Elmia Solar 2025 brought together key players in the solar and energy storage industry to discuss the latest developments, challenges, and opportunities. From financial performance data to grid constraints and cybersecurity threats, the conversations highlighted where the market is headed – what needs to happen next.
Battery Storage Performance: What the Numbers Say
Looking back at 2024, the Swedish market provided clear data on battery energy storage systems (BESS) in a multi-market strategy:
1MW/1MWh systems generated an average of €241K/MW per year
1MW/2MWh systems performance better, averaging €295K/MW per year
This underscores the financial advantage of increasing storage during in Sweden’s energy market.
As energy markets evolve, maximizing revenue streams through optimized battery sizing and smart control algorithms will be critical.
Financing Challenges & Opportunities
Many project developers at the event emphasized the need for financing solutions to scale their BESS and renewable projects. Infra funds like GreenVoltis play a key role in providing structured financing to improve project bankability and long-term profitability.
Grid Constraints & The Role of Smart Energy Management
An increasing number of wind and solar developers in Sweden are expanding into BESS project development, but grid constraints remain a significant hurdle. Limited grid connection capacity is slowing deployment.
GreenVoltis helps mitigate these challenges through local arbitrage and peak shaving solutions, allowing developers to manage congestion, reduce grid dependency, and improve project viability.
Optimizing BESS with Smart Control Algorithms
One of the recurring themes – both on stage and in direct conversations – was the importance of advanced optimizations algorithms. To maximize profitability, BESS systems must operate across multiple markets, balancing peak shaving, arbitrage, and other revenue streams. Developers are increasingly focusing on intelligent automation to fine-tune battery operations.
Cybersecurity: A Growing Risk for Energy Assets
Cybersecurity in energy infrastructure is becoming a critical issue. Discussions at Elmia Solar highlighted:
BESS, wind, and solar assets are vulnerable to cyber threats, requiring secure cloud-based solutions.
A recent survey of industrial companies found that 89% had experienced a cyberattack, with 60% lacking the tools to defend against them.
The average financial damage from these attacks was €2.39M per incident
GreenVoltis is committed to providing secure and resilient energy management solutions, ensuring that businesses deploying renewables and BESS have the protection they need.
Looking Ahead
Elmia Solar 2025 reinforced that the energy transition in Sweden in accelerating, but challenges remain. Battery storage is proving its value, but developers need better financing, optimized operations, and stronger cybersecurity to scale successfully.
At GreenVoltis, we’re working directly with developers and businesses to address these issues- through financing, smart grid solutions, and secure energy management.
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