Complete Guide

ALMM Certification

Approved List of Models and Manufacturers for Solar PV Modules & Inverters in India

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What is ALMM?

ALMM (Approved List of Models and Manufacturers) is a mandatory list published by the Ministry of New and Renewable Energy (MNRE), Government of India, under the provisions of the Solar Photovoltaics, Systems, Devices, and Components Goods (Requirements for Compulsory Registration) Order, 2017.

The ALMM includes all models and manufacturers of solar photovoltaic (PV) modules, inverters, and other solar components that are eligible for use in government-sponsored solar projects, subsidy schemes, and net-metering installations in India.

ALMM is maintained and updated by the National Institute of Solar Energy (NISE), which acts as the implementing agency for MNRE.
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Why ALMM is Required?

Quality Assurance

Ensures only high-quality, reliable solar modules are deployed in India's solar projects, preventing premature degradation and performance issues.

Promote Domestic Manufacturing

Encourages domestic solar manufacturing by mandating local production for government projects.

Consumer Protection

Protects consumers and project developers from substandard imported solar products.

Performance Monitoring

Enables tracking of module performance and facilitates warranty enforcement.

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Objectives of ALMM

Primary Objectives

  • Create a comprehensive database of approved solar modules
  • Ensure minimum quality standards for solar PV systems
  • Facilitate easy selection of reliable products for projects
  • Reduce dependence on low-quality imported modules

Strategic Objectives

  • Support 'Atmanirbhar Bharat' (Self-Reliant India) initiative
  • Promote Make in India in solar manufacturing sector
  • Protect domestic solar industry from dumping
  • Ensure long-term reliability of solar assets
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When ALMM has Started?

January 2019 - MNRE issued the Solar Photovoltaics, Systems, Devices, and Components Goods (Requirements for Compulsory Registration) Order, 2017, establishing ALMM.

April 2021 - ALMM became mandatory for all government-sponsored solar projects, including those under CPSU scheme, PM-KUSUM, and rooftop solar installations availing subsidies.

2019
ALMM Established
2021
Mandatory Implementation
2023
List Updated (80+ Manufacturers)
2024
ALMM for Inverters Proposed
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What Products are Covered in ALMM?

Currently Covered Products

Solar PV Modules

Crystalline Silicon (Mono/Poly), Thin-Film modules of all capacities

Solar Cells

For domestic content requirement (DCR) projects

Solar Inverters (Proposed)

String inverters, central inverters, micro-inverters

Batteries (Under Consideration)

Solar batteries and energy storage systems

Note: ALMM currently applies to Solar PV Modules. Solar Inverters and other components may be added in future phases.
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For Whom ALMM is Applicable?

Solar Module Manufacturers

Manufacturers wanting to sell modules for government projects must get ALMM registration

Project Developers

Must use only ALMM-listed modules for government-sponsored solar projects

EPC Contractors

Contractors executing government solar projects must procure ALMM-listed modules

Mandatory Applicability: ALMM is mandatory for all government-sponsored solar projects, including those under:
  • Central Public Sector Undertaking (CPSU) Scheme
  • PM-KUSUM Scheme for farmers
  • Grid-connected rooftop solar subsidy schemes
  • Solar projects under SECI, NTPC, and state nodal agencies
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Role of Manufacturer & Importer in ALMM

Role of Manufacturer
  • Application Submission: Apply to NISE for ALMM enlistment with required documents
  • Testing Compliance: Get modules tested from MNRE-approved laboratories
  • Factory Inspection: Allow NISE officials for factory audit and verification
  • Quality Maintenance: Ensure consistent quality and performance of all supplied modules
  • Renewal: Apply for renewal before ALMM validity expires (typically 2 years)
Role of Importer / Foreign Manufacturer
  • ALMM for Imported Modules: Foreign manufacturers can also apply for ALMM enlistment
  • Authorized Representative: Must appoint an authorized Indian representative
  • Testing in India: Module testing must be done in MNRE-approved Indian labs
  • DCR Restriction: For DCR projects, only domestically manufactured modules qualify
Important Note for Importers:

While foreign manufacturers can get ALMM enlistment, only modules manufactured in India are eligible for Domestic Content Requirement (DCR) projects. Imported modules may only be used in Open Category projects.

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Timeline for ALMM Certification

Step 1
Product Testing
45-60 days

Submit module samples to MNRE-approved laboratory (NISE, TERI, CPRI, etc.) for testing as per IEC/BIS standards.

Step 2
Documentation
15-20 days

Prepare and compile all required documents including manufacturing details, quality management system certificates, and technical specifications.

Step 3
Application Filing
7-10 days

Submit online application to NISE along with test reports and required documents. Pay applicable fees.

Step 4
NISE Review & Inspection
30-45 days

NISE officials review application, verify documents, and conduct factory inspection/audit.

Step 5
ALMM Enlistment
15-20 days

Upon approval, manufacturer and module models are added to ALMM. Total timeline: 4-6 months.

Expedited Processing: With complete documentation and pre-testing, timeline can be reduced to 3-4 months.
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Testing Requirements for ALMM

Mandatory Tests for Solar PV Modules

Electrical Tests

  • • Maximum Power (Pmax) measurement
  • • Current-Voltage (I-V) curve measurement
  • • Temperature coefficient measurement
  • • Low irradiance performance
  • • Insulation resistance test
  • • Wet leakage current test

Reliability Tests

  • • Damp Heat Test (1000 hours)
  • • Thermal Cycling Test (200 cycles)
  • • Humidity Freeze Test (10 cycles)
  • • UV Preconditioning Test
  • • Mechanical Load Test
  • • Hail Impact Test
Approved Testing Laboratories:
• NISE, Gurugram • TERI, New Delhi • CPRI, Bengaluru • ERDA, Vadodara • IIT Bombay • NCPRE, IIT Bombay • VDE India • TÜV SÜD
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ALMM Standards & Requirements

Requirement Specification Standard Reference
Module Efficiency (Mono PERC)≥ 19.5%IEC 61215 / IS 14286
Module Efficiency (Poly)≥ 18.5%IEC 61215 / IS 14286
Power Output Tolerance±3% (Positive only)IEC 61215
PID Resistance≤ 5% degradationIEC 62804
LID (Light Induced Degradation)≤ 2%IEC 61215
Warranty - Performance90% @ 10 years, 80% @ 25 yearsMNRE Guidelines
Warranty - WorkmanshipMinimum 5 yearsMNRE Guidelines
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Importance of ALMM & How It Ensures Quality

Why ALMM is Important?

  • Quality Benchmark: Sets minimum quality standards for solar modules in India
  • Project Performance: Ensures long-term reliability and performance of solar assets
  • Investor Confidence: Builds trust among investors and financial institutions
  • Domestic Manufacturing: Promotes 'Make in India' in solar sector
  • Standardization: Creates uniformity in product quality across suppliers

How ALMM Ensures Quality?

  • Mandatory Testing: All modules must pass rigorous IEC/BIS tests
  • Factory Audits: Regular inspection of manufacturing facilities
  • Performance Monitoring: Ongoing surveillance and market checks
  • Documentation: Complete traceability of materials and processes
  • Enforcement: Penalties for non-compliant modules and manufacturers

Frequently Asked Questions

Q1: Is ALMM mandatory for all solar projects in India?

Q2: Can foreign manufacturers get ALMM registration?

Q3: What is the validity of ALMM registration?

Q4: Is BIS certification required for ALMM?

Q5: What are the fees for ALMM registration?

Q6: Does ALMM apply to solar inverters?

Q7: What happens if non-ALMM modules are used in government projects?

Q8: Can a manufacturer add new models after ALMM enlistment?

Need Help with ALMM Certification?

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