Key takeaways:
Hoymiles and TÜV SÜD project continued growth in the residential energy storage market following recovery from the 2023-2024 inventory correction cycle
Software capabilities such as AI-driven energy management, dynamic tariff optimization, and VPP participation are becoming increasingly important
Future residential ESS systems are expected to feature greater integration, improved safety, higher-voltage architectures, and advanced battery technologies
Energy storage is increasingly evolving from being a backup power option into an active energy management solution. As electricity prices become more dynamic, homeowners expect greater control over energy consumption. In this scenario, software capabilities are as important as hardware performance.
Hoymiles and TÜV SÜD have jointly released a white paper on the global residential energy storage industry in 2026, titled ‘Rooted in Safety, Empowered by Simplicity’. It outlines the trends shaping the next phase of the residential energy storage market.
The global residential energy storage shipments reached 35 GWh in 2025, following an inventory destocking cycle experienced during 2023 and 2024. The paper projects that the global battery market will reach between $19.3 billion and $22.7 billion by 2030.
Purchase decisions, the paper says, are increasingly influenced by factors beyond storage capacity and inverter specifications. Homeowners and installers are placing more emphasis on system reliability, installation simplicity, cross-band compatibility, intelligent energy management, and long-term performance.
One of the key findings is the growing importance of software capabilities as residential storage systems are evolving from standalone assets to integrated energy platforms. There is growing importance placed on consumer-friendly functions such as dynamic electricity tariff optimization, virtual power plant (VPP) participation, and AI-driven energy management.
Another aspect to note is that installation efficiency is emerging as a competitive differentiator. Modular and integrated designs are helping reduce installation times while simplifying commissioning and maintenance.
Regionally, Australia emerged as the world’s largest residential energy storage market in 2025. Europe entered a new growth cycle after inventory normalization. Demand is also growing in emerging markets, primarily driven by electricity prices and concerns about grid reliability.
Beyond market growth, the white paper also outlines the expected development path of residential energy storage technologies over the next 5 years. Future systems will evolve toward higher levels of integration, intelligence, safety, and efficiency. The roadmap envisions wider adoption of 314 Ah LFP cells in the near term, followed by semi-solid-state and eventually solid-state batteries. At the system level, integrated architectures, modular designs, and 800 V platforms are expected to become more common, while AI-driven energy management, VPP participation, and deeper integration with EV charging and home energy systems are projected to play an increasingly important role.
The full white paper can be downloaded here.