Difference between revisions of "Energy Input-Output Analysis"

From Open Risk Manual
 
(4 intermediate revisions by the same user not shown)
Line 1: Line 1:
 
== Definition ==
 
== Definition ==
'''Energy Input-Output Analysis''' is a type of [[Generalized Input-Output Analysis]] that explicity accounts for the energy cost of goods and services. The simplest and most straightforward of the energy extensions to the Leontief framework is to explicitly account for energy use by simply adding a set of linear energy coefficients that define energy use per a monetary unit's worth of output of industrial sectors.
+
'''Energy Input-Output Analysis''' is a type of [[Generalized Input-Output Analysis]] that explicity accounts for the [[Energy Cost]] of goods and services.  
 +
 
 +
The simplest and most straightforward of the energy extensions to the Leontief framework is to explicitly account for [[Energy Consumption]] by simply adding a set of linear [[Energy Use Intensity | energy coefficients]] that define energy use per a monetary unit's worth of output of industrial sectors.
  
 
== Usage ==
 
== Usage ==
In general, energy input–output typically determines the total amount of energy
+
In general, energy input-output typically determines the total amount of energy required to deliver a product to final demand, both directly as the energy consumed by an industry’s production process and indirectly as the energy embodied in that industry’s inputs.
required to deliver a product to final demand, both directly as the energy consumed by
 
an industry’s production process and indirectly as the energy embodied in that indus-
 
try’s inputs.
 
  
Energy input–output formulations should include the condition that the total primary energy intensity of a product should equal the total secondary energy intensity of the product plus any amount of energy lost in energy conversion or used for some other purpose. Such conditions are refered as [[Energy Conservation Conditions]].
+
Energy input-output formulations include the condition that the total primary energy intensity of a product should equal the total secondary energy intensity of the product plus any amount of energy lost in energy conversion or used for some other purpose. Such conditions are refered as [[Energy Conservation Conditions]].
  
Expressing transactions in hybrid units is accomplished by taking the original
+
Expressing transactions in hybrid units is accomplished by taking the original interindustry transactions matrix, Z, and replacing the energy rows with the corresponding rows in the energy flows matrix
interindustry transactions matrix, Z, and replacing the energy rows with the corresponding rows in the energy flows matrix,
 
  
 
== Formula  ==
 
== Formula  ==
We are interested in measuring energy flows in physical units, so presume we have an analogous identity given by Ei + q = g, where E is the matrix of energy flows from energy-producing sectors to all sectors as consumers of energy, q is the vector of energy deliveries to final demand4 and g is the vector of total energy consumption, all once again measured in physical units.
+
We are interested in measuring energy flows in physical units, so presume we have an analogous identity given by Ei + q = g, where E is the matrix of energy flows from energy-producing sectors to all sectors as consumers of energy, q is the vector of energy deliveries to final demand4 and g is the vector of total energy consumption, all once again measured in physical units.
 
 
Note that if there are n sectors in the economy, m of which are energy sectors, then Z will be of dimension n × n, but E will be of dimension m × n. Similarly, while f and x are of dimension n × 1, q and g will be of dimension m ×
 
  
 
== References ==
 
== References ==
 
<references/>
 
<references/>
  
[[Category:EEIO]]
+
[[Category:Energy Accounting]]
 +
[[Category:Energy Risk]]
 +
[[Category:PEFA]]
  
 
{{#set:Has Formula = HAS_FORMULA}}
 
{{#set:Has Formula = HAS_FORMULA}}
  
 
__SHOWFACTBOX__
 
__SHOWFACTBOX__

Latest revision as of 11:49, 11 March 2024

Definition

Energy Input-Output Analysis is a type of Generalized Input-Output Analysis that explicity accounts for the Energy Cost of goods and services.

The simplest and most straightforward of the energy extensions to the Leontief framework is to explicitly account for Energy Consumption by simply adding a set of linear energy coefficients that define energy use per a monetary unit's worth of output of industrial sectors.

Usage

In general, energy input-output typically determines the total amount of energy required to deliver a product to final demand, both directly as the energy consumed by an industry’s production process and indirectly as the energy embodied in that industry’s inputs.

Energy input-output formulations include the condition that the total primary energy intensity of a product should equal the total secondary energy intensity of the product plus any amount of energy lost in energy conversion or used for some other purpose. Such conditions are refered as Energy Conservation Conditions.

Expressing transactions in hybrid units is accomplished by taking the original interindustry transactions matrix, Z, and replacing the energy rows with the corresponding rows in the energy flows matrix

Formula

We are interested in measuring energy flows in physical units, so presume we have an analogous identity given by Ei + q = g, where E is the matrix of energy flows from energy-producing sectors to all sectors as consumers of energy, q is the vector of energy deliveries to final demand4 and g is the vector of total energy consumption, all once again measured in physical units.

References