur ...Since the energy in natural gas is equivalent to the gas's volume, you can freely convert between BTUs per hour and cubic feet per minute (CFM). Divide the energy transfer rate in BTUs per hour by 100,000, which is the number of BTUs in a therm. For instance, if you are converting a rate of 500,000 BTUs per hour: 500,000 ÷ 100,000 = 5 therms/hr.Conversión de BTU a kWh Cómo convertir kWh a BTU. 1 kWh = 3412,14163312794 BTU IT. Entonces, la energía en BTUs E (BTU) es igual a 3412.1416 .. veces la energía en kilovatios-hora E (kWh): Electricity Purchased From Grid (kBtu): 51939415.2; Load. X. Default Utility Rate Information. ... $/kWh, $/therm, etc) for that fuel source. Actual rates will vary according to individual rate structure, demand charges, and fluctuations in energy cost. The default rates shown below and used in the calculator are reflective of NYC averages for ...Multiply the number of gallons of propane by 91,547, which is the number of BTUs in a gallon. In the example, 5 gallons of propane would produce 457,735 BTUs of heat energy. Divide the number of BTUs by 1,000 to convert to KBTU, which might be easier to manage when dealing with large numbers. In the example, 457,735 BTUs would convert to 458 KBTU.How to Convert kWh to kBtu. Updated April 25, 2018. By John Papiewski. In a typical day, the energy you use comes from a variety of different resources. Most importantly, your body gets its energy from the food you eat. Homes, personal technology, creature comforts and transportation all require energy as well; they use resources such …22000 BTU / Hour is equal to 6.44756 Kilowatt. Formula to convert 22000 BTUIT/h to kW is 22000 / 3412.1424501200004.Formula: The formula for converting KWh to KBTU is relatively simple: KBTU = KWh × 3.412142 This formula relies on the fact that 1 KWh is approximately equal to 3.412142 KBTU. How to Use? Using a KWh to KBTU calculator is a breeze: Input KWh Value: Enter the number of kilowatt-hours you want to convert into the calculator. How many MMBtu are in a kBtu? 1,000 BTU The prefix “kilo-” stands for 1,000, which means that a KBTU equals 1,000 BTU. Using a calculator makes converting even easier. ... a common unit of energy measurement used to convert and combine other energy measurements such as kilowatt-hours (kWh) of electricity, therms of natural …1 BTU is equal with 0.001 kBTU 1 kiloBTU is equal with 1 divided by 0.001 BTU 1 kBTU = 1 / 0.001 BTU Formula BTU -> kBTU: Examples: How many BTU has 1 kiloBTU? 1 BTU ... 1 gallon of heating oil (with sulfur content at 15 to 500 parts per million) = 138,500 Btu. 1 barrel of residual fuel oil = 6,287,000 Btu. 1 cubic foot of natural gas = 1,036 Btu. 1 gallon of propane = 91,452 Btu. 1 short ton (2,000 pounds) of coal (consumed by the electric power sector) = 18,820,000 Btu.contor kWh. Contorul kWh este contorul electric care măsoară cantitatea de energie electrică în kWh consumată în casă. Contorul de kWh are un afișaj de contor care contează unități de kilowatt-oră (kWh). Consumul de energie este calculat prin calcularea diferenței de citire a contorului în perioada specificată.Next, you’ll need to take the energy consumed (electricity and gas) and convert it all into a common unit of measurement, which, in North America, would be thousand British thermal units (kBTU). To convert kWh to kBTU, you’ll have to multiply your kWh by 3.412 kBTU/kWh (1,773,473 x ). After that, you’ll add your electricity and gas ...More information from the unit converter. How many kW in 1 btu/hr? The answer is 0.00029307107. We assume you are converting between kilowatt and Btu/hour [I.T.].You can view more details on each measurement unit: kW or btu/hr The SI derived unit for power is the watt. 1 watt is equal to 0.001 kW, or 3.4121416351331 btu/hr. Note that rounding errors may occur, so always check the results.megawatt hour. 2.9329722222222E-7 MWh. ~= 0 kWh. Conversion base : 1 Btu = 2.9329722222222E-7 MWh. Conversion base : 1 MWh = 3409510.6405145 Btu.million btu. 0.0034095106405145 MMBtu. Conversion base : 1 kWh = 0.0034095106405145 MMBtu. Conversion base : 1 MMBtu = 293.29722222222 kWh.The energy in gigajoules is equal to the energy in kilowatt-hours multiplied by 0.0036. For example, here's how to convert 500 kilowatt-hours to gigajoules using the formula above. gigajoules = (500 kWh × 0.0036) = 1.8 GJ. Kilowatt-hours and gigajoules are both units used to measure energy. Keep reading to learn more about each unit of measure.1 kWh is equal to 3,412 BTU. To convert kWh to BTU, you just need to multiply kWh by 3,412 to get the BTUs. Example: How many BTU is 3 kWh?Electricity consumption in U.S. homes varies by region and type of home. The average U.S. household consumes about 11,000 kilowatthours (kWh) per year. 1 However, electricity use in homes varies across regions of the United States and across housing types. On average, apartments in the Northeast consume the least amount of electricity annually, while …A fórmula para converter KWh em KBTU é relativamente simples: KBTU = kWh × 3.412142. Esta fórmula se baseia no fato de que 1 kWh é aproximadamente igual a 3.412142 KBTU. Como usar? Usar uma calculadora de KWh para KBTU é muito fácil: Valor de entrada em KWh: Insira o número de quilowatts-hora que deseja converter na calculadora. How many Btu in 1 kWh? The answer is 3412.1414798969. We assume you are converting between British thermal unit and kilowatt hour. You can view more details on each measurement unit: Btu or kWh The SI derived unit for energy is the joule. 1 joule is equal to 0.00094781707774915 Btu, or 2.7777777777778E-7 kWh. Note that rounding errors may occur ...1 th = 29.307111111111 kWh: therms to kilowatt hours converter: therms to kilowatt hours table: 1 th = 1041259.3140883 l-atm: therms to liter atmospheres converter: therms to liter atmospheres table: 1 th = 6.5851388607241E+20 MeV: therms to megaelectronvolts converter: therms to megaelectronvolts table: 1 th = 105.5056 MJ: therms to megajoules ...Definition. In 1994, the US National Institute of Standards and Technology (NIST) defined "gasoline gallon equivalent (GGE) [as] 5.660 pounds of natural gas." Compressed natural gas (CNG), for example, is a gas rather than a liquid. It can be measured by its volume in standard cubic feet (ft 3) at atmospheric conditions, by its weight in pounds (lb), or by its energy content in joules (J ...More information from the unit converter. How many btu in 1 kcal? The answer is 3.9673727240424. We assume you are converting between British thermal unit and kilocalorie [15 °C].You can view more details on each measurement unit: btu or kcal The SI derived unit for energy is the joule. 1 joule is equal to 0.00094781707774915 btu, or 0.00023890295761862 kcal.The previous factor used in the calculator was 6.89276 x 10 -4 metric tons of CO 2 per kWh; the new value is 6.89551 x 10 -4 metric tons of CO 2 per kWh. Based on the updated eGRID value above, the equivalency for wind turbines was updated from 3,631 metric tons of CO 2 avoided per wind turbine to 3,633 metric tons.Electricity used by a home is typically measured in kilowatt hours, or kWh, meaning 1000 watts being applied over a period of one hour. Megawatt or gigawatt hours may be used in larger buildings or for industrial applications. Btu (IT)/hour to Kilowatt Conversion Table. Btu (IT)/hour [Btu/h] Kilowatt [kW] 0.01 Btu/h:More information from the unit converter. How many kcal/hr in 1 Btu/hour? The answer is 0.25199576096303. We assume you are converting between kilocalorie/hour [I.T.] and Btu/hour [I.T.].You can view more details on each measurement unit: kcal/hr or Btu/hour The SI derived unit for power is the watt. 1 watt is equal to 0.85984522785899 kcal/hr, or 3.4121416351331 Btu/hour.1 kWh is equal with 3.413 kBTU 1 kiloBTU is equal with 1 divided by 3.413 kilowatts hour 1 kBTU = 1 / 3.413 kWh Formula kWh -> kBTU: Examples: How many kilowatts hour has 1 kiloBTU? 1 kilowatt hour has 3.41 kiloBTU. 1 kilowatt hour kWh = 3.41 kiloBTU kBTU (1*3.412800000)The British thermal unit (BTU or Btu) is a measure of heat, which is a form of energy.It was originally defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.It is also part of the United States customary units. The SI unit for energy is the joule (J); one BTU equals about 1,055 J (varying within the range of 1,054-1,060 J depending on ...In Scientific Notation. 70 kilowatts. = 7 x 10 1 kilowatts. ≈ 2.3885 x 10 5 BTUs per hour.The school used 1,170,000 kilowatt-hours of power during the year in question. Kilowatt-hours is multiplied by 3.412 to obtain kBTUs, therefore 1,170,000 * 3.412 = 3,992,040 kBTUs. This is divided by the …kWh、Wh、MWh、BTU、kBTU、J、kJ、MJ、GJ変換計算機. テキストボックスの1つにエネルギーを入力し、 [ 変換 ]ボタンを押します。. ワット時を入力します。. Wh. キロワット時を入力します。. kWh. メガワット時を入力してください:. MWh. BTUを入力してください:.Step 1: Enter Electricity Use (kWh/yr)*. This will be the sum of all 12 months of your electricity bills. Step 2: Enter Natural Gas Use (m3/yr) This will be the sum of all 12 months of your natural gas bills in cubic metres. Step 3: Wood Consumption (m3/yr) Enter any wood use here in cubic metres. Step 4.Máy tính chuyển đổi kWh, Wh, MWh, BTU, kBTU, J, kJ, MJ, GJ. Nhập năng lượng vào một trong các hộp văn bản và nhấn nút Chuyển đổi : Nhập watt-giờ: Chà. Nhập kilowatt-giờ: kWh. Nhập megawatt-giờ: MWh. Nhập BTU:Gigajoule to BTU Conversion Example. Task: Convert 6 gigajoules to BTUs (show work) Formula: GJ ÷ 0.00000105505585262 = BTU Calculations: 6 GJ ÷ 0.00000105505585262 = 5,686,902.722 BTU Result: 6 GJ is equal to 5,686,902.722 BTU.Kilowatt hour to Kbtu converter. A quick online energy calculator to convert Kilowatt-hours (kWh) to Kilobtus (kBtu). Plus learn how to convert kWh to kBtu.The following conversion factors can be used: Electricity (both grid and onsite solar): 1 kWh = 3.412 kbtu Natural gas: 1 therm = 100 kbtu Fire wood for space heating: 20,000 …Kilowatt-Hour : Kilowatt-hour, or kilowatt hour (symbol kW•h, kW h or kWh) is a measurement unit of energy. It is defined as the energy consumed by power consumption of 1kW during 1 hour. One kilowatt-hour is equal to 1000 watt-hours or 3.6×106 joules. It is commonly used as a billing unit for energy delivered to consumers by electric utilities.In Scientific Notation. 2 kilowatts. = 2 x 10 0 kilowatts. ≈ 6.82428 x 10 3 BTUs per hour.It's a notion rooted in the concepts of classical physics as elucidated by Sir Isaac Newton. The formula for the energy of motion is: KE=0.5\times m\times v^2 K E = 0.5×m ×v2. where KE is kinetic energy in joules, m is mass in kilograms and v is velocity in meters per second.Instant free online tool for ton-hour (refrigeration) to kilowatt-hour conversion or vice versa. The ton-hour (refrigeration) to kilowatt-hour [kW*h] conversion table and conversion steps are also listed. Also, explore tools to convert ton-hour (refrigeration) or kilowatt-hour to other energy units or learn more about energy conversions.. High Performing BuildingsRelated to TDV kBtu/sf-yr. SFTR means Regulation EU 2015/2365 of th Kilowatt. Definition: A kilowatt (symbol: kw) is a unit of power in the International System of Units (SI). The base unit of the kilowatt is the watt, which was named after Scottish inventor James Watt. As is consistent with SI units, the prefix kilo- means that a kilowatt equals one thousand watts or one thousand joules per second.Upgrade Now Megawatt hours to Kbtu converter. A quick online energy calculator to convert Megawatt-hours (MWh) to Kilobtus (kBtu). Plus learn how to convert MWh to kBtu NRG offers electricity and natural gas supply solutions Converting from kWh to kBtu Write down the amount of energy in kWh. For the purpose of this example, let's assume we have 1 kWh. This is roughly the amount of energy you would consume by ironing clothes for one hour. In order to convert kWh to kBtu, multiply by 3.412. Following the example: 1 kWh x 3.412 = 3.412 kBtuAnnual energy consumed by a light bulb is calculated by multiplying the power (43 watts) by the average daily use (3 hours / day) by the number of days per year (365). Assuming an average daily use of 3 hours per day, an incandescent bulb consumes 47.1 kWh per year, and an LED bulb consumes 9.9 kWh per year (EPA 2015a). homes* nationally (EIA 2012). On average, each single-family hom...

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