A $ /
kWh comparison requires many assumptions and the companies are unlikely to (will never) share the relevant spreadsheets used in the calculations.
Not exact matches
In
comparison, the»14 Leaf's 24 -
kWh Li - ion battery pack has a maximum range of 84 miles (135 km) per EPA figures, up from 75 miles (121 km) in» 13.
The EPA city and highway values listed below are based on a
comparison of the energy content of a
kWh of electricity vs. a gallon of gasoline.
(For
comparison, a Fiat 500e rolls with a 24 -
kWh pack and the Bolt boasts a 60 -
kWh unit.)
By
comparison, the in - production BMW i8 plug - in hybrid offers combined fuel consumption of 2.1 l / 100 km (111.9 mpg US); combined electricity consumption of 11.9
kWh / 100 km (19.2
kWh / 100 miles); combined CO2 emissions of 49 g / km (fuel consumption figures based on the EU test cycle, may vary depending on the tire format specified.)
He highlights and clearly explains a convenient unit that helps discussion by making
comparisons meaningful - the
kWh / day.
For this
comparison, we looked at the average cost per
kWh produced from a typical solar system today, the average cost per
kWh from residential energy efficiency, and the cost per
kWh when efficiency and solar are done together.
For
comparison, Block Island's 20 - year power purchase agreement with National Grid is $ 0.244 /
kWh, comparable to
Be sure to use multiple calculations in your
comparison: Energy Payback Time (EPBT), Greenhouse Gas per kilowatt hour (GHG /
kWh), Energy Return on Investment (EROI), Greenhouse Gas Payback Time (GPBT) and Greenhouse Gas Return on Investment (GROI).
By
comparison, the contract for the wind - generated electricity started at 24.4 cents per
kwh and includes a guaranteed 3.5 % price increase bringing the wind - generated electricity to 47 cents per
kwh in twenty years — making the wind - generated electricity roughly 4 - 8 times more expensive than the natural gas - fueled electricity.
In
comparison, at the time of writing, the average price of gas in the UK is 4.18 p /
kWh and the average price of electricity is 13.86 p /
kWh.
The small contribution of electricity
Comparison of Estimated Electricity Output from Planned «Wind Farms» with Actual 1999 Output from Some of Reliant Energy and TXUís Newer, Existing Generating Plants * Company & Generating Plant Generating Units Capacity In MW ** Fuel Unit Type Generation (
kWh) # TXU - FPL Wind Farm 242 160.0 Wind Wind Turbine 500,000,000 Reliant Wind Farm 160 208.0 Wind Wind Turbine 455,520,000 to 637,728,000 *** Reliant?
By way of
comparison, hydro and wind are rated at about 12 to 20 g CO 2 e /
kWh.
For
comparison here is the same equation for a coal - fired power plant: Coal power project installed cost: $ 2,500 / kW (High end number — Some coal fired plants are built for $ 1,500 / kW) Typical life of a coal fired plant: 30 years Hours per year: 8,760 Average availability of coal - fired power plant: 88 % Total electricity production during plant life: 231,000
kWh / kW installed Value of electricity produced: $ 16,188 / kW installed Lifetime Cost of fuel = 231,000 x $ 0.006 = $ 1,388 / kW installed Net Value of total electricity produced during plant life: $ 14,800 / kW installed.
In
comparison, analogous damages associated with the generation of electricity to power a midsize electric vehicle (EV; 2013 Nissan Leaf, 0.29
kWh mile − 1 (fueleconomy.gov)-RRB- are $ 840 yr − 1 for electricity from coal, $ 290 yr − 1 for electricity from natural gas and miniscule for nuclear or renewables (again the contrast is slightly larger using US - specific valuation; see ESM).
In
comparison, Digiconomist puts Bitcoin's current estimated annual energy consumption at 31.6 TWh — a 25 % increase since early November — which works out to roughly 86.5 million
KWh per day.