A Study about Distributed Power Generation: Rural India
Abstract: In this paper, we present an analysis of a rural distribution network to examine what the benefits of decentralized generation would be for meeting rural loads. We use load flow analysis to simulate the line conditions for actual rural feeders in India, and quantify the loss reduction and systemimprovement by having decentralized generation available. We also present a framework for valuing ancillary services from the generator, viz., reactive power. This provides a starting point for utilities in developing countries to better plan their systems to meet dispersed loads, while optimizing for renewables and other decentralized generation sources.
Introduction: Rural electricity supply in India has been lagging in terms of service (measured by hours of supply) as well as penetration. Only 31% of the rural households have access to electricity, and the supply suffers from frequent power cuts and high fluctuations in voltage and frequency, with so-called blackouts and brownouts. The demand-supply gap is currently 7.8% of average load and 13% of peak demand at current prices, which are heavily subsidized, on average. In order to bridge this gap and meet anticipated growth, it is necessary to double the present capacity, i.e., install an additional generation capacity of 100,000 MW by 2012. This would require an investment of Rs. (Rupees1) 7,500 billion (approximately $150+ billion) including investments in transmission & distribution. Keep reading…
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