(e) Linkages to Other Indicators: This indicator is linked to annual indigenous fuel
production, annual energy use per capita, net energy import dependence and lifetime
of proven energy reserves. It is also closely linked to some of the environmental
indicators, such as air pollutants and GHG emissions, generation of solid and
radioactive wastes, land area taken by energy facilities, etc.
METHODOLOGICAL DESCRIPTION
(a) Underlying Definitions and Concepts: This indicator disaggregates energy
supply by fuel source with respect to TPES, TFC and electricity generation and
generating capacity. The components of this indicator are consumption of various
fossil fuels (coal, crude oil, petroleum products, gas); primary electricity and heat;
non-combustible renewables; and combustible renewables and waste (CRW).
Regarding the primary energy supply mix, sources to be specified are coal, crude oil,
gas, nuclear power, hydropower, non-combustible renewables, CRW and net import
of electricity.
Regarding the final energy use mix, sources to be specified are coal, crude oil,
petroleum products, gas, electricity, heat and CRW.
Regarding electricity generation and generating capacity, sources to be specified are
coal, petroleum products, gas, nuclear, hydropower, non-combustible renewables and
CRW.
(b) Measuring Methods: This indicator is computed by calculating the ratio of
consumption or production of the specific energy fuels identified above to total
energy use or production with respect to:
• TPES,
• TFC and
• Electricity generation.
Energy use is measured in terms of heat contents based on their specific net calorific
values (NCVs).
For electricity generating capacity, the indicator corresponds to the shares of capacity
by fuel.
(c) Limitations of the Indicator: Data on particular fuels for a number of developing
countries might be a limitation.
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