Our current expert articles
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Energy Strategies for Data Centers: 100%—Renewables Will Be Mandatory Starting in 2027
Time is running out: The new regulations present data centers with enormous challenges while simultaneously opening up great potential for savings. Read our article to find out which energy strategies really work now.
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.
EMD Directive: Status of German implementation after the deadline expiration
The Electricity Market Design Directive (EU) 2024/1711 had to be transposed into German law by July 17, 2026. With the amendment to the Energy Industry Act (EnWG) of November 2025, Germany has already implemented central parts, but is still considered delinquent by the EU Commission: An infringement procedure (INFR 2025/0127) is underway because the complete transposition was not notified on time.
What is LULUCF? By 2030, EU land use is set to save 310 million tons of CO₂
It is a central, yet often underestimated, pillar of European climate policy. We explain how forests, soils, and wetlands are intended to sequester CO₂ and what targets apply to Germany and the other EU member states.
Photovoltaics on lightweight halls: Technology, structural analysis & mounting
Large roof areas, flexible use, but often limited load-bearing reserves: Photovoltaics on lightweight halls place special demands on planning and fastening. We show which roof types are suitable and what operators must consider when retrofitting PV.
Effort Sharing Regulation (ESR): Germany's Climate Targets for Transportation, Buildings, and Agriculture Through 2030
It commits Germany to significantly stricter climate targets in the transport, buildings, and agriculture sectors – thereby indirectly driving solar mandates, carbon pricing, and investments in photovoltaics and battery storage.
2030 Climate Targets: Germany Falls Short of ESR Targets by 255 Million Metric Tons of CO₂
Germany is at risk of falling significantly short of its European climate targets by 2030—with potential additional costs of up to 38.3 billion euros. Our article explains why buildings and transportation, in particular, are becoming a problem and what role battery storage and energy management will play in the future.
Battery recycling for BESS: EU Battery Regulation & recycling targets up to 2030 at a glance
Battery recycling is becoming mandatory: The EU Battery Regulation is making the end-of-life of BESS a planning topic already today.
Cybersecurity for BESS & PV Inverters: 3 EU Regulatory Frameworks with an 80 % Market Share in China
NIS-2, the Cyber Resilience Act, and potential manufacturer restrictions are fundamentally changing the requirements for PV systems and battery storage. Our article explains which regulatory developments operators and investors should be aware of now.
Grid boosters & system boosters: How battery storage systems stabilize the transmission grid
grid boosters are large-scale battery energy storage systems, or utility-scale BESS, that transmission system operators (TSOs) use as part of curative system management to resolve line bottlenecks within seconds in the event of a fault
Levelized Cost of Storage (LCOS): The Key Cost Metric for BESS
The purchase price of a battery storage system is only a small part of what determines its cost-effectiveness. The key factor is the Levelized Cost of Storage (LCOS)—the metric that provides a reliable basis for investment decisions.
Flexibility marketing for BESS operators: Models, contracts, aggregators in comparison
Flexibility marketing is a decisive factor in the economic viability of a battery energy storage system. Learn which marketing models, contract concepts, and aggregators are options for BESS operators.
Why flexibility is becoming mandatory for companies in the energy sector
Rising energy costs, new grid fees, and stricter regulatory requirements are fundamentally changing the rules of the game for businesses. Learn why flexible energy systems with PV, battery storage, and EMS are becoming the key strategy for economic success.
Battery recycling for BESS: EU Battery Regulation & recycling targets up to 2030 at a glance
Battery recycling is becoming mandatory: The EU Battery Regulation is making the end-of-life of BESS a planning topic already today.
Cybersecurity for BESS & PV Inverters: 3 EU Regulatory Frameworks with an 80 % Market Share in China
NIS-2, the Cyber Resilience Act, and potential manufacturer restrictions are fundamentally changing the requirements for PV systems and battery storage. Our article explains which regulatory developments operators and investors should be aware of now.
Grid boosters & system boosters: How battery storage systems stabilize the transmission grid
grid boosters are large-scale battery energy storage systems, or utility-scale BESS, that transmission system operators (TSOs) use as part of curative system management to resolve line bottlenecks within seconds in the event of a fault
Levelized Cost of Storage (LCOS): The Key Cost Metric for BESS
The purchase price of a battery storage system is only a small part of what determines its cost-effectiveness. The key factor is the Levelized Cost of Storage (LCOS)—the metric that provides a reliable basis for investment decisions.
Flexibility marketing for BESS operators: Models, contracts, aggregators in comparison
Flexibility marketing is a decisive factor in the economic viability of a battery energy storage system. Learn which marketing models, contract concepts, and aggregators are options for BESS operators.
Fraunhofer study: Battery storage systems could relieve power system by 3.9 billion euros per year
What economic effects would a faster expansion of battery storage have? A current Fraunhofer study provides concrete figures and shows why greater flexibility is crucial for electricity customers, project developers, and the entire energy system.
Weather Forecasts & the Energy Market: Why Accurate Forecasts Are Crucial
Sun and wind no longer just determine power generation, but also price trends in the energy markets. Learn why high-precision weather forecasts have become a decisive competitive factor for grid operators, power traders, and battery storage operators.
C&I; Storage: Battery Storage for Commercial and Industrial Applications
C&I storage stands for Commercial & Industrial and refers to battery storage systems for commercial and industrial applications. In practice, the term is broadly defined and is not tied to a uniform minimum technical size.
Grey Water Storage: Definition, How It Works, and Applications
What is a gray electricity storage system, and when is it worth using one? This article explains how it works, its areas of application, and the latest regulatory developments surrounding MiSpeL and the future use of battery storage systems.
Green Energy Storage: Definition, How It Works, and Applications
Green energy storage systems are connected to renewable energy sources either directly or through net metering. This article explains the benefits of this approach and the regulatory requirements that will apply in the future.
Standalone Storage – BESS as an Independent Market Player
This article explains what defines a standalone storage system, the revenue potential it offers—both front-of-the-meter (FTM) and behind-the-meter (BTM)—and for whom it may be a better choice than a co-location approach.
Understanding Battery Storage: Terms, Categories, and Their Place in the Market
From residential storage to C&I to utility-scale BESS: There are a multitude of terms related to battery storage, and they are often used interchangeably. This article provides clarity and systematically categorizes the most important terms.
Photovoltaics on lightweight halls: Technology, structural analysis & mounting
Large roof areas, flexible use, but often limited load-bearing reserves: Photovoltaics on lightweight halls place special demands on planning and fastening. We show which roof types are suitable and what operators must consider when retrofitting PV.
Cybersecurity for BESS & PV Inverters: 3 EU Regulatory Frameworks with an 80 % Market Share in China
NIS-2, the Cyber Resilience Act, and potential manufacturer restrictions are fundamentally changing the requirements for PV systems and battery storage. Our article explains which regulatory developments operators and investors should be aware of now.
Lightweight modules for low load capacities
Here's how to make photovoltaic systems work even on low-slope roofs. In this article, we'll explore the technology, applications, and cost-effectiveness.
Agnes Interim Report 2026: What industrial customers need to know now
The Federal Network Agency presented the preliminary interim status on the reform of the general network charge system for electricity (AgNes) on May 27, 2026. It is not yet the final draft decision, but it is a clear signal of where things are heading. We were there—and explain what the planned changes specifically mean.
Nationwide Solar Mandate from 2027: What § 106 GModG Means for Commercial Properties
Between ESG pressures, renovation obligations, and rising energy costs, photovoltaics are becoming a regulatory standard for commercial real estate. § 106 GModG introduces a nationwide solar obligation for the first time starting in 2027 - with far-reaching consequences for owners, project developers, and asset managers.
BAFA Federal Funding EEG: What You Need to Know for PV and BESS Projects
The funding program „Federal Funding for Energy and Resource Efficiency in Business” (EEW) offers companies substantial grants for energy management systems and efficiency measures – including for PV and BESS projects. The current overview (as of April 1, 2026) provides the binding definitions and requirements.
Flexible Connection Agreements (FCAs): Flexible Grid Connections Explained Briefly
They significantly accelerate the grid connection of PV and storage projects and reduce costs. In return, operators forgo guaranteed capacities and bear curtailment risks. The article explains how FCAs work and what is economically important.
Degradation of PV systems: Actually much lower than long assumed
A recent long-term study by the BTU Cottbus shows that the actual power output degradation of PV systems—at around 0.6% per year—is significantly lower than is often assumed. For operators and investors, this means higher electricity yields over the entire lifespan of the system and noticeably better profitability for their projects.
Grid overlay with PV & BESS as a solution for redispatch reservation
The strategic grid overlay of PV systems with battery storage systems (BESS) enables project expansion despite regional capacity bottlenecks and the new redispatch reservation. Efficient utilization of existing connections minimizes curtailment risks and, according to an EWI study, saves up to 1.8 billion euros in grid expansion costs annually.
Global radiation 2025: Fourth place since measurements began
With around 1,187 kWh/m², global radiation in 2025 ranks fourth in historical comparison, underscoring the trend towards increasingly sunny years in Germany. The first half of the year, in particular, was rich in radiation, offering ideal conditions for photovoltaic systems and ensuring above-average solar yields.
The German electricity market: Actors, roles & processes
From power plant operators to end customers – the stability of the electricity system is based on clearly defined roles and highly dynamic stock market trading. In this complex environment, innovative players and intelligent grids ensure the balance between fluctuating generation and reliable availability.
The Marketstammdatenregister (MaStR)
It is the central database of the energy transition and legally binding for every plant operator. Timely registration of PV systems and storage is the mandatory prerequisite for securing feed-in tariffs and avoiding severe fines.
Cybersecurity for BESS & PV Inverters: 3 EU Regulatory Frameworks with an 80 % Market Share in China
NIS-2, the Cyber Resilience Act, and potential manufacturer restrictions are fundamentally changing the requirements for PV systems and battery storage. Our article explains which regulatory developments operators and investors should be aware of now.
Grid boosters & system boosters: How battery storage systems stabilize the transmission grid
grid boosters are large-scale battery energy storage systems, or utility-scale BESS, that transmission system operators (TSOs) use as part of curative system management to resolve line bottlenecks within seconds in the event of a fault
Flexibility marketing for BESS operators: Models, contracts, aggregators in comparison
Flexibility marketing is a decisive factor in the economic viability of a battery energy storage system. Learn which marketing models, contract concepts, and aggregators are options for BESS operators.
Why flexibility is becoming mandatory for companies in the energy sector
Rising energy costs, new grid fees, and stricter regulatory requirements are fundamentally changing the rules of the game for businesses. Learn why flexible energy systems with PV, battery storage, and EMS are becoming the key strategy for economic success.
Weather Forecasts & the Energy Market: Why Accurate Forecasts Are Crucial
Sun and wind no longer just determine power generation, but also price trends in the energy markets. Learn why high-precision weather forecasts have become a decisive competitive factor for grid operators, power traders, and battery storage operators.
C&I; Storage: Battery Storage for Commercial and Industrial Applications
C&I storage stands for Commercial & Industrial and refers to battery storage systems for commercial and industrial applications. In practice, the term is broadly defined and is not tied to a uniform minimum technical size.
Grey Water Storage: Definition, How It Works, and Applications
What is a gray electricity storage system, and when is it worth using one? This article explains how it works, its areas of application, and the latest regulatory developments surrounding MiSpeL and the future use of battery storage systems.
Green Energy Storage: Definition, How It Works, and Applications
Green energy storage systems are connected to renewable energy sources either directly or through net metering. This article explains the benefits of this approach and the regulatory requirements that will apply in the future.
When Heat Brings the Grid to Its Knees: The 2026 Heat Wave and Its Impact on the European Electricity Market
Europe is groaning under an extraordinary heatwave. While millions of people are running their air conditioning at full blast, the European power system is getting
Lightweight modules for low load capacities
Here's how to make photovoltaic systems work even on low-slope roofs. In this article, we'll explore the technology, applications, and cost-effectiveness.
Standalone Storage – BESS as an Independent Market Player
This article explains what defines a standalone storage system, the revenue potential it offers—both front-of-the-meter (FTM) and behind-the-meter (BTM)—and for whom it may be a better choice than a co-location approach.
Understanding Battery Storage: Terms, Categories, and Their Place in the Market
From residential storage to C&I to utility-scale BESS: There are a multitude of terms related to battery storage, and they are often used interchangeably. This article provides clarity and systematically categorizes the most important terms.
EMD Directive: Status of German implementation after the deadline expiration
The Electricity Market Design Directive (EU) 2024/1711 had to be transposed into German law by July 17, 2026. With the amendment to the Energy Industry Act (EnWG) of November 2025, Germany has already implemented central parts, but is still considered delinquent by the EU Commission: An infringement procedure (INFR 2025/0127) is underway because the complete transposition was not notified on time.
What is LULUCF? By 2030, EU land use is set to save 310 million tons of CO₂
It is a central, yet often underestimated, pillar of European climate policy. We explain how forests, soils, and wetlands are intended to sequester CO₂ and what targets apply to Germany and the other EU member states.
Effort Sharing Regulation (ESR): Germany's Climate Targets for Transportation, Buildings, and Agriculture Through 2030
It commits Germany to significantly stricter climate targets in the transport, buildings, and agriculture sectors – thereby indirectly driving solar mandates, carbon pricing, and investments in photovoltaics and battery storage.
2030 Climate Targets: Germany Falls Short of ESR Targets by 255 Million Metric Tons of CO₂
Germany is at risk of falling significantly short of its European climate targets by 2030—with potential additional costs of up to 38.3 billion euros. Our article explains why buildings and transportation, in particular, are becoming a problem and what role battery storage and energy management will play in the future.
Battery recycling for BESS: EU Battery Regulation & recycling targets up to 2030 at a glance
Battery recycling is becoming mandatory: The EU Battery Regulation is making the end-of-life of BESS a planning topic already today.
Cybersecurity for BESS & PV Inverters: 3 EU Regulatory Frameworks with an 80 % Market Share in China
NIS-2, the Cyber Resilience Act, and potential manufacturer restrictions are fundamentally changing the requirements for PV systems and battery storage. Our article explains which regulatory developments operators and investors should be aware of now.
Maturity Model: What's Changing for BESS Projects?
The maturity level procedure replaces the previous „first come, first served“ principle with a new approach: in the future, the deciding factor will no longer be the time of application, but rather the actual implementation readiness of a project. „First ready, first served“ is the new motto.
Agnes Interim Report 2026: What industrial customers need to know now
The Federal Network Agency presented the preliminary interim status on the reform of the general network charge system for electricity (AgNes) on May 27, 2026. It is not yet the final draft decision, but it is a clear signal of where things are heading. We were there—and explain what the planned changes specifically mean.
Nationwide Solar Mandate from 2027: What § 106 GModG Means for Commercial Properties
Between ESG pressures, renovation obligations, and rising energy costs, photovoltaics are becoming a regulatory standard for commercial real estate. § 106 GModG introduces a nationwide solar obligation for the first time starting in 2027 - with far-reaching consequences for owners, project developers, and asset managers.
Corporate Power Purchase Agreement (CPPA): Green electricity directly from the producer
They enable companies to source green electricity directly from a specific generation plant – without going through a traditional energy provider. This creates long-term predictable electricity costs, robust ESG evidence, and true independence from the electricity market.
MiSpeL 2026: When does the determination apply and what does it 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.
Electricity Price Compensation (EPC): Instrument against Carbon Leakage for energy-intensive industries
Protective shield against carbon leakage: Everything important about electricity price compensation for the 2025 billing year – from new energy efficiency requirements to deadlines and the distinction from the 5-cent industrial electricity price.
Why flexibility is becoming mandatory for companies in the energy sector
Rising energy costs, new grid fees, and stricter regulatory requirements are fundamentally changing the rules of the game for businesses. Learn why flexible energy systems with PV, battery storage, and EMS are becoming the key strategy for economic success.
ESG Scoring and Rating of Real Estate – Methods, Standards & New Requirements
A high ESG score increases market value and improves financing conditions. Decision-makers are specifically optimizing the „E“ criteria today through PV systems, battery storage, and energy management systems (EMS), as these technologies reduce CO₂ emissions and simultaneously provide the data transparency necessary for reporting.
Helicoptering as a risk to grid stability?
To make productive use of the oversupply of onshore wind power, large-scale battery storage, sector coupling, and flexible loads (demand-side management) are essential. Instead of curtailing generation, these technologies enable surpluses to be converted into hydrogen, heat, or mobility, thus stabilizing the power system during generation peaks.
DIN V 18599 for building planning with modern energy systems
The standard assesses complex interactions between zones, technology, and self-consumption of solar power in commercial properties. It forms the legal basis for energy certificates and is essential for securing funding through proven efficiency targets.
ESG-compliant assets for a KAG
Through modernization roadmaps and Contracting, real estate investment companies (REICs) can implement solar power systems, battery energy storage systems (BESS), and charging infrastructure without incurring their own capital expenditures (CapEx) or operating expenses (OpEx). This resolves the tenant-investor dilemma, increases property returns through on-site power purchase agreements (PPAs), and meets the regulatory requirements of the EU Taxonomy and the Energy Performance of Buildings Directive (EPBD).
Modern hall heating: reduce costs, increase efficiency
Infrared indoor heating systems heat surfaces directly rather than the air, which minimizes energy loss and reduces CO₂ emissions by up to 70%. With an efficiency of 93%, these systems can be ideally combined with PV systems to provide sustainable heating for workspaces on an as-needed basis without incurring additional grid costs.
Heating with Photovoltaics: PV Power for Heat Pumps & Infrared Heaters
Heating with solar power reduces energy costs by 30–60%, as self-generated electricity replaces expensive grid power and fossil fuels. While heat pumps stand out for their high efficiency (COP 3–5), infrared heaters provide targeted radiant heat in high-ceilinged spaces at low installation costs and with high flexibility.
Efficiency through modern energy management systems (EMS)
A cloud-based EMS bundles all energy flows on a central platform and automates the creation of ESG and CSRD reports at the push of a button. It flexibly controls sectors such as e-mobility and heating systems, optimizes the most cost-effective energy mix, and secures additional revenue for companies in the capacity market through intelligent load shifting.
Successful Energy Concepts for Businesses: Reduce Costs, Secure Energy, Plan for the Future
A successful energy concept combines energy efficiency, PV self-generation, and battery storage into an economic control tool. By reducing base load and intelligent load management, companies permanently lower their costs, CO₂ emissions, and dependence on volatile electricity prices.
Sector Coupling – for interconnected energy systems in companies
Through power-to-heat, battery storage, and intelligent charging management, companies convert volatile energy into usable heat or motive power. A central energy management system (EMS) dynamically controls these sectors, avoids expensive peak loads, and thus permanently reduces energy costs by a multiple.
Depot charging - e-mobility for commercial vehicles
Depotladen leverages idle times at central base stations to charge commercial vehicle fleets cost-effectively through intelligent load management and dynamic tariffs. This significantly reduces operating costs compared to diesel, avoids the CO₂ truck toll, and improves the ESG balance through the integration of PV electricity and battery storage.
"Utilization instead of curtailment 2.0" to avoid grid bottlenecks
Starting in October 2024, the two-year pilot phase of „Utilize Instead of Curtail 2.0“ will commence, making surplus electricity from renewable energies usable for sector coupling and storage. The goal is to avoid costly curtailments without losing sight of the necessary grid expansion.