Although the global financial crisis has pushed governments to sharply cut aid to the renewable sector, it has had little effect on costs in the solar mirror power sector compared with the photovoltaic (PV) sector, which uses solar panels to generate power.
"We've see some reduction in prices, but nothing like in the PV sector. Costs per megawatt are between 4 and 5 million but they can reach up to six depending on the kind of power storage system you use," Seage said.
Sector analysts put the average cost of CSP per megawatt at about 5 million euros before the global financial crisis, about six times more than for conventional gas-fired power generation.
The high cost of CSP makes it unlikely to be competitive with conventional energy until the next decade, and that also depends on reasonable charges for carbon dioxide emissions.
"We see CSP power becoming competitive between 2020 and 2030, depending on a country's levels of radiation," Seage said.