Smart DC Homes: Why Low-Voltage Solar Architecture Is Rising in 2025 | SolSetu
Smart DC Homes: Why Low-Voltage Solar Architecture Is Rising in 2025
In 2025, a growing number of Indian households are shifting toward smart DC architecture — home electrical systems built around low-voltage direct current powered primarily by rooftop solar and batteries. This shift is driven by the need to reduce conversion losses, extend backup duration, and improve the overall efficiency of solar-powered homes.
Why DC homes are gaining popularity
Traditional AC systems convert solar DC power multiple times — DC to AC to DC — causing energy loss. Smart DC homes eliminate redundant conversions by directly powering LED lighting, fans, routers, laptops, and IoT devices using DC circuits.
Core components of a DC home
- Rooftop solar array with DC bus
- Hybrid inverter with DC output support
- Li-ion or LFP battery system
- DC lighting and appliance circuits
- Smart microgrid controller for load prioritization
Benefits for homeowners
- Longer battery backup during outages
- Lower monthly energy bills
- Reduced wiring losses
- Seamless compatibility with IoT and smart home devices
Vendor opportunities
Solar vendors are increasingly offering DC home upgrade kits, combining rooftop solar, battery systems, and DC load panels. These packages reduce installation complexity and allow staged upgrades over time.
