Based on data from 2007, area of critical land in Aceh Province 459,469.28 ha area with an area of 393,025.63 hectares categorized as critical and very critical area of 66,443.65 hectares. In 2011 the area of critical land in the province has increased reaching 460,099.76 ha, with an area of 393,397.03 hectares categorized as critical and very critical area of 66,702.73 hectares. Critical land is unproductive land. Although it is managed, the productivity is very low, sometimes the quantities of products received far less than the cost of management. This land is barren, bare, not suitable for agriculture, due to its degraded fertility rate. In relation to the energy issues, critical land - as a bioenergy crop land - considered to resolve a fraction of issues on electricity peak load in Aceh, which reached 204.5 MW, much of which can be provided at this time is about 58.2 MW. Current policy of Aceh Government in energy development prioritizing the development renewable energy - which is claimed to be environmentally friendly - to meet its energy needs in order to deliver an equal welfare of the people of Aceh through the energy diversification, intensification of energy and energy conservation. In this study, a set of remotely sensed data, environmental data and field survey information is analised to identify possible marginal lands in Aceh. All Gathered data was transferred to the Geographical Information System (GIS) software in order to develop maps and a database of potential marginal lands that could be used for bioenergy production.
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