Tag Archives: red eléctrica de españa

El Hierro October 2016 performance update

During October the hybrid wind-hydro Gorona del Viento (GdV) plant achieved 19.8% renewables generation that compares with the 58.2% achieved in August 2016. The cause was an abrupt mid-month fall in the wind. Continue reading

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El Hierro completes a year of full operation

At the end of June the Gorona del Viento (GdV) plant completed its first year of full operation, during which it supplied 34.6% of El Hierro’s electricity demand with renewable electricity at a cost probably exceeding €1.00/kWh while lowering the island’s CO2 emissions by approximately 12,000 tons at a cost of around €1,000/ton. This post summarizes these unexpectedly poor results, discusses the reasons for them and concludes that GdV, which was intended to show the world how fossil fuel generation can readily be replaced with intermittent renewables, can already be classified as a “failed project”. Continue reading

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El Hierro – and the water goes round and round ……

Roger Andrews tries to make sense of the pumped hydro component of the 100% renewable plant operated by GdV on El Hierro, Spain. His conclusion is that the upper reservoir has fallen out of use, evidently confirmed by photographs from Rainer, our man on El Hierro. It appears that surplus wind energy is simply used to pump water up the hill and to then let it run down again. Continue reading

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El Hierro Renewable Energy Project – End 2015 Performance Review and Summary

The Gorona del Viento (GdV) plant on the Canary Island of El Hierro is a flagship project designed ultimately to provide the island with 100% renewable electricity and to demonstrate that hybrid wind/pumped hydro systems can be used to generate 100% renewable electricity in other parts of the world.

The data accumulated since full operations began on June 27, 2015 are sufficient to show that the GdV plant as presently structured is not capable of supplying 100% of El Hierro’s electricity demand for 100% of the time.
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A review of concentrated solar power (CSP) in Spain

In this post I use the Red Eléctrica de España data to review the performance of Spain’s CSP plants and to check among other things whether the claim that they are capable of providing baseload generation, as this 2011 Forbes article claimed, holds up in the light of operating experience. Spain is a good case study because the lion’s share of world’s CSP capacity (2.3 of 3.4GW in 2013) is installed there. Continue reading

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