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Calculations production numbers

Average passenger car CO2 emissions

The annual CO2 emission from a passenger car in Ireland is 1,962 Kg.

The average NEDC CO2 emissions from new passenger cars sold in 2020 in Ireland is 106,2g CO2/km. In 2010 equivalent number was 133,63g CO2/km. Let’s assume the average CO2 emissions from passenger cars in Ireland is 120g CO2/km.

On average, each private car travelled 16,352 kilometers in 2019 (using 2019 numbers due to covid-19 in 2020).

Formula:

16,352 km * 120g CO2/km = 1962 Kg CO2

Sources:

Monitoring of CO2 emissions from passenger cars (europa.eu)

Transport | Energy Statistics In Ireland | SEAI

Road Traffic Volumes - CSO - Central Statistics Office 2019

Road Traffic Volumes - CSO - Central Statistics Office 2020

 

Gas

Natural gas is the main source of gas in Ireland. A standard cubic meter of natural gas correspond to around 11 kWh. To produce 1 MWh of electricity from natural gas, around 180 m3 of natural gas is needed, if we assume that the efficiency of the gas-fired power plant is 50%. Please note that these are not accurate numbers – there are variations in the efficiency of gas-fired power plants (and also some questions about definitions in efficiency/energy content).

Formula:

1MWh = 180 m3 natural gas

Power production MWh * 180 m3 = m3 gas reduced

Sources:

Electricity | Energy Statistics In Ireland | SEAI

Convert m3 To kWh (Gas Cubic Meter To kWh Calculator) - LearnMetrics

How to Convert Gas Units to kWh the Easy Way (selectra.co.uk)

 

CO2 from gas

The CO2 calculations are based on power produced from natural gas. 57,1% of the total energy produced in Ireland was from natural gas in 2020. 1 MWh of natural gas produces about 0,4 tonnes of CO2.

Formula:

Total production * 0,4 tonnes = tonnes of CO2 reduced.

Sources:

Electricity | Energy Statistics In Ireland | SEAI

Frequently Asked Questions (FAQs) - U.S. Energy Information Administration (EIA)

 

Households

In 2020 the average home used 20.955 kWh of energy - split into 76% from direct fuel (non-electric) and 24% from electricity. This 76:24 split of energy sources was steady since 2011. Ireland's government aims to increase the electric splits by 2030. 

Our calculations are based on that Ireland households are 100% electrified. 

Formula:

Power production kWh / 20.955 kWh = number of households powered.

Source:

Residential | Energy Statistics In Ireland | SEAI