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Energy Policy and Analysis Caribbean

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Energy Policy and Analysis Caribbean ( energy-policy-and-analysis-caribbean )

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3.4.8 Energy Supply Outlook Grenada participates in PetroCaribe (Burke 2009, p. 5). To provide future supply, the World Bank Report projects that the least-cost fuel combination is 10 MW of diesel capacity for peak and mid-range duty, and 10 MW of coal-fueled circulating fluidized bed capacity for base load (Nexant 2010, p. 1.8). The cost of fossil fuel energy for Grenada could be reduced with the expansion of the regional petroleum facilities in St. Lucia (Nexant 2010, p. 7.22). 3.4.9 Renewable Energy Screening curve comparisons performed by Nexant indicate that renewable sources (particularly wind) are favorable as compared to fossil-fuel sources (including coal, oil, and natural gas) at certain capacity factors (Nexant 2010, pp. 11.6, 11.22–11.23). Scenario analysis shows that development of wind capacity would benefit Grenada regardless of future fossil-fuel development (Nexant 2010, p. 14.3). Table 12. Grenada Renewable Energy Potential Technology Value Hydro Wind Geothermal Solar Biomass and Other Source: Loy & Farrell 2005, pp. 23, 56. 500 kW 20 MW Unknown Unknown Unknown 3.4.9.1 Hydro There is only moderate potential for hydropower in Grenada, and its use would compete with potable water and irrigation uses (Loy & Farrell 2005, p. 23). 3.4.9.2 Wind The Paradise Bay Resort installed an 80-kW wind turbine for self-generation in 2007, the first utility- grade turbine at a resort in the region. Its expected annual production is 180,000 kWh, and GRENLEC allows surplus generation to be sold back to the grid (Posorski & Werner 2009, p. 69). The utility itself has assessed wind resources on five sites in Grenada and two sites in Carriacou, with a goal of installing 1 MW (Hosten 2009, pp. 19-20). Although it has technology partners, GRENLEC prefers in-house operation of wind farms to IPPs. It is negotiating leases on two of the sites in Grenada, where average wind speed is approximately 7.6 m/s, and expects to install 3 MW capacity overall. On Carriacou GRENLEC is seeking to install 1 MW on a government site. It expects to eventually reach a similar capacity in Petite Martinique (Loy & Farrell 2005, p. 22; Posorski & Werner 2009, pp. 68–69). 3.4.9.3 Geothermal GRENLEC studied geothermal feasibility in 2009 (Hosten 2009, pp. 18–20). GRENLEC and the Government of Grenada concluded in 2010 that the geothermal resource development potential was between 20-50 MW and was worthwhile pursuing (CARICOM Energy Programme Quarterly Newsletter 2010, pp. 12). New exploration with sound technology, however, is necessary to assess quality of the geothermal fluid and temperature of the geothermal fields. Direct use for heating the water supply is available (Loy & Farrell 2005, p. 22). In 2010 the Government of Grenada established a Geothermal Energy Committee (GEC) composed of representatives of relevant ministries and GRENLEC to provide 56

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