Technology Assessment Reports

Date:

January 2003

Title:

TA 26 - A Life Cycle Assessment of the QLD Electricity Grid

Type:

Technology Assessments Report

Author(s):

A. Cottrell, J. Nunn, A. Urfer, L. Wibberley, P. Scaife

This report gives results for a life cycle analysis (LCA) for the supply of 1 MWh of electricity from the Queensland grid based on YEJ 2001, and a generation capacity of ~8,800 MW. This report is part of a series of LCA studies of the Australian State grids, which are being undertaken to provide benchmark data sets for future studies by the CCSD. The analysis takes into account all power supplied from power stations on the Queensland interconnected grid, but excludes interstate transfers. The analysis includes systems associated with power generation, transmission and distribution.

The study aims to provide a more detailed, transparent and disaggregated evaluation of Queensland’s electricity grid than reported in other studies (which have focused on greenhouse gas emissions). The study includes a range of indicators including resource energy and fresh water consumption, greenhouse gas emissions (GGEs), NOx, SOx, particulates and solid waste emissions, and a range of substances sourced from the National Pollutant Inventory (NPI) database. Being LCA-based, it also includes emissions from the supply of other materials and services for mining, transportation, generation and distribution.

LCA-QLDgrid

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