NZEB and Photovoltaics in Kosovo. Grid connected PV plants with storage system vs. PV plants without storage

Session

Energy Efficiency Engineering

Description

Considering the increase of global warming and the contribution of energy sources, the minimization of energy consumption in residential buildings, including electrical loads and heating system, is a critical issue. Buildings are at the forefront of this issue due to their high energy consumption. Integrating renewable energy systems into buildings has become a common practice. Net-zero energy building design promotes the energy transition from fossil fuel-based technologies by coupling renewable systems such as photovoltaic (PV) plants with heat pumps for heating and cooling. In other words, the net energy received from the grid is zero over a year. This work aims to align a ZEB under construction in Italy, in the regulatory, climatic, and technological context of Kosovo.

Two types of these buildings can be supposed, which can be grid-connected or non-grid-connected. In those that are not connected to the grid, an energy storage system should be installed so that when there is no generation at peak hours, the stored energy is used to supply electrical loads on demand. So, this type of building must be equipped with a system of batteries that help its operation. Thus, more and more, in the future, these types of buildings will be present, which will help preserve the environment, as well as reduce carbon emissions. In this context, the exact size of PV plants plays a central role in the perspective of determining self-consumption schemes. The design objective concerns the minimization of exported and imported energy through an optimized size of the PV plant and the integration of electrochemical energy storage.

Keywords:

Photovoltaics, NZEB, Storage Systems, Sustainable Economy, Energy Independence, Renewable Energy.

Proceedings Editor

Edmond Hajrizi

ISBN

978-9951-550-50-5

Location

UBT Kampus, Lipjan

Start Date

29-10-2022 12:00 AM

End Date

30-10-2022 12:00 AM

DOI

10.33107/ubt-ic.2022.135

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Oct 29th, 12:00 AM Oct 30th, 12:00 AM

NZEB and Photovoltaics in Kosovo. Grid connected PV plants with storage system vs. PV plants without storage

UBT Kampus, Lipjan

Considering the increase of global warming and the contribution of energy sources, the minimization of energy consumption in residential buildings, including electrical loads and heating system, is a critical issue. Buildings are at the forefront of this issue due to their high energy consumption. Integrating renewable energy systems into buildings has become a common practice. Net-zero energy building design promotes the energy transition from fossil fuel-based technologies by coupling renewable systems such as photovoltaic (PV) plants with heat pumps for heating and cooling. In other words, the net energy received from the grid is zero over a year. This work aims to align a ZEB under construction in Italy, in the regulatory, climatic, and technological context of Kosovo.

Two types of these buildings can be supposed, which can be grid-connected or non-grid-connected. In those that are not connected to the grid, an energy storage system should be installed so that when there is no generation at peak hours, the stored energy is used to supply electrical loads on demand. So, this type of building must be equipped with a system of batteries that help its operation. Thus, more and more, in the future, these types of buildings will be present, which will help preserve the environment, as well as reduce carbon emissions. In this context, the exact size of PV plants plays a central role in the perspective of determining self-consumption schemes. The design objective concerns the minimization of exported and imported energy through an optimized size of the PV plant and the integration of electrochemical energy storage.