Study of reflection glare in solar plants

It is clear that photovoltaic solar plants are, today, completely necessary to address climate change. It is our goal to make sure that these solar plants have the least possible impact on the environment. For this reason, we have given a twist to our environmental impact studiesl. In addition to our analyses of the effect on fauna, flora or landscape from the point of visual intrusion,... we now address studies of reflection glare in photovoltaic solar plants (or solar thermal plants and even buildings)

We know that photovoltaic solar plants can generate glare due to optical reflections. These reflexes can affect road safety, air safety, or even be a constant nuisance for neighboring towns. Sometimes, it has been the subject of litigation and requests for the dismantling of solar plants in some countries. The glare of photovoltaic solar plants therefore requires a location-based evaluation to limit possible reflections.

Contents of a glare study

To calculate the glare of photovoltaic solar plants, we use specialized software to calculate the path of sunlight. In this way, the risk of glare of the solar plant is evaluated. First, the glare time diagram is calculated. It shows us the distribution of potential glare over the year and the day. It shows when and for how long the glare will be present.

Then, the trace or imprint of reflection of sunlight, that is, the path of the solar ray, is also studied.

The calculation of the duration of an obvious hazard (duration of glare due to direct reflection or scattered light) is also relevant in this type of glare study of solar plants.

And finally, the solar glare danger zone. It shows us the potential impact of a dazzling hazard on the human eye.

Sun glare correction measures

Small changes in the azimuth and inclination angles of areas occupied by photovoltaic trackers can reduce or completely avoid glare at certain points. Likewise, the installation of plant screens and a thorough study of the topography of solar installations can be interesting preventive measures against glare. We must not forget glare calculations to quantify the potential hazard and provide an objective basis for risk assessment.

At Ideas MedioAmbiental we carry out glare studies of photovoltaic solar plants and other installations such as solar thermal plants or buildings, which may pose a danger to road safety or area, or inconvenience to nearby towns.