Can battery storage make diesel backup cleaner and cheaper? A hybrid system can combine energy storage with conventional generator infrastructure.
Belding India has launched an indigenously developed Hybrid Battery Energy Storage System (BESS) at India Energy Storage Week (IESW) 2026. The solution is designed to improve the efficiency of diesel generator (DG)-based backup power systems by reducing fuel consumption, lowering emissions, and enabling the integration of renewable energy sources.
The hybrid system addresses a common challenge in industrial and critical infrastructure facilities that continue to rely on diesel generators for uninterrupted power. By optimising generator operation, the Hybrid BESS can reduce diesel consumption by 40% to 80%, depending on the load profile. Lower generator runtime also translates into reduced fuel expenditure, lower maintenance requirements, and extended equipment life, helping reduce the overall cost of ownership while improving operational reliability.
The system delivers instant backup power during diesel generator start-up, minimising power interruptions in mission-critical environments. It also incorporates peak load shaving, allowing the battery to handle short-term spikes in electricity demand instead of oversizing diesel generators. This enables generators to operate closer to their optimum efficiency range while reducing installed capacity requirements. In addition, the Hybrid BESS provides improved voltage and frequency regulation to enhance power quality and supports the integration of renewable energy sources, including solar power, into existing electrical infrastructure. The company also states that the solution can help reduce carbon dioxide emissions and noise associated with diesel-powered backup systems.
The Hybrid BESS is intended for deployment across data centres, manufacturing plants, hospitals, airports, telecom towers, mining operations, oil and gas facilities, defence installations, remote industrial sites, and construction projects where reliable backup power remains critical.
