Transport energy and city density: a case study of how renewable energy can reverse the curve

Byrd, Hugh and Ho, Anna (2012) Transport energy and city density: a case study of how renewable energy can reverse the curve. In: Housing in an Era of Risk and Crisis, 8-10 February 2012, Adelaide, Australia.

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Abstract

A central argument in favour of compact cities has been the inefficient use of transport energy by dispersed urban forms. However, when the means of transport is predominantly electric vehicles that are fuelled by renewable energy sources, this argument becomes less valid

The share of renewable sources in New Zealand's electricity supply is currently over 70% with a policy to increase this to 90% by the year 2020. In main urban areas, 90% of New Zealand's vehicles travel less than 69Km per day. This is well within current ranges of electric vehicles and makes this form of transport attractive once costs of operating and running electric vehicles are competitive with conventional forms of transport.
This paper will present the findings of research on the total energy supply and consumption in different urban densities with different dispersal. The total energy use will take account of household transport energy consumed and the potential energy supplied to housing by photovoltaics mounted on roofs. The results show that, for transportation in Auckland, suburban development is more energy efficient than intensifying the city.

Additional Information:A central argument in favour of compact cities has been the inefficient use of transport energy by dispersed urban forms. However, when the means of transport is predominantly electric vehicles that are fuelled by renewable energy sources, this argument becomes less valid The share of renewable sources in New Zealand's electricity supply is currently over 70% with a policy to increase this to 90% by the year 2020. In main urban areas, 90% of New Zealand's vehicles travel less than 69Km per day. This is well within current ranges of electric vehicles and makes this form of transport attractive once costs of operating and running electric vehicles are competitive with conventional forms of transport. This paper will present the findings of research on the total energy supply and consumption in different urban densities with different dispersal. The total energy use will take account of household transport energy consumed and the potential energy supplied to housing by photovoltaics mounted on roofs. The results show that, for transportation in Auckland, suburban development is more energy efficient than intensifying the city.
Keywords:electric vehicles, intensification, suburbia, renewable energy
Subjects:K Architecture, Building and Planning > K450 Housing
K Architecture, Building and Planning > K460 Transport Planning
Divisions:College of Arts > School of Architecture & Design > School of Architecture & Design (Architecture)
ID Code:7810
Deposited On:05 Mar 2013 20:42

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