Tbh, Eskom should be investing in more CSP, it's definitely hit the price of being competitive this year.
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It's such a large fall due to some projects taking a while to get approved (CSP is the least invested in renewable tech at the moment probably), a lot came online late 2020. South Africa probably has some of the best conditions for CSP in the world and it's definitely cheaper than the powerships they're paying for (above table is levelized cost btw).
Average CSP prices to fall by a half as Chile, Dubai projects near completion. The global average cost of new CSP projects is set to plummet in 2020 and 2021, based on auction and power purchase agreement (PPA) data, the International Renewable Energy Agency (IRENA) said in its latest annual...
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