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What is Energy Efficiency?

Energy Efficiency can be defined as the optimization that can be made in the consumption of energy.
Before it is transformed into heat, cold, movement or light, energy must follow a path of transformation – sometimes longer, sometimes shorter – during which some of this energy is lost along the way, with the rest delivered to the consumer and sometimes then not duly or perfectly used in an efficient way. Energy efficiency presupposes the implementation of strategies and measures to fight waste and wastefulness along the processes of transformation: from the moment when energy is transformed and later, when it is used.

Energy efficiency is present throughout the entire process of production, distribution and use of energy, which can be divided into two phases:

Transformation
Energy exists in nature in different forms and in order to be used, it must be transformed in some way. During this transformation, part of the energy gets lost, which causes waste and damage to the Environment. Some of this loss is inevitable and is due to questions of physics, but the rest is wasted due to gaps in or a lack of optimization of systems.

This waste has been coming under increasing scrutiny by the companies which process and sell energy. In addition, since energy is vital to the running of economies, this topic has entered the political agendas of many countries which have been expressing more and more concern within the international community.

In this context, initiatives for the promotion of energy efficiency have multiplied. Companies, governments and NGOs throughout the world have been investing heavily in the improvement of processes and research in new, more efficient and environmentally-friendly energy technologies as well as in the best use of renewable energies.

Use
Energy waste is not limited to the phase of transformation or conversion; it occurs as well in the consumption stage, when we use energy.

In this phase, energy efficiency is frequently associated with the term “Using Energy Wisely,” which presupposes the adoption of measures that allow for the wisest use of energy – in our homes as well as in the service and industrial sectors.

Through the proper selection, purchase and adequate use of equipment or appliances it is possible to save energy in significant amounts, to maintain comfort and increase productivity in energy-dependent activities while noting advantages from both the economic and environmental view-point.

Whereas energy efficiency in the transformation stage depends on a limited number of factors, in this stage, it depends ON US.

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