As of: February 1, 2024, 5:30 a.m
By: Charlotte Borst
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While many homeowners already have a photovoltaic system, most of the roofs of apartment buildings are still unoccupied.
But that could change soon.
(Symbolic image).
© Marijan Murat/dpa
While many homeowners already have a photovoltaic system, most of the roofs of apartment buildings are still unoccupied.
But that could change soon.
District
- How can large apartment buildings and homeowners' associations (WEG) get solar systems on their roofs?
“We are currently receiving a lot of requests for advice on these topics,” says Tobias Sassmann from the Ebersberg-Munich energy agency.
To date, full feed-in has been the easiest way to operate a solar system in a house with several apartments.
All of the electricity from the installed PV system is fed into the public grid.
“A kilowatt hour is currently paid at around 12 to 13 cents,” says Sassmann.
However, this uncomplicated solution is “economically the least interesting in most cases,” says Sassmann.
Deliberations in the Bundestag are delayed
Another possibility is that a WEG supplies the general electricity with its jointly installed system, for example for elevator and stairwell lighting.
Even for this reason, persuasion often has to be done in a WEG so that the necessary majorities can be achieved.
It becomes even more challenging if the electricity is also to be used in the apartments.
“It gets time-consuming here,” says Sassmann, and that scares many WEGs away.
In consultations with the Energy Agency, interest quickly turns to the Federal Government's planned Solar Package I.
It was actually supposed to come into force on January 1st, but due to the Federal Constitutional Court ruling, discussions in the Bundestag were delayed.
“It is assumed that it will come into force by April 1st,” reports Sassmann from industry circles.
It will be easier for tenants
Solar systems will be easier for tenants.
Tenant power systems have so far mostly been implemented for new buildings with 25 to 30 tenants, with residents receiving the electricity produced directly from the roof at a cheaper rate.
“In the future, tenant electricity should also be able to be produced on commercial buildings and consumed locally; outbuildings, such as garage roofs, should also be used for electricity production.” Solar Package I opens up new potential for space.
To date, tenant electricity subsidies have only been permitted for solar systems on houses with a share of at least 40 percent of the living space.
Also interesting for smaller WEGs
“The new model of communal building supply that will come with Solar Package I could be groundbreaking,” says Sassmann.
In the future, roof electricity in apartment buildings can be passed on directly to the tenants or owners.
The detour of feeding the cheap roof electricity into the general power grid is no longer necessary.
The tenants or owners are still connected to the public electricity grid and buy electricity from their chosen electricity supplier if self-produced electricity is not available.
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New intelligent meters, so-called smart meters, register electricity production, feed-in and electricity consumption and assign these to the individual apartments.
As before, no party is obliged to participate; those who do not want to participate can remain 100 percent with the electricity supplier.
“This should also be very interesting for smaller WEGs,” says Sassmann.
However, many questions are still open, such as whether the meter operator will handle the billing for the tenants or owners, what intelligent meters will cost and how additional wall boxes for e-mobility can be implemented.
“I’m also excited to see how the solar industry’s offerings develop,” says Sassmann.
Fewer hurdles for balcony power plants
The use of plug-in solar devices will also become even more interesting over the course of the year: For the so-called balcony power plants, the adjustment from 600 to 800 watts is expected, the consent of the landlord or WEG is to be simplified and registration with the network operator is to be dispensed with.
Free advice
Appointments for a free initial consultation for citizens of the Munich and Ebersberg districts, Energy Agency Ebersberg-Munich: Tel. 08092/ 330 90-30, or at www.energieagentur-ebe-m.de/Beratungsanfrage