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Solar energy is energy that comes from the Sun. It is a renewable energy source that converts solar radiation into electricity or thermal energy.

• Solar radiation

  Solar radiation is the amount of energy from the sun that is received on a certain surface and time.

• Types of solar energy

  The different types of solar energy are the different strategies to take advantage of the Sun's energy. List of the main types with a brief description.

• Advantages and limitations

  The pros and cons of solar energy. We analyze its advantages and limitations in terms of costs, environment, and efficiency compared to other energy sources.

• Examples

  List and description of some examples of the use of solar energy on a daily basis to obtain electricity and heat.

• History of solar energy

  Strategies and inventions created by humanity to harness solar energy throughout history.

• Environmental impact

  Find out what the environmental impact of solar installations is. Positive and negative effects from an environmental point of view.

What is photovoltaic solar energy, how it works and what are its main benefits. Learn about its impact on energy savings and the environment.

• Photovoltaic effect

  The photovoltaic effect is the effect that allows solar energy to be transformed into electrical energy through photovoltaic cells.

• Applications of solar cells

  Applications in which the use of photovoltaic solar energy in different fields. Examples of photovoltaic installations in isolated systems.

• Parts

  Description of the main parts that make up a photovoltaic system. Components of off-grid and grid-connected systems with descriptions.

• Grid-connected PV system

  Grid-connected PV systems have the possibility of selling the surplus energy generated to the electricity company.

• Off-grid solar systems

  Off-grid solar systems are solar power facilities that do not have access to the electricity grid. All the energy generated is for own consumption.

• Solar photovoltaic power plant

  Discover what a solar photovoltaic power plant is, how it works, its key components, and the benefits of harnessing clean, renewable solar energy.

Solar thermal energy converts solar energy into thermal energy. It is used to obtain hot water or electricity in large power plants.

• Solar thermal applications

  Discover the versatility of solar thermal energy, from direct applications like water heating to indirect uses like electricity generation. Learn how these sustainable energy solutions can transform industries and reduce emissions.

• Solar thermal energy

  Solar thermal energy allows generating electrical energy through solar thermal energy. What is the difference with photovoltaics?

• Low temperature home systems

  Low temperature solar thermal energy takes advantage of solar energy to obtain temperatures below 65ºC. How and what is it used for?

• Medium temperature systems

  Discover how medium temperature solar power plants harness renewable solar energy to generate heat and electricity for industrial, agricultural, and commercial applications. Learn about their technologies, uses, and benefits in creating a sustainable future.

• Solar furnace

  A solar furnace is a structure that concentrates solar radiation to produce high temperatures using concave mirrors.

• Savings and profitability

  The profitability of a solar thermal energy installation depends on the calculation of factors such as solar availability or sizing.

A solar panel is a device for harnessing solar energy. Solar panels exist for obtaining electricity or thermal energy.

• Photovoltaic panels

  A photovoltaic solar panel is an element designed to convert solar energy into electricity. Types and characteristics of photovoltaic panels.

• Solar collectors

  The solar thermal collector is the component of a solar thermal energy installation, responsible for capturing the heat that comes from solar radiation.

• Solar concentrator

  A solar concentrator is a device that works concentrating solar power at one point. It is mainly used in solar thermal energy installations.

• Hybrid solar panel

  A hybrid solar panel allows you to convert solar energy partly into electrical energy and partly into thermal energy.

Energy sources are the resources available to man that are used to generate electricity, work or heat.

• The Sun as a source of energy

  The Sun, the primary source of energy, drives vital processes such as photosynthesis and the water cycle. Its light and heat are essential for life on Earth.

• Renewable energy

  Renewable energies come from inexhaustible natural sources. Advantages. Types of renewable resources and examples.

• Non-renewable energy

  Non-renewable energy is energy generated through an exhaustible energy source. We explain the types there are with examples.

• Clean energies

  Clean energies are energy sources that do not generate polluting elements for the environment.

• Sustainable development

  Sustainable development encompasses all actions that allow economic and social development in human activities without compromising the future.

• Eco-efficiency

  What is eco-efficiency and how eco-efficient processes can help reduce environmental impact, optimize resources and improve business sustainability.

Electricity is the form of energy due to the movement of electrical charges. Introduction to the basic concepts and the laws that govern it.

• Basic concepts

  Description of the basic concepts related to electricity and the movement of electrical charges.

• Types of electricity

  Electricity is due to the presence and flow of electrical charges. Depending on whether the loads are moving or not, there are two types: static and dynamic.

• Laws of electricity

  Electrical laws and theorems developed throughout history to study and understand how an electric current acts in a circuit.

• Theorems

  List of electrical theorems, the fundamental principles for analyzing and solving electrical circuits. Learn about the Superposition Theorem, Thévenin, Norton and Maximum Power Transfer, essential tools in electrical and electronic engineering.

• Electricity generation

  Electricity generation is the process of generating electricity from primary energy sources usually with the help of generators.

• Electrical circuit

  An electrical circuit is a system formed by a set of interconnected electrical elements. Find out how it works.

Thermodynamics studies the movement of heat within a physical system. This study is determined by thermodynamic principles.

• Laws of thermodynamics

  Thermodynamics is based primarily on a set of four laws that are universally valid when applied to thermodynamic systems.

• Thermodynamic systems

  A thermodynamic system is a defined macroscopic region of the universe that is studied from the principles of thermodynamics.

• Thermodynamic cycles

  A thermodynamic cycle is a circuit of thermodynamic transformations with the objective of obtaining work from two sources of heat.

• Thermodynamic processes

  A thermodynamic process is the evolution of thermodynamic magnitudes relative to a certain thermodynamic system.

• Thermodynamic properties

  A thermodynamic property is a characteristic that allows changes in a working substance. They can be classified as intensive and extensive.

• Chemical thermodynamics

  Chemical thermodynamics is the branch of thermodynamics that studies the thermal effects caused by chemical reactions, called the heat of reaction.

• History of thermodynamics

  The history of thermodynamics is a fundamental piece in the history of physics, chemistry, and science in general. Timeline of discoveries and research.

• Examples

  Description and simple explanation of different examples in which thermodynamics plays a fundamental role.

The Solar System consists of the Sun, planets, moons, asteroids, and comets. Learn about its main components and how they interact in space.

• Origin

  The solar nebula theory is the most accepted by the scientific world to explain the formation of the Solar System.

• The sun

  The Sun is the main source of energy on Earth. Characteristics and data. Internal structure. And how is the sun's energy generated?

• Solar System planets

  The solar system is made up of 8 planets divided into the inner planets and the outer planets. Brief description of each of them.

• The Earth

  Earth is the planet where we live. It is the third in the solar system and the only one that meets the necessary conditions for life.

• Moons of the Solar System

  List and description of the main moons of the planets that make up the Solar System with their most relevant characteristics.

• Distance of the Sun to the Earth

  The average distance from the Sun to the Earth is about 150 million km. However, this distance varies as it orbits the Sun.

Geometry deals with determining the dimensions, shapes, relative position of figures and their properties.

• Basic concepts

  Simple description of the basic concepts of geometry to better define geometric bodies and shapes.

• Flat shapes

  Flat shapes are geometric shapes that can be represented on a plane, that is, in two dimensions.

• Solid shapes

  Geometric bodies are three-dimensional figures that occupy a volume. They are composed of faces, edges and vertices.

• Geometry Types

  The types of geometry, from classic Euclidean geometry to advanced geometries such as differential and topological. Discover examples and applications.

Blog about solar energy. Find here interesting articles, opinions and studies that help you better understand the world of solar energy.

• Solar energy

  Discover how solar energy is transforming the world with innovations such as solar panels, heaters and energy savings. Learn about its global impact and everyday uses.

• Technology and electronics

  Explore technology and electronics from induction hobs to Stirling engines. Learn about the war of the currents and concepts such as photovoltaics.

• Science and environment

  Learn how electricity affects the environment, how power plants operate, and how clean energy can be used to protect the planet.

• Geometry and mathematics

  Discover the relevance of geometric figures and mathematics in science, technology and everyday life. Learn about basic concepts and their usefulness.

• Daily life and curiosities

  Why does the refrigerator leak water? What is wind chill? Explore curiosities and answers to everyday questions in this section.