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dynamic, and shaped by a variety of socio-economic, physical, environmental and<br />

technological factors of renewable <strong>energy</strong> utilization of urban land-use planning system.<br />

In Turkish case, a lot of sustainability and renewal <strong>energy</strong> sources and<br />

technologies were issued, but only a few studies were related with planning system and<br />

land-use <strong>decision</strong> perspective. Erbaş, in 2002, in doctorate thesis, researched the<br />

relationship between <strong>energy</strong> useful and the planning of urban settlement. According to<br />

Erbaş, there are some criteria’s about relations of <strong>energy</strong> integrated urban planning. The<br />

doctorate thesis on the “Integration of Renewable Energy Technologies into Urban<br />

Planning” completed by Peker (2004) is the academic study conducted by the<br />

Department of Urban and Regional Planning in İzmir Institute of Technology<br />

(IZTECH) taking Turkey as a basis. The general in<strong>for</strong>mation about renewable <strong>energy</strong><br />

types, especially wind, solar and geothermal energies, and general approach of<br />

renewable energies related with urban planning are defined in this study.<br />

2.1.2.2. Renewable Energy Technologies and Energy Integrated Urban<br />

Land-use Planning<br />

The utilization of renewable <strong>energy</strong> sources is an important component of<br />

sustainable development in urban land-use. There are three major reasons <strong>for</strong> this.<br />

• Renewable <strong>energy</strong> sources have potentially low environmental impact in<br />

comparison with other sources of <strong>energy</strong><br />

• Renewable <strong>energy</strong> sources are critical <strong>for</strong> sustainable development; their <strong>energy</strong><br />

cannot be depleted, dissimilar fossil fuel and uranium resources.<br />

• Renewable <strong>energy</strong> sources favor power system decentralization and <strong>local</strong>ly<br />

applicable solutions more or less independent of the national network, thus<br />

enhancing the flexibility of the system and the economic power supply to small<br />

isolated settlements (OECD 1995).<br />

According to Dinçer (2000), renewable <strong>energy</strong> technologies produce marketable<br />

<strong>energy</strong> by converting natural phenomena into useful <strong>energy</strong> <strong>for</strong>ms. Renewable <strong>energy</strong><br />

technologies consist of solar <strong>energy</strong>, biomass <strong>energy</strong>, hydro <strong>energy</strong>, wind <strong>energy</strong> and<br />

wave <strong>energy</strong> (impact of the Earth). Two other sources of <strong>energy</strong> which are usually<br />

included as renewable are tidal <strong>energy</strong> (gravitational <strong>for</strong>ces) and geothermal <strong>energy</strong> (the<br />

heat of the earth’s core). Though geothermal <strong>energy</strong> is not regarded strictly as a<br />

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