BIS Certification for Solar Panels & Modules: Foreign Manufacturer Guide

Why BIS Certification Is Mandatory for Solar Panels in India

India's solar energy ambitions are among the most aggressive in the world. With a target of 500 GW of non-fossil fuel capacity by 2030, the country installed over 18 GW of solar capacity in FY 2024-25 alone. Behind this growth sits a stringent quality control regime governed by the Bureau of Indian Standards (BIS), which mandates that every solar photovoltaic module sold in India must carry BIS certification.

The Ministry of New and Renewable Energy (MNRE) made BIS certification mandatory for solar cells, modules, and inverters beginning in 2019. The rationale is straightforward: substandard modules underperform, degrade faster, and pose fire and electrical safety risks. For foreign manufacturers, this creates a regulatory gateway that must be cleared before any module can enter the Indian market, whether for government tenders, private commercial projects, or residential installations.

As of 2025-26, MNRE has further tightened the regime through the Solar Systems, Devices and Components Goods Order, 2025, which supersedes the earlier 2017 regulation and updates the applicable Indian Standards. Foreign manufacturers who previously held certifications under older standards must ensure their certifications remain current under the updated framework.

Applicable Indian Standards for Solar Modules

BIS certification for solar modules is not a single-standard process. Multiple Indian Standards apply depending on the module technology and application.

Core Standards

Additional Standards for Specific Products

Solar inverters must comply with IS 16221 (Part 2): 2015 for power inverters and BEE efficiency standards effective from January 2026. Solar DC cables require BIS certification under separate standards. Manufacturers producing complete solar systems should verify the full list of applicable standards under the 2025 Goods Order. The Omnibus Technical Regulation Order, 2024, which consolidates multiple product-specific QCOs into a single regulatory framework, has also extended BIS compliance deadlines for certain solar components to September 1, 2026. Foreign manufacturers should track both MNRE-specific solar orders and the broader BIS omnibus regulation to ensure full compliance across their entire product range.

The Foreign Manufacturer Certification Scheme (FMCS)

Foreign manufacturers cannot apply for standard ISI Mark certification through the domestic scheme. Instead, they must use the Foreign Manufacturer Certification Scheme (FMCS), administered by BIS specifically for manufacturers located outside India.

Key Features of FMCS

• Applicant must be the manufacturer: Trading companies, distributors, and OEM brands cannot apply directly. The actual manufacturing entity must be the applicant.
• Authorized Indian Representative (AIR): Every foreign manufacturer must appoint an AIR based in India. The AIR handles application submission, coordination with BIS, and post-certification responsibilities including complaint resolution.
• Factory inspection overseas: BIS officers physically inspect the manufacturing facility in the applicant's country. The manufacturer bears all travel, accommodation, and visa costs for BIS auditors.
• Product-specific certification: Each certification covers four parameters: manufacturer, manufacturing address, product type, and brand/trademark. Any change in these requires a fresh application or amendment.

Who Can Be an AIR?

The AIR can be an individual, a company, or a legal entity resident in India. They must have a valid Indian address, PAN, and the ability to accept legal responsibility for product quality issues. Many foreign manufacturers appoint their Indian distribution partner or a specialized compliance consulting firm as their AIR.

Step-by-Step FMCS Certification Process

The certification process involves multiple stages and typically takes 3-6 months for solar modules, depending on documentation completeness and testing timelines.

Step 1: Appoint an Authorized Indian Representative

Before initiating any application, identify and formally appoint an AIR through a notarized agreement. The agreement should specify the AIR's responsibilities, including application management, complaint handling, and liaison with BIS authorities.

Step 2: Submit the Online Application

Apply through the BIS online portal (manakonline.bis.gov.in) with the following documents:

• Completed application form with manufacturer details
• Business license and certificate of incorporation
• ISO 9001 quality management system certificate
• Details of manufacturing process and quality control procedures
• Plant layout and equipment list
• AIR appointment letter and AIR's identity/address proof
• Affidavit and indemnity bond signed by authorized signatory, attested by a Judicial Magistrate or Notary Public
• Application fee of INR 1,000 plus 18% GST

Step 3: Sample Testing at BIS-Recognized Labs

Submit module samples to a BIS-recognized testing laboratory. Testing covers performance parameters including power output, electrical safety, thermal cycling, humidity-freeze, damp heat, UV exposure, and mechanical load. Testing fees vary from INR 50,000 to INR 1,50,000 depending on the module type and number of tests required. Testing typically takes 4-8 weeks.

Step 4: Factory Inspection

BIS officers visit the overseas manufacturing facility to verify:

• Manufacturing infrastructure matches the application
• Quality control systems are operational
• Testing equipment is calibrated and adequate
• Raw material sourcing and incoming quality checks
• Production process controls and final inspection procedures

The manufacturer bears the full cost of the BIS team's international travel, accommodation, and per diem charges. Budget INR 1,00,000 to INR 3,00,000 or more depending on the factory location.

Step 5: Grant of License

If testing and inspection are satisfactory, BIS grants the ISI Mark license. The manufacturer deposits the annual license fee of INR 1,000 plus the minimum marking fee specified for solar modules. The license is valid for two years and must be renewed before expiry.

Step 6: Ongoing Surveillance

BIS conducts periodic surveillance audits of the manufacturing facility and may draw market samples for independent testing. Non-compliance at any stage can result in suspension or cancellation of the license.

ALMM Listing: The Second Regulatory Layer

BIS certification alone does not guarantee market access for government-linked projects. The Approved List of Models and Manufacturers (ALMM), maintained by MNRE, is a separate requirement for modules used in government tenders, public sector projects, and projects receiving government subsidies.

ALMM Requirements

• BIS certification is a prerequisite for ALMM listing
• Manufacturers must apply separately through the MNRE portal
• Application fee is INR 5,000 per MW of manufacturing capacity
• MNRE verifies manufacturing capacity, quality systems, and track record
• The ALMM list is updated periodically, with the most recent update in November 2025

Impact on Foreign Manufacturers

ALMM has historically favored domestic manufacturers with Indian manufacturing capacity. However, foreign manufacturers with BIS-certified modules manufactured outside India can apply for ALMM listing. The practical challenge is that many government tenders specify ALMM-listed modules with domestic manufacturing, effectively creating a preference for modules made in India under the Make in India and China-plus-one strategy.

Cost Breakdown for Foreign Manufacturers

The total cost of BIS certification under FMCS is significantly higher than domestic certification due to the overseas inspection component.

These costs exclude any product redesign or retesting required to meet Indian Standards, which can add substantial additional expense. Manufacturers should also budget for renewal costs every two years and ongoing surveillance inspection costs.

Common Pitfalls Foreign Manufacturers Face

1. Applying Through a Distributor Instead of the Manufacturer

BIS requires the actual manufacturing entity to be the applicant. Trading companies, importers, and even OEM brand owners who contract-manufacture cannot apply under FMCS. The factory name on the certification must match the actual production facility.

2. Outdated Test Reports

Test reports must be from BIS-recognized laboratories and must reference the correct Indian Standard version. Reports based on IEC standards alone (even IEC 61215 or IEC 61730) are insufficient. The lab must be specifically recognized by BIS, and the test must be conducted against the Indian Standard.

3. Underestimating the Timeline

While BIS quotes 2-3 months, the practical timeline for FMCS applications averages 5-6 months due to overseas inspection scheduling, visa processing for BIS officers, and potential retesting requirements. Manufacturers entering the Indian market should begin the certification process at least 8-10 months before their planned market entry date.

4. Ignoring Post-Certification Obligations

Certification is not a one-time event. Manufacturers must maintain quality systems, cooperate with surveillance audits, and report any changes to the manufacturing process or facility. Failure to comply results in license suspension, and reinstating a suspended license is more difficult than obtaining a fresh one.

5. Neglecting ALMM Requirements

Manufacturers who obtain BIS certification but fail to apply for ALMM listing find themselves locked out of India's largest project pipeline. Government and semi-government projects represent over 60% of India's annual solar capacity additions.

BIS-Recognized Testing Laboratories for Solar Modules

Not every laboratory can conduct testing for BIS certification. Only laboratories specifically recognized by BIS for the relevant Indian Standard are accepted. As of 2025-26, the key BIS-recognized laboratories for solar module testing in India include the National Institute of Solar Energy (NISE) in Gurugram, the Solar Energy Centre under MNRE, and select NABL-accredited private laboratories that have obtained BIS recognition for IS 14286 and IS 16077.

Foreign manufacturers can also have testing conducted at internationally recognized laboratories, provided BIS has specifically recognized that laboratory for the relevant Indian Standard. However, this option is limited, and most manufacturers find it more efficient to ship samples to India-based laboratories. The testing process involves multiple sequential tests, including thermal cycling (200 cycles), humidity-freeze (10 cycles), damp heat (1,000 hours), UV preconditioning, mechanical load, and hot-spot endurance. A single failed test parameter requires retesting of the entire sequence, adding weeks to the timeline and significant cost.

Renewal and Retesting Requirements

BIS licenses are valid for two years. Renewal requires submitting a fresh application before the license expires, along with updated factory documentation and quality records. BIS may require fresh sample testing during renewal if the product design or manufacturing process has changed, or if surveillance audits have identified concerns. Late renewal applications face processing delays, and operating with an expired license is a violation under the BIS Act, 2016, carrying penalties of up to INR 5 lakh and potential criminal prosecution for repeat offenders.

Strategic Considerations for Market Entry

BIS certification is one component of a broader India market entry strategy for solar manufacturers. Additional regulatory and commercial considerations include:

• Basic Customs Duty (BCD): India imposes a 40% BCD on imported solar modules and 25% on imported solar cells as of April 2024, making domestic manufacturing significantly more cost-competitive
• Import Export Code (IEC): Required for the Indian importer or distributor handling customs clearance
• GST registration: Applicable at 12% on solar modules as of 2025-26
• Anti-dumping duties: India has periodically imposed anti-dumping duties on solar cells and modules from specific countries, most notably China, Taiwan, and Malaysia
• PLI Scheme: The Production Linked Incentive scheme for solar manufacturing offers incentives for domestic production, further shifting the competitive landscape

For manufacturers considering establishing manufacturing in India rather than exporting, FDI advisory services can help navigate the foreign direct investment framework, automatic route approvals, and state-level incentive programs.

Key Takeaways

• BIS certification under IS 14286 (crystalline silicon) or IS 16077 (thin film) is mandatory for all solar modules sold in India, with no exceptions for imported products
• Foreign manufacturers must use the FMCS scheme, appoint an Authorized Indian Representative, and budget for overseas factory inspections by BIS officers
• Total first-year certification costs range from INR 3 lakh to INR 10 lakh or more, with a timeline of 5-6 months in practice
• ALMM listing is a separate requirement for accessing government tenders and subsidized projects, representing the majority of India's solar market
• The 40% customs duty on imported modules and PLI incentives for domestic manufacturing are shifting the market toward India-based production