Where I can sell solar energy
After the feed-in tariff: market photovoltaic electricity directly
According to the Federal Association of the Solar Industry, a good 10,000 photovoltaic systems will fall from EEG funding in 2021. The remuneration for a total of more than one million solar systems will expire by 2033. A massive dismantling of the climate-friendly power generation systems would not only be a loss for the operators, but also ecological nonsense, according to Franz Pöter from the Solar Cluster Baden-Württemberg. Especially since solar power modules have a lifespan of 30 years or even more. Marketing photovoltaic electricity directly could be an option.
Switch to self-consumption and increase it
In the case of smaller rooftop solar systems, whose power generation is of a similar order of magnitude as the power consumption of the residents, it is usually worthwhile to continue operating. "Affected homeowners should first of all use the solar power themselves," advises Franz Pöter. This usually only requires a small modification to the meter cabinet. Electricity is constantly required in residential buildings, for example for refrigerators and other electrical devices.
The solar system can often cover this consumption during the day. "Depending on the size of the system and the power consumption, around 20 to 30 percent of the solar power can typically be used very easily," says Pöter. "If you want to increase the proportion, you can also shift the electricity consumption of the dishwasher or washing machine to lunchtime." You can use 30 to 40 percent of the solar electricity yourself. Many inverters and their evaluation platforms also use an app to indicate when excess electricity can be expected from the solar system and when larger electricity consumers can be switched on in the house. Self-consumption can be further increased with battery storage systems. Shares of up to 70 percent are then possible.
Sell the remaining amount of the electricity generated
If you don't use it yourself with a battery, system owners can market their photovoltaic electricity directly. So far, such models have only been available for systems with a line over 30 or even 60 kW. But that has changed in the meantime: there are already the first providers for small system operators. Various start-ups as well as established energy providers aim to convey the electricity generated from the roof of the house between the producer and the consumer.
EnBW Energie Baden-Württemberg, for example, makes this possible with its digital platform, which it describes as a “virtual power plant”. Owners of photovoltaic systems can use it to market their electricity directly on the energy exchange. Homeowners can take advantage of the service and market their photovoltaic electricity directly from an output of one kilowatt. EnBW can use its so-called “virtual power plant” to forecast the generation of its customers and sell the energy generated - even with partial self-consumption. The remuneration is at the level of the electricity exchange price, currently around five cents per kilowatt hour, minus a fee.
Here on the solar server, homeowners can calculate whether it is worthwhile to market their photovoltaic electricity directly.
December 16, 2019 | Source: Solar Cluster Baden-Württemberg | solarserver.de © EEM Energy & Environment Media GmbH
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