What is the most expensive source of energy?

Costs of energy sources

The characteristics of the structure of the electricity market, the weight of the different sources of production (known as the mix) and the way in which all this is passed on to the final bill explain why consumers pay one of the most expensive electricity bills on the continent.

One of the initiatives announced by the Government consists of reducing the so-called “windfall profits” received by non-polluting power plants, basically nuclear and hydroelectric, for the retribution of CO2 not emitted. The future regulation proposes to cut the income received by nuclear power plants, 80% of the installed hydroelectric power and wind farms prior to the publication of the EU directive that created the European CO2 market.

The high prices of this market are passed on to the wholesale electricity market and currently provide these plants with extraordinary benefits -carbon dividend- which the Government does not consider adequate.

What is the most expensive energy

The process begins when sunlight falls on one of the faces of a photoelectric cell, which make up the solar panels, and an electrical potential differential is produced between the two faces causing electrons to jump from one place to another, thus generating electric current that is then transported to the distribution network to reach the points of consumption.

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In addition to not emitting polluting or greenhouse gases during energy production, one of the main advantages of this technology is that it is modular. That is, the panels can be used for self-consumption (supplying electricity to homes or buildings) or also to supply the grid through large power plants, as is the case of our Rubí Solar Power Plant. Find more information about this power plant here.

What is the most difficult energy to obtain

The normal direct irradiance (or perpendicular to the sun’s rays) outside the atmosphere is called the solar constant and has an average value of 1366 W/m² (corresponding to a maximum value at perihelion of 1395 W/m² and a minimum value at aphelion of 1308 W/m²).

Radiation absorbed by the oceans, clouds, air and land masses increases their temperature. The heated air is that which contains evaporated water rising from the oceans, and also partly from the continents, causing atmospheric circulation or convection. As the air rises to the upper layers, where the temperature is low, it decreases in temperature until the water vapor condenses to form clouds. The latent heat of water condensation amplifies convection, producing phenomena such as wind, squalls and anticyclones.

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[8] Solar energy absorbed by the oceans and land masses keeps the surface at 14 °C.[9] For the photosynthesis of green plants, solar energy is converted into chemical energy, which produces food, wood and biomass, from which fossil fuels are also derived.[10] The sun’s energy is converted into chemical energy, which produces food, wood and biomass, from which fossil fuels are also derived.[10

Wind power is expensive or cheap

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Energy of the future is an energy model that relies mostly on the consumption of fossil fuels for transportation and electric power generation. There are two factors that call into question the survival of this model, which has been in place since at least the 19th century. These factors are the depletion of fuel reserves and global warming.

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Wind energy is based on the potential energy of wind currents. This potential energy is captured by the blades of wind generators and transformed into electrical energy in the alternators inside the generators.

The most favorable areas for the installation of wind towers are coastal regions and large steppes, where constant winds blow regularly: an average wind speed of over 30 km/h is necessary for a wind turbine to operate efficiently. In addition, wind turbines can be erected and dismantled without leaving much of a mark on nature.