Reasons for Solar

Self-consumption pays off

Sinking photovoltaic component prices combined with steadily rising energy costs are making self-consumption a key factor for the economic feasibility of a photovoltaic system. It is becoming more and more important for customers to be able to use as much of their own self-generated solar energy as possible.


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Optimized Self-Consumption

Self-consumption quotas can be increased by implementing simple optimization measures.

Either by changing user behavior (manual optimization):
- Scheduling the use of household appliances, such as the washing machine, drier and dishwasher, or business equipment such as air conditioners, at times when the sun produces the most energy.

Or, with specially designed technical solutions:
- Intelligent household appliance and business equipment controls;
- Appliances with time delay functions;
- Appliances and equipments which store energy themselves for automatic use at a later time. This technology should be possible in the future with new types of batteries (electricity storage) and materials (storage of heat /cold).

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The self-consumption of solar energy refers to the proportion of energy which is used directly in the building where a PV system is located. When a photovoltaic array on a building produces electricity and this electricity is used to power a washing machine, for example, this is referred to as self-consumption. It's important that the electricity needed for internal use is neither fed into nor drawn from the public grid.

Business wise self-consumption pays off twice! First of all using energy that you have generated yourself reduces the amount of energy that you need to purchase from your power company. Secondly, other benefits maybe in place in different countries:

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Natural Self-consumption

Every household or business uses energy on a daily basis. The amount of electricity used varies over the course of the day, from season to season and, of course, when the weather changes. At the same time, the energy supplied by photovoltaic systems also fluctuates over the course of a day, at different times of year and depending on the weather conditions.

Self-consumption is calculated as the ratio of directly consumed energy to generated energy. Natural self-consumption is a statistical value. It indicates the proportion of solar power generated by a photovoltaic system with a specific output that a household or business of a certain size can use without conscious changes in behavior or the use of technical components.

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