ALMM and BIS are two distinct Indian solar requirements that are often confused. BIS (Bureau of Indian Standards) registration is a mandatory standards certification: it confirms a module meets Indian quality and safety standards (aligned with IEC), and is required for modules to be sold and used in India. ALMM (Approved List of Models and Manufacturers, maintained by MNRE) is a project-eligibility list: it specifies which models and manufacturers are approved for use on certain government and subsidised projects. In short, BIS is about whether the module meets the standard, while ALMM is about whether the module is eligible for a particular project. A module can be BIS-registered but not ALMM-listed, so for an ALMM-mandated project you may need both.
”- ALMM and BIS are distinct requirements that are often confused.
- BIS registration is a mandatory standards certification, does the module meet Indian standards.
- ALMM is a project-eligibility list, is the module approved for certain government/subsidised projects.
- BIS is about meeting the standard; ALMM is about eligibility for a particular project.
- A module can be BIS-registered but not ALMM-listed, so an ALMM project may need both.
Two requirements, two different jobs
ALMM and BIS are frequently spoken of in the same breath, and frequently confused, but they do fundamentally different jobs. One is a quality-and-safety standards requirement; the other is a project-eligibility mechanism. Understanding the distinction is important, because it is entirely possible for a module to satisfy one and not the other, and buying on the assumption that they are the same thing leads to compliance mistakes.
BIS: does the module meet the standard?
BIS registration, under the Bureau of Indian Standards, is a mandatory standards certification. It confirms that a module conforms to the applicable Indian standards, which are aligned with the international IEC standards for performance and safety. BIS registration is required for a module to be sold and used in India at all. It answers the question: does this module meet the required quality and safety standard? It is about the module's inherent compliance with the standard.
ALMM: is the module eligible for the project?
ALMM, the Approved List of Models and Manufacturers maintained by MNRE, is not a standards test but an eligibility list. It specifies which module models and manufacturers are approved for use on certain projects, particularly government, utility and subsidised ones. ALMM answers a different question: is this module eligible for use on this particular (mandated) project? A module's presence on the ALMM list is about project eligibility, not about whether it meets a quality standard, that is BIS's job.
Why the distinction matters in practice
Because they do different jobs, the two do not automatically go together. A module can be BIS-registered (it meets the standard and can be sold in India) yet not be ALMM-listed (it is not on the approved list for mandated projects). For a general commercial installation, BIS registration may be all you need. For a government or subsidised project under an ALMM mandate, you likely need both, BIS registration to meet the standard and ALMM listing to be eligible for the project. The practical rule: check both requirements separately against your project, and never assume that satisfying one means satisfying the other.
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