Huawei Digital Power, a business unit of Huawei, held the launch of the top 10 trends of FusionSolar 2025 with the theme of “Integrated Innovation for a Smart Future, Accelerating Solar Energy to Become the Mainstream Energy Source”.
Steven Zhou, president of the company's Smart PV & ESS product line, introduced the trends along with a white paper, aiming to contribute to and the high-quality development of the solar and storage industry.
According to him, renewable energy policies were favorable in 2024, and the photovoltaic and storage market will continue with positive growth in 2025. Amid the global energy transition, the industry is benefiting from unprecedented opportunities.
As one of the contributions to this transition, Huawei forecasts 10 major trends based on its long-term practices and deep insights, covering everything from core technologies to scenario-based applications.
- Renewable energy generators accelerate PV as a major energy source
Comprehensive practices for renewable energy generator technology have been completed regarding theoretical research, product development, demonstration and testing, as well as large-scale applications.
- Networking for all scenarios
Ubiquitous storage and grid formation will ensure the long-term stability of new systems. As an important source ing the power grid, energy storage (ESS) plays a key role in generation, transmission, distribution and consumption in new power systems.
The ESS with network-forming capability implements stable control of voltage, frequency and power angle, enabling stable operation for long periods.
- Cell-to-grid ESS security
The safety of energy storage systems is the fundamental foundation. A more robust protection design will promote the high-quality development of the industry. High-standard protection from battery cells to power grids is required to ensure storage safety.
The ESS must ensure that there is no spread of fires or explosions, in addition to automatically isolating faults in the electrical network and recovering from them, guaranteeing safety and reliability throughout its entire life cycle.
- Intelligence throughout the life cycle
Renewable power plants will operate automatically throughout their entire life cycle. In the future, plants with capacities exceeding GW will continue to emerge. Large scale, harsh environments and complex operations will become key challenges.
By leveraging technologies such as 5G, cloud computing and the Internet of Things (IoT), each plant will be digitalized, achieving more technological, intelligent management without human intervention.
- High frequency and density
Third-generation semiconductor and digital technologies will increase the power density of electronic converters and improve the quality and efficiency of PV+ESS systems.
It is estimated that the power density of PV inverters and storage power conversion systems (PCS) will increase by more than 30% in the next three to five years, further improving the quality and efficiency of PV systems.
- High voltage and reliability
High voltage application will reduce the LCOE of PV+ESS systems, while high reliability design will optimize availability and safety, which will be enhanced through technical innovations.
Real-time monitoring of operating parameters allows equipment to accurately detect faults and take proactive protective measures, minimizing the impact of errors.
In addition, AI-based predictive maintenance and the innovative two-stage power architecture enable early warning of irregularities and protection, ensuring high reliability and ing stable power grid operations.
- 100% renewable microgrids
Microgrids – electrical systems that generate energy through renewable sources – that are cost-effective and stable will be preferred in areas with electricity shortages.
The three-layer architecture consisting of stable grid formation, flexible control and intelligent scheduling, together with the rapid development and cost reduction of PV+ESS technologies, make the 100% renewable energy microgrid a reality. This enables regions without electricity or with insufficient supply to use energy flexibly.
- Synergy PV + ESS + chargers + loads
Distribution networks will gain greater flexibility, accelerating the deployment of green energy in various sectors. In the future, collaborative management of PV systems, ESS, chargers and loads will improve the predictability of generation and consumption, taking advantage of the complementary effect between distributed PV systems and adjustable charging loads.
This will increase the balancing capacity of distribution networks. In this way, the balance between supply and demand can be achieved locally, in nearby areas and between regions, accelerating the adoption of sustainable energy in different industries.
- Community energy sharing
By moving from self-consumption to community sharing, green energy will be better distributed and coordinated between households. In the future, systems will be aggregated, moving from a single household to an entire community, enabling sharing and independent energy management in the region.
Electricity generated in the community can also be traded on the energy market through virtual power plants. This improves the stability of regional power grids and also allows more sustainable electricity from households to contribute to energy circulation and mutual benefits.
- Flexible adaptation to all business models
Integrated platforms will adapt to diversified business models and generate more benefits. The ESS of the future should have a flexible architectural design. Based on a set of hardware configurations, it should adjustable capacity expansion and smooth evolution through high integration of software and hardware, and be applicable to multiple business models.
Furthermore, the ESS must be open for sharing and able to interconnect with the market, adapting flexibly to all business models and effectively ing the development of new systems.
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