CSP is more reliable than PV when coupled with thermal storage systems, CSPA

The 19.9 MW Gemasolar power plant in Spain was the first commercial CSP plant with a central tower receiver and molten salt storage.

CSP technology coupled with thermal energy storage can be more competitive than PV and wind in terms of comprehensive net grid system costs, according to a new report published by the Concentrating Solar Power Alliance (CSPA). The report, »The Economic and Reliability Benefits of CSP with Thermal Energy Storage: Literature Review and Research Needs, 2014,« is intended to show utilities, policymakers, TSOs and regulators, that the CSP technology can be more flexible and, in some cases, more cost effective than PV and wind. According to CSPA, a CPS plant is able to provide an additional benefit of $30 per 60 MWh in terms of overall grid system costs when compared with a PV plant with equal annual electricity production. The association recommends that regulators, utilities and grid operators include a »net system cost methodology« when evaluating renewable energy projects.

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