Renewable Energy Handbook 2010 - Department of Finance - The ...

A 2.1 Resources Availablein Western AustraliaWestern Australia is generously endowed withrenewable energy resources. Sunshine and wind areplentiful and there are a number of locations throughoutthe State where bioenergy, hydro, wave, tidal andgeothermal energy resources are potentially available.The use of renewable energy within WA is growingin signifi cance for a number of reasons, but mainlyin response to programs addressing concernsabout greenhouse gas emissions. In the State’s mainelectricity grid, the SWIS, the proportion of totalelectricity consumption met from renewable energyhas increased from less than one per cent in2002/03 to fi ve percent in 2008/09.There is a wide range of both large-scale andsmall-scale applications for renewable energy in thisState, although the commercial success of these varies.In order to be commercially successful, renewableenergy technologies and products must be technicallydeveloped, appealing to the market, cost-competitiveand supported by a signifi cant resource base.OFFICE OF ENERGYRENEWABLE ENERGY HANDBOOK 2010Small wind energy, geothermal heat pumps,hydrothermal energy, and tidal energy have high levelsof technical development, but low levels of marketuptake. Hydrothermal energy and tidal energy areconstrained by the limited size or isolation of theirresource base. New large-scale hydro-electricdevelopments have limited potential to be commerciallysuccessful in Western Australia. Premium sites havealready developed and new projects are subject toconcerns over their potentially negative environmentalimpacts. Small wind power generators are uncompetitivecompared against conventional fuels and power sources,and are more suited to off-grid applications.Solar thermal electricity, hot dry rocks, wave energy,and fuel conversion technologies such as fuel cellsand hydrogen fuel technologies are pre-commercialtechnologies, with lower levels of technical developmentand market uptake. All of these, however,are supported by large resource bases.A 2.3 Utilisation inWestern Australia55RENEWABLE ENERGY IN WESTERN AUSTRALIAA 2.2 Renewable EnergyTechnology DevelopmentSolar hot water, bagasse-fi red and bioenergy-basedgeneration; and large wind energy are technologicallymature and commercially viable and, in manyapplications, have high levels of both technicaldevelopment and market uptake.Liquid biofuels, cogeneration, enabling technologies,remote area power supply (RAPS), small hydro-electricity,and photovoltaics (PV) are less commercially mature.These have high levels of technical development butlower levels of market uptake, and are less competitiveagainst conventional fuels and power sources.These technologies are supported by substantialresource bases.A 2.3.1 REMOTE AREA POWER SUPPLY(RAPS) SYSTEMSIn Western Australia, stand-alone and hybrid RemoteArea Power Supply (RAPS) Systems are used widelyto provide power through the use of solar energysystems. Examples of where they are used includeholiday homes and shacks, boats and recreationalvehicles, small rural farms (single homes), large stationhomesteads (with multiple residences), remoteAboriginal communities, small mining operationsand various telecommunications applications.Most renewable energy RAPS systems are installedin remote areas of Western Australia, where thepenetration of renewable energy systems on pastoralstations is now 34 per cent. Surveys show that thereis a growing acceptance of remote area powersupply technologies, which is also being refl ectedby bigger systems recently installed.