Evolution of concentrated solar power technology
2018.04.26 From: helioscsp
On the occasion of the recent acquisition by Grupo T-Solar of two Solar Thermal power plants with parabolic trough technology, which represents an aggregation of 100 new MW of management, we started an examination of this other type of solar energy.
SOME ASPECTS OF THIS TECHNOLOGY SO THE COMPANY BETS FOR IT:
Spain leads the world production of thermoelectric solar energy and is indisputable world leader, since the set of solar thermal power plants installed in our country account for 72.85% of all installed power on the planet ”
It is an evolving technology: The pipeline of solar thermal plants under construction is growing and is currently focused on Middle East and Maghreb (MENA) countries, followed by India and China.
It is a technology that allows to combine with other renewable sources – hybrid systems (hybrid systems with gas or in areas with steam demand) that undoubtedly is what drives the growth of this technology.
SOME DATA ON THERMAL SOLAR ENERGY AT GLOBAL LEVEL.
The report “Solar Thermal Energy” published by IDAE, 2006, collects: “Europe represents only 9% of the world market of solar thermal energy with an installed power of 10,000 MWth (thermal MW) at the end of 2004 (…) Germany, Greece, Austria and Spain, together, represent 78% of the installed capacity in Europe (Data from the Report of the Federation of the European Solar Thermal Industry of June 2005) (…) Germany continues (…) as the undisputed leader in Europe , with 4,000 thermal MW installed and an area of 5.7 million square meters (…) Greece is the second European country in terms of market volume. With 14% of the total installed area in the European Union (…) Spain is the fourth European country in the use of solar thermal energy, ahead of countries such as Italy, France and Great Britain. With 6% of the total European market (…) Of the 10,000 new m2 that were installed each year in the 90s, we have moved to average growth above 60,000 m2 in the first years of 2000, until reaching the 90,000 in the year 2005 “.
According to this same report: “Solar thermal: an installed power of 98.4 GW thermal at the end of 2004 (Data from Solar Heat Worldwide 2004, considering 41 countries that represent 57% of the world population and 85-90% of the world solar thermal market). As regards the distribution of solar thermal energy by countries, the world market continues to be dominated by China (…) China, followed by Japan, Turkey, Germany and Israel with high growth rates in recent years. Among them, special attention is drawn to the development of solar energy in Israel, where around 85% of homes are equipped with solar thermal sensors “.
More recent is Ángel Bohórquez’s note in “Solar Thermal Energy” IDB Publications, 2013: “At the end of 2010, the global capacity of installed solar thermal systems was approximately 195 GWth (occupying a total installed area of 279 million m2) compared to 282 GWe of wind, 10.7 GWe of geothermal energy and 40 GWe of photovoltaic solar energy (PV) “.
On 06/20/2012 helionoticias.es published an article entitled “Solar thermal energy in Europe”, in which we can read the hegemonic role that our country had in Europe at that time, with respect to solar thermal energy. We review your data:
-Central thermoelectric power stations (CSP), end of 2011: 1151 MW (737 at the end of 2010).
-Occumulated solar thermal electricity production in 2011: 2029 GWh (692 GWh in 2010).
-The production of electricity from solar thermal power plants (CSP) increased by 193% in 2011 compared to 2010. Spain is still the only country in the European Union that has developed the large-scale solar thermal sector and, by the end of 2011, it concentrated all of Europe’s solar thermal commercial operations within its borders, with 1,151 MW of installed capacity. If we add the capacity of the four prototypes commissioned in the European Union, the total capacity of the latter was 1,157 MW at the end of 2011.
-New solar thermal installations came into operation in 2011 (with a combined capacity of 420 MW), all located in Spain. Eight of them are of the parabolic channel type, each with a capacity of 50 MW.
-The electricity production of all solar thermal power plants in Spain, which is 2,029 GWh in 2011 (692 GWh in 2010) according to the Spanish Electricity Network, which represents an increase of 193.4% compared to 2010.
Víctor Comas, in September 2012 and on the Interempresas.net website, titled his article “Spain leads the global production of solar thermal energy”, from which we extract the following paragraph: “The one of the thermoelectric solar energy is one of the few sectors in those that Spain is indisputable world-wide leader, since the set of the thermoelectric solar power stations installed in our country suppose 72,85% of all the installed power in the planet “.
Ren 21. Renewable Energies 2016 World Situation Report: “In 2015, Morocco (160 MW), South Africa (150 MW) and the United States (110 MW) built new concentrating solar thermal installations online, raising the total world capacity around of 10%, about 4.8 GW. The new facilities represent a combination of parabolic technologies (see the allusion to the parabolic-cylinder technology in this article) and of tower, and all incorporate thermal energy storage (TES for its acronym in English). At the end of the year, concentrating solar power capacity (CSP) was under construction in Morocco (350 MW), South Africa (200 MW), Israel (121 MW), Chile (110 MW), Saudi Arabia (100 MW), China (50 MW) and India (25 MW), reflecting a shift from traditional markets (Spain and the United States) to regions with high levels of direct direct radiation (DNI). ” .
We clearly see the leadership position held by Spain at the global level with regard to Solar Thermal Concentration Energy (CSP) at the end of 2015.
CURRENT SITUATION OF THERMAL SOLAR ENERGY IN SPAIN.
Some data of the Report of the APPA (Spanish Association of Renewable Companies): Study of the Macroeconomic Impact of Renewable Energies in Spain 2016: The solar thermal sector had a positive impact on the Spanish economy in 2016 of 1,400 million euros, with a direct contribution to GDP of 1.092 billion euros + a contribution induced to GDP of 308 million euros.
The thermoelectric sector employs 5,216 workers (3181 direct jobs + 2015 indirect jobs), while the thermal solar sector employs 912 workers (710 direct + 202 indirect).
We note that this report of the APPA that we examine distinguishes between Solar Thermal and Thermoelectric. We consider using both titles indistinctly, although we declined by thermoelectric the one produced by the different types of thermoelectric solar power plants, which according to solarweb.net are: 1. Tower power plant. 2. Central parabolic disk. 3. Central parabolic cylinder.
As it has been published, the two plants recently acquired by Grupo T-Solar, the Morón project in Seville of 50 megawatts and the Olivenza project of 50 megawatts in Badajoz, use the latter type of Cylinder-Parabolic technology (without storage in molten salts).
Other classifications are made according to the type of collectors: A) Stationary. to. Flat collector (CP). FPC in English b. Collector of evacuated tube. c. Compound parabolic collector (CPC). B) Not stationary. to. Parabolic cylindrical collectors.
According to this APPA report, Spain is the second country in the world in percentage of renewable patents on total patents, second only to Denmark. For Protermosolar.com the number of patents requested (by our country) in the last twelve years is 948.
If we consider the Spanish Solar Thermal expressed in terms of C.C. A.A. and of the m2 of new surface installed in 2016, we have:
Regarding the same parameters but considering the accumulated surface:
As it could not be otherwise, given the solar advantage of this community compared to the rest, it is Andalusia that leads the installation of these solar thermal plants.
ANNUAL PRODUCTION OF THERMAL SOLAR ENERGY IN SPAIN (INCLUDED 2017).
According to data from Protermosolar, solar thermal energy increased its production of electricity in 2017 to reach a generation of 5,347 GWh in the accumulated of the year, representing an increase of 5.5% over 2016.
If we consider the production by provinces, Badajoz is the province that generated more solar thermal energy in 2017, with 1,573,159 MWh, followed by Seville with 918,798 MWh and Ciudad Real 742,678 MWh.
If we read the composition of the Spanish electric mix last year, we will observe that THE SOLAR SOURCE ENERGY (PHOTOVOLTAIC + THERMAL SOLAR) EXCEEDS 5% OF THE GENERATION TOTAL.
In this regard, the emphasis put by the CEO of Grupo T-Solar, Marta Martínez Queimadelos, on the synergy that occurs between the two technologies (which constitutes the traditional portfolio of the group, plus the new acquisition) acquires full meaning.
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