In India, BIS certification (registration) is required for solar modules, and BIS standards and registration requirements also extend to certain other solar components, notably inverters and, depending on the applicable regulations, batteries and some other equipment used in solar systems. The most well-established requirement is for modules, but because the regulatory scope has broadened over time to cover more of the system, you should not assume only modules need BIS. The practical approach is to confirm, for each major component in your bill of materials, module, inverter, battery and others, whether a current BIS requirement applies, since requirements evolve and vary by component and project.
”- BIS certification is required for solar modules, and extends to certain other components.
- Inverters are a notable component that can fall under BIS requirements.
- Batteries and some other solar equipment may also be covered depending on the regulations.
- Regulatory scope has broadened over time, do not assume only modules need BIS.
- Confirm the current BIS requirement for each major component in your BOM, per project.
Modules are the starting point, not the whole story
BIS certification is most strongly associated with solar modules, and module BIS registration is the best-established requirement. But it would be a mistake to assume modules are the only component BIS touches. Indian standards and registration requirements have expanded over time to cover more of the solar system, so a compliant module in a system full of uncertified components is not the goal, whole-system compliance is.
Inverters and other equipment
Beyond modules, inverters are a notable component that can fall under BIS requirements, given their central role in system safety and performance. Depending on the applicable regulations, batteries used in solar storage and certain other equipment may also be covered. The exact scope is set by the regulations in force and can vary, so the components requiring BIS in your system depend on both the equipment type and the current rules.
Why the scope keeps changing
The set of components requiring BIS certification is not static. As the Indian solar market and its standards framework mature, the regulatory scope has broadened, bringing more component types under registration requirements over time. This means a component that did not require BIS at one point may require it later, and vice versa. The moving nature of the requirements is exactly why you cannot rely on a fixed mental list, you have to check the current position.
The practical approach
For each major component in your bill of materials, module, inverter, battery, and any other significant equipment, confirm whether a current BIS requirement applies before you order. Treat this as part of your compliance checklist alongside IEC reports and, for modules, ALMM where relevant. Confirming component-by-component ensures your whole system is compliant, not just the panels, and protects you from the costly discovery that a non-module component fails to meet a requirement you did not know applied.
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