Anatomy of a Rooftop Solar PV System: How Individual Components Work as One A rooftop solar photovoltaic (PV) system may appear simple from the outside—rows of panels mounted on a roof—but behind this apparent simplicity lies a carefully integrated set of electrical, mechanical, and safety subsystems. Figure 1.9 presents a Read more…
1. Solar Energy Did Not Start as an Industry When solar power is discussed today, the conversation is dominated by scale—gigawatts installed, record-low tariffs, domestic manufacturing capacity, and grid integration challenges. But solar photovoltaics did not originate in boardrooms or policy corridors. It began quietly, in laboratories, as a scientific Read more…
Indoor air quality is no longer just a health metric — it has become a core productivity driver. New research shows that clean indoor air can boost cognitive performance by 8–10%, reduce fatigue, and deliver measurable productivity gains of up to 3% across organizations. Clean air is now recognized as Read more…
Numaligarh Refinery Limited (NRL) partnered with Firstgreen to explore the potential for widespread rooftop solar adoption across its residential township in Assam. The initiative aimed to reduce the refinery’s auxiliary energy consumption by harnessing clean, decentralized solar power across individual homes and shared community facilities. To support this vision, Firstgreen Read more…
Arhyama Solar Power engaged Firstgreen as the Project Management Consultant (PMC) for its 6 MW solar plant in Andhra Pradesh, with a clear mandate—ensure absolute quality at every stage of development. Acting as the owner’s engineer, Firstgreen delivered comprehensive oversight to guarantee that every system, component, and construction activity met Read more…
Firstgreen’s collaboration with Today Energy represents a complete project lifecycle engagement—spanning strategic advisory, financial analysis, and full-scale technical engineering. The partnership began with supporting Today Energy in securing a competitive 60 MW solar bid under JNNSM Phase-II. Firstgreen’s team developed detailed financial models, tariff discovery strategies, and bid optimisation measures, Read more…
The India Habitat Centre (IHC) stands as one of New Delhi’s most prominent cultural and institutional complexes, known for its architectural elegance and continuous public activity. Integrating solar infrastructure into such a prestigious and operational site required precision, sensitivity, and strong technical planning. Firstgreen Consulting undertook a comprehensive feasibility study Read more…
Sudha Bio Power initiated a strategic effort to diversify its renewable energy portfolio by integrating solar PV with its established bioenergy operations. To support this transition toward a hybrid generation model, the company engaged Firstgreen to prepare a comprehensive Detailed Project Report (DPR) evaluating both the technical suitability and commercial Read more…
The Solar Energy Corporation of India (SECI) plays a central role in achieving the nation’s renewable energy ambitions under the National Solar Mission. To support large-scale adoption of rooftop solar across government buildings and public infrastructure, SECI partnered with Firstgreen Consulting as its technical advisor. The objective was to create Read more…
The Dharmanagar Solar Farm, comprising Phase I and Phase II with a combined capacity of 25 MW, represents a pivotal initiative to expand utility-scale renewable energy in Northeast India. To support this strategic regional development, the Tripura state utility engaged Firstgreen to provide comprehensive engineering and tendering services, ensuring the Read more…