Solar Advisory services
Powering the Net-Zero Transition

Feasibility Studies & DPRs
Our team conducts detailed site assessments, energy yield analysis, and techno-commercial feasibility to ensure every project is bankable and optimised.

Solar Design & Engineering
We deliver electrical, structural, and civil designs for rooftop, ground-mounted, and floating solar systems, aligned with IEC and CEA standards.

Owner’s Engineering & PMC
Acting as your technical representative, we oversee project execution, quality assurance, and commissioning — ensuring performance.

Tariff & Regulatory Advisory
We support developers, DISCOMs, and regulators in tariff benchmarking, power purchase agreements, and open-access policy development.

Performance Audits
Our performance audits identify technical bottlenecks, ensure efficient operation, and maximise solar generation throughout the asset life cycle.

Hybrid & Floating Solar
Combining hydro and solar expertise, we design floating and hybrid solar systems to enhance generation while optimising land and water use.
Integrated Expertise, Global Reach
Customisable Solutions
Tailored consulting for utility-scale, rooftop, hybrid, and floating solar systems.
Quality & Safety First
Strict adherence to IEC, MNRE, and CEA standards in every stage of design and execution.
Data-Driven Approach
Advanced simulation tools and financial modelling enable data-backed insights.
End-to-End Support
From concept to commissioning, we act as your long-term technical partner.
Comprehensive Solar Consulting Services
For over 15 years, Firstgreen Consulting has led the renewable energy transition through data-driven and technically sound solar advisory. We support corporates, developers, and governments in planning, designing, and implementing solar projects that maximise generation, optimise capital investment, and ensure regulatory compliance.
Our services span the full project lifecycle — from initial feasibility to post-commissioning performance audits. With a portfolio exceeding 1 GW of solar projects across India, Bhutan, Nepal, and Africa, we bring unparalleled expertise in engineering, economics, and sustainability.
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FREQUENTLY ASKED QUESTIONS ABOUT 100kW COMMERCIAL ROOFTOP PV SYSTEM
Question 1: How much does a 100kW commercial solar PV system cost? Answer: A 100kW rooftop system mainly comprised of different components made…
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What is Mono-PERC solar technology?
The Mono PERC solar technology is recognised into activity by many solar manufacturers. PERC stands for Passivated Emitter and Rear Cell.…
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5 KEY CONSIDERATIONS IN SOLAR INVERTER SELECTION
Solar inverter is the heart of a solar system as it converts DC electricity into AC electricity. Typically apart from PV…
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Learn to Make a SOLAR STILL
A solar still distills water, using the heat of the Sun to evaporate, cool then collects the water. There are many types of solar still, including…
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The Sun Reigns
The International Solar Alliance (ISA) came a complete circle at CoP23, Bonn, since its inception at CoP21 in Paris in 2015.…