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News
Current news from the energy market, events, and the company — all about industrial battery storage systems and photovoltaics.
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MiSpeL regulation decided: What battery storage systems in industry and commerce are now allowed
Boundary option, lump-sum option, deadlines and special cases: What the new storage regulation of the Federal Network Agency for Industry, Commerce and Co-Location means.
1 MWp photovoltaic system for Purem by Eberspächer in Rakovník
CUBE CONCEPTS is implementing a 1 MWp photovoltaic system for Purem by Eberspächer in Rakovník. The system generates around 970,000 kWh of solar electricity per year and achieves an average self-consumption rate of about 87 percent.
Battery storage for industry: Why the groundwork is being laid now
At the Working Group on Rational Energy Use at PUREM in Neunkirchen, CUBE CONCEPTS demonstrated the opportunities that battery storage offers for industrial sites. The focus was on grid fees, deadlines, and important decisions until early 2027.
FID for battery storage: The AgNes deadline for net charging fee exemption
The planned AgNes reform sets a strict FID deadline and specific verification criteria. The article shows which orders and contractual obligations are required for this, which deadlines apply and which questions remain open.
Autumn Exchange 2026: When Kaarst, Palma & Prague sit down at the same table
Three locations, one team: At Autumn Exchange 2026, the teams from Kaarst, Palma and Prague came together to share knowledge, sharpen goals and set a common course. Three days of exchange, expertise, teamwork and shared perspectives.
Study: Solar Power Reduced Electricity Prices by 20.8 % in 2025
Photovoltaics not only reduce CO₂ emissions, but also electricity prices. A recent enervis study shows the economic value solar power had for the German electricity market in 2025 – and why storage systems can further amplify this effect in the future.
AgNes Deadlines 2027/2029: What applies to battery storage systems now
The time pressure is mounting: investment decisions, proof of implementation, and grid connection must be completed by 2027 and 2029, respectively, in order to secure the 20-year grid fee exemption. Our overview shows why the grid connection in particular is becoming the critical bottleneck – and how Flexible Connection Agreements (FCAs) can help.
CUBE CONCEPTS is growing: Five new employees strengthen the team in Kaarst
We are continuing our growth trajectory and selectively expanding our capabilities. As of September 1, 2026, five new employees started at the headquarters in Kaarst – including three in-house legal counsels who are restructuring and significantly strengthening the energy company's legal department.
Maturity assessment process for BESS projects reaches distribution grids
With Netze BW, for the first time a major distribution system operator is introducing a points-based allocation procedure for grid connections of 950 kW and above. For project developers, this means that land, permits, and technical planning must be reliably in place in good time – the first application window opens as early as November 2026.
EEG 2027 & Grid Package: Cabinet Decision on the Refinancing Contribution (CfD) at a Glance
As of August 12, 2026 | This article is based on the cabinet decision on the Renewable Energy Sources Act (EEG 2027) and the grid package dated July 29, 2026. The legislative process has not yet been completed; details are subject to change in the further course of the procedure.
AgNes Draft Determination 2026: The Network Fee Reform from 2029 at a Glance
Things are getting serious for battery storage systems: The draft AgNes regulation provides for new capacity fees – while at the same time the clock is ticking for the 20-year exemption. Anyone planning a new storage system will likely have to make the final investment decision before January 1, 2027.
Water scarcity in Europe: Why this causes problems for energy supply
Low river levels in Europe are forcing several nuclear power plants to shut down for the first time and are also putting coal, gas, and hydroelectric power plants under pressure. Our overview shows why the climate crisis is increasingly becoming a challenge for energy supply and what role battery storage systems will play in the future.
MiSpeL 2026: Regulation enters into force on October 1st and what does that mean for BESS projects?
MiSpeL is considered one of the most important regulatory advances for storage in Germany. In practice, it is now crucial when the new rules will come into effect and be usable.
MiSpeL regulation decided: What battery storage systems in industry and commerce are now allowed
Boundary option, lump-sum option, deadlines and special cases: What the new storage regulation of the Federal Network Agency for Industry, Commerce and Co-Location means.
FID for battery storage: The AgNes deadline for net charging fee exemption
The planned AgNes reform sets a strict FID deadline and specific verification criteria. The article shows which orders and contractual obligations are required for this, which deadlines apply and which questions remain open.
Study: Solar Power Reduced Electricity Prices by 20.8 % in 2025
Photovoltaics not only reduce CO₂ emissions, but also electricity prices. A recent enervis study shows the economic value solar power had for the German electricity market in 2025 – and why storage systems can further amplify this effect in the future.
AgNes Deadlines 2027/2029: What applies to battery storage systems now
The time pressure is mounting: investment decisions, proof of implementation, and grid connection must be completed by 2027 and 2029, respectively, in order to secure the 20-year grid fee exemption. Our overview shows why the grid connection in particular is becoming the critical bottleneck – and how Flexible Connection Agreements (FCAs) can help.
Maturity assessment process for BESS projects reaches distribution grids
With Netze BW, for the first time a major distribution system operator is introducing a points-based allocation procedure for grid connections of 950 kW and above. For project developers, this means that land, permits, and technical planning must be reliably in place in good time – the first application window opens as early as November 2026.
EEG 2027 & Grid Package: Cabinet Decision on the Refinancing Contribution (CfD) at a Glance
As of August 12, 2026 | This article is based on the cabinet decision on the Renewable Energy Sources Act (EEG 2027) and the grid package dated July 29, 2026. The legislative process has not yet been completed; details are subject to change in the further course of the procedure.
AgNes Draft Determination 2026: The Network Fee Reform from 2029 at a Glance
Things are getting serious for battery storage systems: The draft AgNes regulation provides for new capacity fees – while at the same time the clock is ticking for the 20-year exemption. Anyone planning a new storage system will likely have to make the final investment decision before January 1, 2027.
Water scarcity in Europe: Why this causes problems for energy supply
Low river levels in Europe are forcing several nuclear power plants to shut down for the first time and are also putting coal, gas, and hydroelectric power plants under pressure. Our overview shows why the climate crisis is increasingly becoming a challenge for energy supply and what role battery storage systems will play in the future.
MiSpeL 2026: Regulation enters into force on October 1st and what does that mean for BESS projects?
MiSpeL is considered one of the most important regulatory advances for storage in Germany. In practice, it is now crucial when the new rules will come into effect and be usable.
Solar power saved EU gas imports worth €20 billion & could cut demand by a quarter by 2030
Since the escalation of the Iran conflict alone, solar power has notionally saved the EU 20 billion euros in gas imports. Further expansion could reduce the EU's gas demand by another 25 percent by 2030.
Energy Sharing in Germany: Status of Implementation under Section 42c EnWG (2026)
Grid operators are supposed to enable it starting in June 2026 – yet the major breakthrough is still a long time coming. Our overview shows what hurdles exist, why full grid fees hamper profitability, and for whom the model can still be worthwhile.
EU Commission presents ETS reform: More free certificates, slower falling cap
The European Commission wants to noticeably weaken emissions trading from 2031: more free allowances, a relaxed market stability reserve, and new ETS sectors could have a lasting impact on the CO₂ market.
1 MWp photovoltaic system for Purem by Eberspächer in Rakovník
CUBE CONCEPTS is implementing a 1 MWp photovoltaic system for Purem by Eberspächer in Rakovník. The system generates around 970,000 kWh of solar electricity per year and achieves an average self-consumption rate of about 87 percent.
Battery storage for industry: Why the groundwork is being laid now
At the Working Group on Rational Energy Use at PUREM in Neunkirchen, CUBE CONCEPTS demonstrated the opportunities that battery storage offers for industrial sites. The focus was on grid fees, deadlines, and important decisions until early 2027.
Autumn Exchange 2026: When Kaarst, Palma & Prague sit down at the same table
Three locations, one team: At Autumn Exchange 2026, the teams from Kaarst, Palma and Prague came together to share knowledge, sharpen goals and set a common course. Three days of exchange, expertise, teamwork and shared perspectives.
CUBE CONCEPTS is growing: Five new employees strengthen the team in Kaarst
We are continuing our growth trajectory and selectively expanding our capabilities. As of September 1, 2026, five new employees started at the headquarters in Kaarst – including three in-house legal counsels who are restructuring and significantly strengthening the energy company's legal department.
Going green: CUBE CONCEPTS converts corporate fleet to e-mobility
At CUBE CONCEPTS, sustainability is more than just a business model—it starts right on our own doorstep. That’s why we’ve
Sales Meeting in Kaarst: Two Days, One Team, One Direction
Our sales meeting in Kaarst showed what makes a strong team: genuine dialogue, direct insights, and two intense days that brought us closer together. From the beer garden to the strategy meeting—Palma meets the Rhineland, and both sides are returning stronger than ever.
Cube Concepts acquires 100 MW battery storage in Tušimice — Power Cube is launched
Together with Powerlink: the most powerful power network in the industry: Within a few weeks we have installed 100 MW of battery storage capacity (200 MWh) in
Secured €60 million senior debt facility with LCM Partners
First drawdown completed on schedule — Capital framework for our PV and BESS pipeline in Germany We have a senior debt facility of 60 million
Careers for Sales Professionals: While others complain about the shortage of skilled workers, we're scaling!
Four new A-players for our sales team as setters and closers in Palma de Mallorca. And we're just getting started.
Project Management in Practice: CUBE CONCEPTS on Energy Projects at Niederrhein University of Applied Sciences
At Hochschule Niederrhein, we provided practical project management for complex energy and PV infrastructure. The course offered students ideal preparation for the GPM basic certification and the real challenges of the energy transition.
BVMW Annual Reception 2026: Why Freedom Means Responsibility
The BVMW annual reception in Cologne provided valuable impetus on competitiveness, red tape reduction, and technological sovereignty. CUBE CONCEPTS used the top-class event to deepen the dialogue on the responsibility of small and medium-sized enterprises (SMEs) in the current energy transition.
100 MW battery storage secured in the Czech Republic's largest storage park — Ready to Build, construction start Summer 2026
Standalone BESS with a 400 kV direct connection to ČEPS — a constellation that is rare in Central Europe. We have secured exclusivity for the
1 MWp photovoltaic system for Purem by Eberspächer in Rakovník
CUBE CONCEPTS is implementing a 1 MWp photovoltaic system for Purem by Eberspächer in Rakovník. The system generates around 970,000 kWh of solar electricity per year and achieves an average self-consumption rate of about 87 percent.
Battery storage for industry: Why the groundwork is being laid now
At the Working Group on Rational Energy Use at PUREM in Neunkirchen, CUBE CONCEPTS demonstrated the opportunities that battery storage offers for industrial sites. The focus was on grid fees, deadlines, and important decisions until early 2027.
Cube Concepts acquires 100 MW battery storage in Tušimice — Power Cube is launched
Together with Powerlink: the most powerful power network in the industry: Within a few weeks we have installed 100 MW of battery storage capacity (200 MWh) in
With BESS for CO₂ Neutrality: Thermal Management Solutions Plans Step 3
By deploying a BESS in the Contracting system, TMS aims to optimize its energy flows without incurring any investment risk. The storage solution enables efficient peak load shaving and maximizes self-consumption of PV power, thereby laying the technological foundation for climate-neutral and economically predictable production at the site.
Contract signing in the Czech Republic: 1 MWp PV system for Purem Rakovník
CUBE CONCEPTS is building a 1-MWp rooftop solar system for Purem Rakovník in the Czech Republic. With over 2,400 modules, the system generates approximately 970,000 kWh of green electricity annually, covers 87% of the site’s energy needs, and reduces CO₂ emissions by nearly 500 tons per year.
New Project Marketing: CUBE CONCEPTS Celebrates PV Success with TMS
Successful grid connection at TMS: The 3,500 m² facility strengthens climate protection and the location's competitiveness. Through targeted media relations and inauguration events, CUBE CONCEPTS transforms technical projects into strategic communication successes that go beyond pure power generation.
Green electricity for Thermal Management Solutions DE Oberboihingen GmbH
Thermal Management Solutions (Brand „Wahler“) has inaugurated a PV system with 986 modules covering a roof area of 5,800 m² in Oberboihingen. The project is the final component for the site's climate-neutral production, which was certified in July 2025, and strengthens independence from electricity prices.
SCHÄFER Werke with the largest solar farm in the Siegen-Wittgenstein district
In collaboration with CUBE CONCEPTS, SCHÄFER WERKE has completed a flagship eco-friendly project: The building’s substructure is made of low-carbon steel, while the 11,500-square-meter site also serves as a valuable habitat for biodiversity. With a self-consumption rate of 68%, the company is strengthening its energy resilience.
More sustainability with 1.9 MWp: Purem by Eberspächer uses solar power
The new large-scale photovoltaic system covers a significant portion of the exhaust system production's self-consumption and strengthens the Eberspächer Group's global footprint. By collaborating with CUBE CONCEPTS, the company consistently continues its path toward sustainable energy supply and reduces emissions directly at the source.
Ground-breaking ceremony for the SCHÄFER WERKE Group's 2 MWp solar park
Forward-thinking investment on the Pfannenberg: The new SCHÄFER WERKE solar park combines ecological enhancement through grazing with a significant increase in entrepreneurial energy self-sufficiency. Learn more about this flagship project, which unites industrial efficiency and species protection on an area of over 11,000 square meters.
PV system for Mönchengladbach Airport
As part of its commitment to sustainable aviation, Mönchengladbach Airport is relying on solar self-sufficiency and making the energy transition visible to everyone through the CUBE Vision monitoring system in the terminal. Learn how this groundbreaking project is reducing operating costs and future-proofing MGL’s infrastructure.
Start of construction for large-scale solar carport project
The new large-scale solar carport project impressively demonstrates how parking spaces and outdoor storage areas can be covered for highly efficient energy generation without reducing the size of the parking spaces.