❓ A parliamentary question seeks clarification on the carbon dioxide emissions intensity of electricity generation in the South West Interconnected System (SWIS) and discrepancies with national estimates. The answer clarifies Verve Energy's contribution and calculation methodology.
AnsweredQoN 8790Legislative Assembly
QuestionView source ↗
(1) What is the average amount of carbon dioxide produced for each kilowatt hour of electricity fed into the South West Interconnected System?
(2) How is this calculated?
(3) Why does this vary from the Department of Climate Change and Energy's estimate of 920 grams of carbon dioxide produced for every kilowatt hour of electricity?
(2) How is this calculated?
(3) Why does this vary from the Department of Climate Change and Energy's estimate of 920 grams of carbon dioxide produced for every kilowatt hour of electricity?
AnswerView source ↗
Answered
6 November 2012
Responded by
Minister representing the Minister for Energy
Response time
41 days
1) Verve Energy plant feeding into the SWIS have an overall estimated intensity of 0.87 kg CO2e/kWh based on 2011/12 data. It is important to understand that Verve Energy is one of several suppliers of electricity into the SWIS.
2) The number is calculated by dividing the total CO2e Scope 1 emissions from Verve Energy facilities by the electricity that is sent out to the SWIS. The CO2e emissions are calculated in accordance with requirements of the National Greenhouse and Energy Reporting Act 2007.
3) The Department of Climate Change and Energy Efficiency emission factors are "representative of the State's primary electricity grid" (Australian National Greenhouse Accounts. National Greenhouse Accounts Factors July 2012, P70, Table 40) and are three year averages. Verve Energy is one of several generators connected to Western Australia's primary electricity grid, the South West Interconnected System, and can report with confidence on its own emissions intensity only
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2) The number is calculated by dividing the total CO2e Scope 1 emissions from Verve Energy facilities by the electricity that is sent out to the SWIS. The CO2e emissions are calculated in accordance with requirements of the National Greenhouse and Energy Reporting Act 2007.
3) The Department of Climate Change and Energy Efficiency emission factors are "representative of the State's primary electricity grid" (Australian National Greenhouse Accounts. National Greenhouse Accounts Factors July 2012, P70, Table 40) and are three year averages. Verve Energy is one of several generators connected to Western Australia's primary electricity grid, the South West Interconnected System, and can report with confidence on its own emissions intensity only
Notice: This document is created or edited using unregistered or evaluation copy of rtLib valid for testing or development purposes only. To use it for productive or any other purposes please register it. You may purchase the license on
http://www.rtlib.com
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