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Solar Resource Library

Solar Industry & Regulatory Glossary Policy & Generation Terms

Understand governmental solar policies, net metering norms, discom regulations, and solar power purchase parameters in India.

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Key Terms
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Categories
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ALMM (Approved List of Models & Manufacturers)

Solar Industry & Regulatory

A registry issued by the Ministry of New and Renewable Energy (MNRE) in India containing solar module models and manufacturers approved for government-linked projects.

Why It Matters

Project developers must source panels from the ALMM list to remain eligible for net metering approvals and central government subsidy benefits.

CUF (Capacity Utilization Factor)

Solar Industry & Regulatory

The ratio of the actual energy generated by a solar plant over a year to the energy it would have generated had it operated at full rated capacity continuously for 24 hours a day.

Why It Matters

Since solar plants cannot generate at night, typical solar CUF in India ranges from 17% to 22%. A higher CUF indicates superior plant design and maintenance.

DISCOM (Distribution Company)

Solar Industry & Regulatory

The public or private utility company responsible for local power distribution, net metering approvals, and grid connections in a specific region.

Why It Matters

Obtaining early Feasibility Approval from the local DISCOM is a mandatory first step before initiating commercial solar installations.

A utility billing mechanism that allows solar owners to export surplus solar electricity to the utility grid, receiving credits that offset energy drawn from the grid during nights.

Why It Matters

Net metering significantly shortens the payback period of residential and commercial rooftop solar installations by converting excess daytime power into utility bill credits.

RPO (Renewable Purchase Obligation)

Solar Industry & Regulatory

A regulatory mandate requiring electricity distribution utilities (DISCOMs) and large open-access consumers to purchase a minimum percentage of their electricity from renewable energy sources.

Why It Matters

RPO targets drive industrial solar adoption, as compliance-bound factories and commercial parks lease open-access solar power to meet regulatory quotas.

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