Unlocking Geothermal Power Eastern Caribbean Powerhouse

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Unlocking Geothermal Power Eastern Caribbean Powerhouse ( unlocking-geothermal-power-eastern-caribbean-powerhouse )

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13.2 Status of Geothermal Development 13.2.1 Resource potential and development Grenada’s geothermal resources have not been studied extensively. Preliminary surface exploration suggests that Grenada’s geothermal resource exceeds 30 MW but it has yet to be confirmed.289 The government and GRENLEC expressed interest in working together to explore the geothermal resource and develop a 10 MW geothermal plant. However, since 2013 progress in the project has slowed due in part to the change in government and the proposed changes to the ESA. Recent actions from the government suggest that it might be relaunching the project. The government restarted exploration works in 2014 with the support of the Government of New Zealand. The government received and presented the results of 3G studies in July 2015 to determine the way forward.290 The development of geothermal resources in Grenada has advanced slowly and has not progressed beyond preliminary surface exploration.291 To a large extent, the change in the government after the 2013 election and the government’s plans to amend the ESA caused the geothermal project to be put on hold. Nonetheless, the government recently restarted exploration works without GRENLEC with the support of the Government of New Zealand. These works are funded by the New Zealand Aid Programme as a result of an agreement signed in June 2014 to help Grenada and Saint Lucia develop their geothermal potential.292 The government received the results of the study in June 2015.293 Surface exploration studies completed in 2015 suggest a high-temperature resource. However, further surface exploration is required to determine the size of the field and composition of the reservoir.294 Preliminary studies suggest Grenada’s potential to be at least 30 MW.295 However, surface reconnaissance carried out by GRENLEC in 2009 suggests that the resource is of low enthalpy, meaning that it would be relatively expensive to develop.296 Further exploration is needed to confirm the size and quality of the resources, and to determine whether developing geothermal energy in Grenada is commercially viable. 289. World Bank, “Got Steam? Geothermal as an Opportunity for Growth in the Caribbean,” Caribbean Knowledge Series, June 2013, accessed March 6, 2014, http://www-wds.worldbank.org/external/default/WDSContentServer/WDSP/IB/2013/06/21/00044246 4_20130621142703/Rendered/PDF/786080WP015.0G00Box377349B00PUBLIC0.pdf. 290. 3G studies are surface exploration studies carried out before the test drilling phase to estimate the size and temperature of the geothermal resource. 291. To date, there have been four studies of Grenada’s geothermal resources. In 1981, OLADE carried out a reconnaissance study that found that Mt. Saint Catherine would be the most feasible area for geothermal development. In 1982, Gerald To date, there have been four studies of Grenada’s geothermal resources. In 1981, OLADE carried out a reconnaissance study that found that Mt. Saint Catherine would be the most feasible area for geothermal development. In 1982, Gerald Huttrer completed a study that evaluated the temperature and chemistry of specific sites. In 2008–2009, GRENLEC carried out a study, but it has not released the findings of its study to the government. In 2015, the government completed new surface exploration. GRENLEC, “Geothermal Energy in Grenada” (Costa Rica Study Tour: March 2014). 292. “NZ Firm Testing Caribbean Geothermal Resource,” New Zealand Energy News, April 2015; “St. Lucia, New Zealand Sign Geothermal Support Partnership Agreement,” Caribbean News Now, September 3, 2014, accessed May 23, 2016, http://caribbeannewsnow.com/ topstory-St-Lucia,-New-Zealand-sign-geothermal-support-partnership-agreement-22625.html. 293. Government of Grenada, Grenada Mission to the United Nations, “Brief on Geothermal Development in Grenada,” July 29, 2015, accessed December 3, 2015, http://www.grenadamissiontotheun.org/#!Brief-on-Geothermal-Development-in-Grenada/ tg6hr/55ce96520cf2ce5f89ab7e5c. 294. Ibid. 295. World Bank, “Got Steam? Geothermal as an Opportunity for Growth in the Caribbean,” Caribbean Knowledge Series, June 2013, accessed March 6, 2014, http://www-wds.worldbank.org/external/default/WDSContentServer/WDSP/IB/2013/06/21/000442464_ 20130621142703/Rendered/PDF/786080WP015.0G00Box377349B00PUBLIC0.pdf. 296. GRENLEC, “Geothermal Energy in Grenada” (Costa Rica Study Tour: March 2014). 129

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