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District of Miesbach: This is how it works with your own PV system

2022-09-08T14:12:52.223Z


District of Miesbach: This is how it works with your own PV system Created: 08/09/2022, 16:00 By: Sebastian Tauchnitz Construction boom on the roofs: Currently, the specialist companies can hardly save themselves from sheer orders for the installation of photovoltaic systems. However, there are a few things to consider beforehand, during construction and afterwards. © HANS-HELMUT HEROLD Specia


District of Miesbach: This is how it works with your own PV system

Created: 08/09/2022, 16:00

By: Sebastian Tauchnitz

Construction boom on the roofs: Currently, the specialist companies can hardly save themselves from sheer orders for the installation of photovoltaic systems.

However, there are a few things to consider beforehand, during construction and afterwards.

© HANS-HELMUT HEROLD

Specialist companies are overwhelmed with inquiries about photovoltaic systems.

In cooperation with the Oberland energy transition, we answer the most important questions.

District – Not only the gas and oil prices, but also the costs for electricity have been going through the roof for months.

An improvement is not in sight.

What could be more obvious than simply generating as much electricity as possible yourself and not buying it expensively?

No wonder the business with PV systems is booming.

The need to catch up is immense, says Andreas Scharli, energy manager at the Oberland energy transition.

This is due to the fact that the expansion of renewable energies was politically sabotaged a good ten years ago by the federal government led by the Union.

The feed-in tariff was radically cut, and as a result the German solar industry, which was competitive at the time, largely collapsed.

Also read:

Energy transition in the district of Miesbach: "Considerable pent-up demand" - rethinking in the town halls

Now, however, after the outbreak of the Ukraine war, the focus is on security of supply with electricity.

And what was missed for years is now being made up for, says Scharli.

The Oberland energy transition operates a total of eight stations with independent energy consultants in cooperation with the consumer advice center in its area of ​​responsibility, which includes the districts of Bad Tölz-Wolfratshausen, Miesbach and Garmisch-Partenkirchen in addition to the district of Weilheim-Schongau.

"We already had to decide in May that we would no longer offer on-site appointments," reports Scharli.

The need for advice is simply too great, which is why you can be reached by phone or email.

However, many questions could already be clarified in advance.

Andreas Scharli, Energy Manager at Energiewende Oberland, answers countless inquiries every day.

© SET

More on the topic:

Miesbach city council is looking for energy-saving options

For whom is a PV system on the roof worthwhile?

"The classic system on the roof of your own house is suitable for almost everyone," says the expert Scharli.

In the past, it was often advised to only equip south-facing roofs with solar modules.

That was also correct at times when only electricity was fed into the grid, because the modules can then produce their maximum output at midday.

But now it's all about taking care of yourself.

And an east-west orientation of the roof is not so wrong either.

Because you can then produce solar power two hours longer per day, although not quite as much.

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Should I build with or without battery storage?

Scharli has a very clear opinion: "Battery storage does not make sense for most." The storage is currently immensely expensive, hardly available and uneconomical.

"Many people want to start off with the jack of all trades and take care of themselves as completely as possible," he says.

But that is unnecessarily expensive.

Although many companies would recommend installing the storage system, “they also want to make sales”.

It makes more sense to use the self-generated electricity as much as possible.

"Nearly every washing machine, every dryer and every dishwasher can now be programmed to switch on at lunchtime, when the PV system is producing the most electricity," says the energy manager.

In winter, when the PV system hardly produces any electricity, the battery storage cannot be charged either.

"Then you have to buy electricity anyway."

Scharli focuses more on the future.

There are still only a few electric cars that are capable of so-called bidirectional charging.

In the future, however, this technology should be installed in almost all electric vehicles.

Then you use the (compared to the battery storage) huge battery of the car as a buffer storage for the house.

If a lot of electricity is generated, the car is charged, if it is dark in the evening, electricity is tapped from there.

How do I prepare ideally?

Every district has a solar register in which every single house is recorded.

The one for the district of Weilheim-Schongau can be found at www.solare-stadt.de/kreis-miesbach.

Here you can see exactly how well your own roof is suitable for a PV system.

If you click on your own house, a computer pops up.

You can enter your current annual electricity consumption (it's on the bill) and state whether you want to charge an e-car or not.

The program then calculates how many modules you need to put on the roof, indicates the probable degree of self-sufficiency and lots of other information.

Then you can get offers.

What is a good offer?

There are numerous providers on the market.

Scharli advises to first inquire at established craft companies in the region.

"They have a good reputation to lose and are usually reputable and reliable," he says.

You can't always say that about the large, supra-regional companies: "They then like to talk people into technology they don't need at all and ask for prices that are far above the market level," says Scharli.

Once you have the offers, "it's the perfect time to call us," says the energy manager from Energiewende Oberland.

"We don't have any systems or fitters in the basement, but we offer market-neutral advice," he promises.

What I mean is that the experts look at the offer and advise interested parties on whether it makes sense and is financially okay.

Then can,

What happens when the plant is finished?

Once everything is installed, you can usually not start right away.

First of all, the system must be registered with all the details with the network operator and also with the Federal Network Agency - no later than one month after commissioning.

Only when this has been done is there a feed-in tariff for the electricity that you do not use yourself but feed into the grid.

For all systems that are added in the future, there are 8.2 cents per kilowatt hour.

As a rule, the commissioned companies would register the system, says Scharli.

From time to time, however, this is also pushed onto the customer's eye.

Even if that's done, you have to be patient at the moment.

Because the PV system may only be put into operation when a new, digital meter has been installed by the grid operator, explains the expert.

The digital meter shows separately how much has been fed into the grid and how much has been drawn from it.

Due to the PV boom, the installation of the new meter can currently lead to waiting times of weeks, sometimes months.

"The suppliers can't keep up," says Scharli.

Anyone who wants to be clever now and agree on the meter replacement in advance is out of luck: "You can only apply for this when the system is ready." The energy manager admits that it's all pretty complicated - and the bureaucratic hurdles are even higher .

Because in the end there is also the question of whether you want to register a trade for your system or not.

What do I have to declare for the tax?

Even when it comes to self-produced electricity, the state holds out a hand.

"In the past, there was no way around registering a business for the PV system," says Scharli.

After all, income is generated through the feed-in tariff.

Thank goodness that is no longer the case today.

All systems with an output of up to 10 kilowatts/peak – including almost all of them on the roofs of single-family homes – could be declared to the tax office as a “lover’s item”.

Then you only have to state the income from the feed-in tariff as additional income in the tax return.

Depending on the income situation, it would have to be checked whether it makes sense to register as a business.

No matter how you decide, operating a PV system can make a valuable contribution to climate protection, and for most operators it also has a sporting character to use as much self-generated electricity as possible from your own roof".

In view of the constantly rising electricity prices, this is not only good for the environment, but also for your own wallet.

Source: merkur

All news articles on 2022-09-08

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