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Operation & Maintenance (O&M)

Your Machines,
Our Responsibility

NGSL delivers comprehensive Operation & Maintenance (O&M) services across thermal, solar, and emission control systems, managing over 4 GW of installed capacity across India. Our approach is built on ownership-driven execution, ensuring plant availability, efficiency, and regulatory compliance through structured KPI monitoring.

We leverage the combined expertise of NTPC and GE to deliver world-class O&M solutions, supported by strong engineering practices, advanced tools, and a highly skilled workforce.

Performance Driven O&M

4+ GW O&M Portfolio

Managing over 4 GW of power assets with proven operational excellence and reliability.

Pan India Presence

Delivering reliable O&M services across key power hubs nationwide with strong execution capability.

KPI-Based Execution

Driving performance through structured, data-driven KPI management.

Skilled Workforce

Driven by expert teams and standardized systems to ensure consistent operations.

NGSL delivers KPI-driven Operation & Maintenance services across Thermal Power Plants, Solar Power Plants, and FGD systems, ensuring optimal performance, regulatory compliance, and long-term asset sustainability.

Thermal Power Plants O&M

Comprehensive O&M services for coal-based thermal power plants covering complete plant operations, maintenance, and performance optimization.

Key Capabilities:

  • Boiler, Turbine & Generator (BTG) operations
  • Balance of Plant (BOP) management
  • Coal & Ash Handling Systems (CHP/AHP)
  • Heat rate & efficiency optimization
  • Outage planning & execution
  • Load dispatch & control room operations

Ensuring maximum plant availability, reduced downtime, and consistent generation performance.

Solar Power Plants O&M

End-to-end O&M solutions for utility-scale solar plants focused on maximizing energy generation and system reliability.

Key Capabilities:

  • Module cleaning & preventive maintenance
  • Inverter & SCADA monitoring
  • Real-time performance tracking
  • Fault detection & quick resolution
  • Energy yield optimization

Maximizing energy output and ensuring long-term plant efficiency.

FGD Systems O&M

Specialized O&M services for Flue Gas Desulphurization (FGD) systems ensuring environmental compliance and emission control.

Key Capabilities:

  • Operation of emission control systems
  • Slurry, limestone & chemical handling
  • Continuous monitoring systems
  • Maintenance of critical components
  • Compliance with environmental norms

Ensuring emission compliance and sustainable plant operations.

Our O&M Approach

A structured, performance-driven methodology to upgrade efficiency, reliability, and compliance across power assets.

1

Technical Evaluation

Detailed diagnostics to identify performance gaps and optimization opportunities.

2

Customized Solutions

Tailored retrofit strategies designed for efficiency and reliability enhancement.

3

Planned Execution

Structured implementation ensuring minimal downtime and seamless integration.

4

Standards Compliance

Execution aligned with latest regulatory and industry standards.

5

Performance Validation

Continuous monitoring and validation to ensure sustained performance improvement.

Looking to Upgrade Your Power Assets?

Consult our specialists for performance-driven upgrades.