IEEE Power & Energy Magazine - November/December 2020 - 64
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T
THE CANARY ISLANDS ARE AN ARCHIPELAGO
of 7,447 km2 and 2,127,685 inhabitants (2018), situated
to the northwest of Africa (Figure 1). The islands are an
autonomous community of Spain. There are eight inhabited islands and six isolated power grids, as Fuerteventura, Lanzarote, and La Graciosa are an interconnected
system. The available amount of solar energy is quite
high, reaching values of approximately 1,900 kWh/kilowatt peak (kwp)/year in favorable locations. Wind is also
an important renewable resource, mostly during summer.
In 2018, the electricity generated in the Canaries reached 8,841 GWh, with a peak power demand of
1,403.6 MW. Of the electricity generated, 10.5% was
renewable, a 32.2% increase from the value in 2017. Of
the 3,007 MW of capacity installed in the Canaries, 168 MW
are from photovoltaics (PVs), 429 MW are from wind, and
13 MW are from hydro. Conventional power plants are mostly
combined-cycle units (865 MW), but there are also steam turbines (483 MW), diesel engines (487 MW), and gas turbines
(557 MW). These units are fueled with diesel and heavy oil.
Natural gas was approved to be introduced in the islands in
1989, but it is opposed by many residents. Further, the only
refinery located in the Canaries definitively stopped production in 2018, mainly for compliance with European Union
(EU) environmental regulations.
The Canaries are a very important tourist destination for many Europeans and others. In fact, the Canaries
hosted more than 15.6 million visitors in 2018. The tourism
industry accounts for up to 35% of the electricity consumption in the Canaries' insular power systems (Figure 1). In
contrast to other popular tourism islands in the EU (e.g.,
the Balearic and Greek islands), visitors to the Canaries are
well dispersed throughout the year. Thus, the load profile is
relatively flat, and conventional generation is generally constant year round, showing working-day hourly power peaks
between 1,170 and 1,400 MW in 2018 (Figure 2).
The average wholesale price of the electricity generated
by the conventional power units greatly depends on the size
of the insular system (Table 1). This price includes a fixed
cost, which is related to the availability of each unit to supply electricity during the time considered (the firm capacity),
and the variable cost, which is mostly related to the price of
By Ricardo Guerrero Lemus
Digital Object Identifier 10.1109/MPE.2020.3014745
Date of current version: 16 October 2020
64
ieee power & energy magazine
1540-7977/20©2020IEEE
november/december 2020
IEEE Power & Energy Magazine - November/December 2020
Table of Contents for the Digital Edition of IEEE Power & Energy Magazine - November/December 2020
Contents
IEEE Power & Energy Magazine - November/December 2020 - Cover1
IEEE Power & Energy Magazine - November/December 2020 - Cover2
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IEEE Power & Energy Magazine - November/December 2020 - Cover3
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