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Solar obligation is now also planned in Lower Saxony and Wilhelmshaven, Cuxhaven and Emden! Also for parking spaces or car parking spaces


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Published on: March 28, 2021 / update from: September 6, 2022 - Author: Konrad Wolfenstein

On November 9th, the Lower Saxony state parliament decided on a solar obligation in the amendment to the Lower Saxony building regulations (NBauO). The solar obligation is specified in §32a.

The solar obligation applies to those buildings that have a roof area of ​​at least 50 m² and at least 50% of the roof area should be covered with photovoltaics/solar.

The solar obligation is coming in Lower Saxony - Image: Dziajda & Fit Ztudio|Shutterstock.com

The solar obligation is coming in Lower Saxony – Image: Dziajda & Fit Ztudio|Shutterstock.com

The gradual introduction of compulsory solar energy in Lower Saxony

  • From January 1, 2023, the solar obligation applies to new buildings with predominantly commercial use
  • From January 1, 2025 for new residential buildings
  • From January 1st, 2024 for all other new buildings
  • The draft law does not provide for a solar obligation for renovations
  • From January 1, 2023, when an open parking lot or parking deck is constructed with more than 50 parking spaces for motor vehicles. Parking spaces that are located directly along public roads and that are dedicated to public transport are exempt from the obligation.

The path to compulsory solar energy in Lower Saxony

Lower Saxony is the second largest federal state by area. But it is three times behind the first-placed state of Bavaria with an installed solar output of 3,930 megawatt peak (MWp). In comparison: Bavaria stands at 12,545 MWp. Even the smaller federal states of Baden-Württemberg and North Rhine-Westphalia are ahead of Lower Saxony.

Area of ​​the German federal states in square kilometers - Image: Xpert.Digital
Area of ​​the German federal states in square kilometers – Image: Xpert.Digital
Installed capacity of photovoltaic systems in Germany by federal state - Image: Xpert.Digital
Installed output of photovoltaic systems in Germany by federal state - Image: Xpert.Digital

The solar obligation is intended to bring about the energy transition in Lower Saxony. On March 23, 2021, Olaf Lies, Lower Saxony's Minister for the Environment, Energy, Building and Climate Protection, announced the latest information and direction for the solar requirement.

The important seaports of Emden, Cuxhaven and Wilhelmshaven in Lower Saxony are also affected.

Background to the solar obligation

With almost 4 gigawatts (GW), Lower Saxony is far behind the required 65 GW that the country needs to achieve a net supply of renewable energy by 2040. That means there are still almost 94% missing!

How does Lower Saxony want to achieve the goals with the solar obligation?

Olaf Liel

Lies Olaf (2012) , Provided by Olaf Lies, CC BY-SA 3.0

  • 50 gigawatts of commercial buildings are to be built on the roofs of houses.
  • New buildings, with predominantly commercial use and a roof area of ​​at least 75 square meters.
  • Future planning of new buildings must take the statics and safety of a solar system into account. The same applies to the construction of new residential buildings. A possible subsequent construction of a solar system must be taken into account.
  • At least 50% of the roof area should be used for a solar system.
  • In exceptional cases the obligation does not apply.

We need an ambitious expansion of photovoltaics, says Environment Minister Lies. He sees the crucial point for success in the expansion of the commercial roofs. “Climate protection is one of the central challenges of our time. There is not much time left to prevent irreversible tilting points in the climate system and thus avoid dramatic consequences for people and the environment, ”adds Lies.

Lower Saxony state parliament decides on implementation

In its 89th session on November 10th, 2020, the Lower Saxony state parliament decided: Go to the roofs for the climate! Make the energy transition decentralized and use solar power

The decision, among other things, says: “Solar energy has a broad support among the population, because the production of solar energy on the existing roof area has unbeatable advantages. When using existing roof areas for energy generation, additional space consumption is avoided. Electricity and heat energy can be generated and used decentrally and consumer. The costs of solar thermal and photovoltaic modules have dropped significantly in recent years. The electricity obtained can be used to operate heat pumps for heating or cooling purposes. Electrical vehicles can be loaded environmentally friendly using the corresponding memory modules, through which solar power obtained. In combination with battery and heat storage, the self-consumption of the solar energy generated becomes much more efficient and flexible. As a result, network bottlenecks or feed -in tips can be buffered as a result of coding surpluses. The state parliament welcomes the advisory services of the Lower Saxony climate protection and energy agency such as the 'Solar-Check', which advises homeowners on the possibilities of using solar energy, storage options and the optimization of self-consumption. ”

What are the main points in this decision?

Lower Saxony state parliament resolution of November 10, 2020 PDF download

Lower Saxony state parliament resolution of November 10, 2020 PDF download

  • To create incentives for the use of solar energy in both new and existing buildings.
  • To launch an attractive solar storage funding program for municipalities and private individuals.
  • To change the Lower Saxony building law so that the construction and use of photovoltaic systems becomes mandatory when building large roof areas of commercial halls.
  • When reorganizing the state spatial planning program, the framework conditions must be created so that suitable areas can be used for open-space solar (free-field systems, open-space systems, solar parks) or agricultural solar; agriculturally unused areas and border locations are to be preferred.
  • To provide information material about financing models and the tax treatment of solar projects, for example by developing a handout on leasing models for investors.
  • In addition, the state parliament is asking the state government to work at the federal level to abolish the EEG levy on self-used electricity from solar systems.
  • Abolish the obligation to tender for rooftop solar.

Decision on a program of measures worth over 1 billion euros

On November 25, 2020, the Lower Saxony state government decided on a comprehensive program of measures for climate protection with a financial volume of over 1 billion euros.

“The measures program adopted today is the largest investment program for climate protection in Lower Saxony. From Lower Saxony, we make our contribution to the national and international climate protection goals. At the same time, with the funding focuses, we set important impulses for the Lower Saxony economy. We want to show that climate protection can also be the engine for growth and innovation, ”emphasizes Environment Minister Olaf Lies:“ Lower Saxony is energy country No. 1 in Germany, Lower Saxony wants to be climate protection land no. 1. For this we make a central contribution to this Lower Saxony climate path with the program adopted today ”.

Renewable energy offensive: A comprehensive funding program for battery storage is intended to massively promote the expansion of solar technology in Lower Saxony. At the same time, the framework conditions for the expansion of renewable energies in Lower Saxony are to be improved by reducing regulatory barriers and a PV requirement on commercial roofs is to be introduced.

When does the solar obligation come into force in Lower Saxony?

Now on Tuesday, the state government approved a bill to amend the Lower Saxony building regulations presented by Construction and Energy Minister Olaf Lies. She released the draft for association participation. With the planned changes to the Lower Saxony building regulations, a further simplification of the building permit process will also be implemented.

If all goes well, the law should come into force on January 1, 2022. This would also apply to the seaports in Emden, Cuxhaven and Wilhelmshaven.

🢂 We will keep you updated here about further developments in Lower Saxony!

With Xpert.Solar we offer consulting services for companies that are planning a solar system for a flat or pitched roof - even without roof penetration!

 

Warehouses, production halls and industrial halls with their own power source from a photovoltaic roof system
Warehouses, production halls and industrial halls with their own power source from a photovoltaic roof system - Image: NavinTar|Shutterstock.com
Industrial plant with its own power source from an outdoor photovoltaic system
Industrial plant with its own power source from an outdoor photovoltaic system - Image: Peteri|Shutterstock.com

Solar systems with photovoltaic solutions for freight forwarding and contract logistics - Image: Petinov Sergey Mihilovich|Shutterstock.com
Plan solar systems with photovoltaic solutions for freight forwarding and contract logistics
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