Energy efficiency

Spain is considering new rules that would make renewable electricity a central condition for large data centres connecting to the national grid.Under a draft royal decree published in August, facilities with more than 1 MW of electrical capacity would be required to ensure that at least 80% of their

Construction has started on a major renewable hydrogen project in southern Spain, with Moeve beginning work on Onuba, the first stage of the Andalusian Green Hydrogen Valley in Palos de la Frontera, Huelva.Moeve presents the development as Europe’s largest renewable hydrogen project.

Sustainable homes in Spain are climbing rapidly up buyers’ priority lists, with energy efficiency now a central part of the property conversation.

Knowing your home's energy efficiency is essential to understanding how much energy it consumes and how much you could save on your bills. This information not only affects the comfort and value of your property but is also required for real estate transactions such as sales or rentals.

The 2025 electricity picture in Spain has quietly tilted in households’ favour.

Air conditioning has become essential in many homes, especially during periods of extreme heat.

Passive houses, also known as "Passivhaus", represent a construction model that integrates energy efficiency, comfort and sustainability. While it may seem like a futuristic concept, this type of construction is already gaining traction in Spain. But what does it actually mean to live in a passive house, and what benefits does it offer?

ING has released a report highlighting the pressing need to advance the energy transition within Spain's housing market.

The new European Directive on Energy Performance in Buildings (EPBD) calls on EU member states to reform their entire property stock by 2050, by which time all buildings must be zero-emission and comply with climate neutrality.Spain presents a unique challenge, as more than 80% of its housing stock

"The house that no one dared build until now".

Residential solar panel installation has boomed in Spain in the last two years. In 2022, 2.5 gigawatts (GW) of self-consumption power was installed on more than 200,000 homes, twice as much as in 2021. Most were single-family homes, as residential installation is more complicated.

Self-supply photovoltaic systems have certain limitations, the cost being one of the chief ones, as it is inaccessible for many people. Grants are available but take a long time to be paid, usually after installation.

Architecture can sometimes be like playing Tetris, that video game where the aim is to fit a shape into a delimited space with very little room for error.

Energy Efficiency in Buildings Directive negotiations continue in Europe. What is at stake?

Passivhaus houses are the best example of how sustainability and energy efficiency can work. Moreover, Passivhaus architects do not usually overlook other elements, such as attractive design and maximum practicality.

Article written by Álvaro Vega, regional director of PlanRadar in Spain. As a sustainable alternative to the standard constructions we know as the norm today, "passive houses" are in fashion.

According to the real estate developer Aedas Homes, it has built the first housing development in Spain made with 100% post-consumer recycled aluminium together with Technal, which has already been using 75% post-consumer recycled aluminium for several years. This sustainable material, which c

The housing construction sector in Spain is becoming increasingly sustainable and efficient, offering more and more examples of designs and buildings that seek to apply zero carbon or carbon neutral and highly efficient construction measures.

Solar energy has experienced a boom in Spain in recent years, so much so that the government has been forced to regulate self-consumption grids.

All owners who want to sell or rent their property in Spain (which was built before 2007) must have have an Energy Performance Certificate (EPC) in compliance with the royal decree 235/2013, of 5th April.

Most of the time, when we think of comfort in the home, we immediately associate this idea in our minds with a soft sofa, large and comfortable beds, spacious rooms, a well-equipped kitchen, etc.

The Spanish Government has approved a first set of energy saving and efficiency measures that are now in place and must be obeyed across the country.

Madrid City Council, through the Delegate Housing Department, has decided to make a clear commitment to restoration; to transform and improve the residential fabric of the Spanish capital.

Rising electricity costs: you might be sick of hearing about them by now, but the world's energy crisis might have something of a silver lining.

Article written by Juan Cabrerizo, SATE specialist and thermal insulation expert at Propamsa  The prices that electricity has reached in recent times have put many Spanish households on the ropes, as they have had to face record highs in their bills. In addition, forecasts indic