Abstract
An analysis of the energy use in the Mexican residential sector is carried out. To achieve this, two approaches are taken into account. The first one is the usage of low-energy devices, and the second one is the decrease of their time of use. These two approaches are considered in the calculation method with random values of power and time of usage. The energy activities are divided into air-conditioning, illumination & appliances, and refrigeration. After total annual use is validated with the actual values of energy use in 2015, a sensitivity analysis of the approaches used separately and together is carried out in order to determine the potential of energy saving. Thereby, it is found that the most influential parameter for energy saving is the extensive acquisition of more efficient technologies of illumination & appliances, followed by the decrease of use of the same illumination & appliances. Furthermore, with an integrated approach that takes into account both the use of efficient devices and the reduction of their use for the three energy activities, a maximum of 19.67 TWh is calculated in 2015 for the Mexican residential sector. This approach is therefore expected to have a reliable basis for the development and improvement of policies that help to drive energy savings in an extensive manner in Mexico.
Highlights
The energy transition process is a global action to counter climate change [1] that involves the switch from fossil-fuel-based electricity to renewable sources, the use of low-carbon technologies in sectors such as transport and industry, and the application of more energy-efficient processes, among other strategies [2]
According to the Intergovernmental Panel on Climate Change (IPCC), the building sector is an important target for addressing climate change because it accounts for almost
Runs of the program were carried out in order to find the correspondent total annual electricity use (TAEC), considering 200 as a sufficient number of executions to analyze the variance of energy use without overloading the number of outputs
Summary
The energy transition process is a global action to counter climate change [1] that involves the switch from fossil-fuel-based electricity to renewable sources, the use of low-carbon technologies in sectors such as transport and industry, and the application of more energy-efficient processes, among other strategies [2]. Thereby, in the building sector various approaches have been applied in order to fulfill the different international protocols and agreements combating climate change such as Kyoto, Cancun and Paris [4] Among these approaches there are the use of on-site renewable energy, codes for the building design, and the development of passive cooling/heating systems [3]. Of these approaches, one of the most important is the regarding the behavior of the occupants in terms of the handling of HVAC&R (heating, ventilation, air-conditioning and refrigeration), illumination and appliances. Similar results have been found in electrical and gas appliances [6], claiming that an incorrect operation can represent up to 30% of energy waste [7]
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