By 'speed of electricity', presumably, you mean 'speed of current'? We don't normally measure the speed of current but, rather, its intensity. The unit of measurement of current is the ampere (A), which is one of the SI system's seven base units. The ampere is defined in terms of the force a current produces, due to the magnetic field surrounding it, between two, parallel conductors.
In the SI, any type of energy is measured in joules.
All forms of energy are measured using the same units. The SI unit for energy is the joule (J). However, the unit used by electrical utility companies is the kilowatt hour (kW.h).
Ohm
Electric energy used in homes is measured using a kilowatt hour meter. This is the meter that is found on the outside of your home just below where the utility company makes a connection to your house.
Light in night, cooling in hot days, ice making, computer, running business units etc.
Electrical energy is measured in the same units as any other type of energy: joules.
In the SI, any type of energy is measured in joules.
All forms of energy are measured using the same units. The SI unit for energy is the joule (J). However, the unit used by electrical utility companies is the kilowatt hour (kW.h).
Electrical current is measured in amperes (A), voltage is measured in volts (V), and resistance is measured in ohms (Ω). Power is measured in watts (W), and energy is measured in kilowatt-hours (kWh).
The energy associated with electrical charges is known as electrical energy. This energy is typically measured in units of joules (J) and is related to the movement of charged particles in an electric field, such as in electrical circuits or static electricity.
Electrical energy is measured in the same units as any other type of energy, namely joules. The amount of energy PER UNIT CHARGE is measured in volt.
If you refer to the units, you can use the same units for any type of energy - for example, you can express the energy in joule (which is the international unit for energy), in eV, in kWh, etc.
The strength of electrical force is measured in units of force called Newtons.
Power and energy are different physical quantities. They have their own units in SI system Unit of energy is joule and that of power is watt. Of course electrical energy is measured as kW h
The energy given off by burning fossil fuels can be measured in joules or kilojoules. This measurement quantifies the amount of heat or energy produced during the combustion process. It helps in understanding the efficiency and environmental impact of using fossil fuels for energy generation.
Lots of units are used to measure electricity, depending on what aspect you want to measure. For example: Voltage is measured in volts Current is measured in amperes Resistance (as well as impedance) is measured in ohms Power is measured in watts Capacitance is measured in coulomb Inductance is measured in henries etc.
Kj and KCal are units of energy. All energy can be measured in the same units, but that doesn't necessarily mean that you can easily convert the chemical energy in food, to electrical energy.