Greentek Solar Insights

Expert insights on solar technology, project updates, and renewable energy trends from our 25+ years of experience

Solar Thermal vs Solar Photovoltaic for Industrial Process Heating: Efficiency and Investment Perspective

Solar Thermal vs Solar Photovoltaic for Industrial Process Heating: Efficiency and Investment Perspective

Industrial heating is energy-intensive—choosing the right solar technology can change that. Solar thermal and PV offer different paths, but their efficiency and investment impact vary significantly.

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5kW Solar System Price in India with Subsidy (2026): The Complete Cost Breakdown

5kW Solar System Price in India with Subsidy (2026): The Complete Cost Breakdown

A 5kW rooftop system costs about ₹2.9–3.4 lakh in 2026 — roughly ₹2.1–2.6 lakh after the ₹78,000 subsidy. Full cost breakdown, generation and payback.

How to Apply for PM Surya Ghar (2026): Step-by-Step Guide

How to Apply for PM Surya Ghar (2026): Step-by-Step Guide

Register, get DISCOM feasibility, pick a registered vendor, install, net-meter, and the Rs 78,000 subsidy lands in your bank. Every step explained, including where applicants get stuck.

TGSPDCL Net Metering in Telangana (2026): Process and Timeline

TGSPDCL Net Metering in Telangana (2026): Process and Timeline

Net metering turns the grid into your battery. Here is how it works with TGSPDCL in Hyderabad and Telangana - the bi-directional meter, the process, and realistic timelines.

3kW Solar System Price in India with Subsidy (2026): The Complete Cost Breakdown

3kW Solar System Price in India with Subsidy (2026): The Complete Cost Breakdown

A 3kW rooftop system costs about Rs 1.9-2.2 lakh installed, and roughly Rs 1.12-1.42 lakh after the Rs 78,000 PM Surya Ghar subsidy. Here is where every rupee goes.

How PM Surya Ghar is Raising Quality Standards in Rooftop Solar

How PM Surya Ghar is Raising Quality Standards in Rooftop Solar

As rooftop solar adoption accelerates, quality and consumer protection are becoming critical. PM Surya Ghar is introducing stronger measures to ensure better installations and service.

Solar Monitoring & SCADA Intelligence | Greentek India & Green Sage AI

Solar Monitoring & SCADA Intelligence | Greentek India & Green Sage AI

Greentek India Limited invests in Green Sage AI to advance solar monitoring, SCADA intelligence, BESS integration, and energy AI for utility and C&I solar assets.

Battery Energy Storage (BESS)

Battery Energy Storage (BESS)

Short-term power demand spikes can lead to penalties and increased costs. Battery Energy Storage Systems (BESS) offer a smarter, cost-effective alternative for industrial power management.

PM Surya Ghar Yojana: How to Get Free Solar Power for Your Home in India

PM Surya Ghar Yojana: How to Get Free Solar Power for Your Home in India

PM Surya Ghar Yojana helps homeowners install rooftop solar with subsidies up to ₹78,000—reducing electricity bills and enabling long-term energy savings.

Greentek Vasistron

Greentek Vasistron

As rooftop solar scales in India, structural quality becomes critical. Greentek Vasistron marks a strategic step toward building reliable, high-performance solar infrastructure.

Reduce Boiler Fuel Costs Without Capex

Reduce Boiler Fuel Costs Without Capex

Boiler fuel costs are rising and unpredictable. Solar thermal on an OPEX model offers industries a way to reduce energy costs—without any upfront investment.

Solar Thermal Technologies Explained: FPC, ETC, Heat Pipe & Reflector Systems for Industrial Applications

Solar Thermal Technologies Explained: FPC, ETC, Heat Pipe & Reflector Systems for Industrial Applications

Solar thermal technologies offer the most efficient way to generate heat from sunlight. From FPC to ETC and reflector systems, each technology serves distinct industrial heating needs.

Centralised Solar Monitoring for EPCs: Cost Savings, Scalability & Profitability

Centralised Solar Monitoring for EPCs: Cost Savings, Scalability & Profitability

Managing thousands of rooftop systems manually is inefficient. Centralized solar monitoring is becoming essential for EPCs to reduce costs, improve performance, and scale profitably.

PM Surya Ghar Scheme: Time Is Ticking – A Defining Opportunity for Indian Households

PM Surya Ghar Scheme: Time Is Ticking – A Defining Opportunity for Indian Households

March 31, 2027 may seem far away—but the window to act is already closing. The PM Surya Ghar scheme is a rare opportunity to secure long-term energy savings before demand and timelines tighten.

Open Access Opportunity

Open Access Opportunity

What if your biggest energy cost could become a strategic advantage? Open access is reshaping power procurement in India—unlocking cleaner energy, lower costs, and greater control through evolving sta

 Introduction to Green Sage: The Next Evolution in Solar Performance Intelligence

Introduction to Green Sage: The Next Evolution in Solar Performance Intelligence

Solar is no longer just about installation. It’s about maximizing performance. Green Sage transforms raw data into actionable insights—helping operators detect issues early, reduce losses, and make sm

Greentek Journey: 30 Years of Solar Innovation Powering a Sustainable Future

Greentek Journey: 30 Years of Solar Innovation Powering a Sustainable Future

In an era where renewable energy is no longer optional but essential, companies that combine experience, innovation, and execution excellence stand apart. Greentek is one such organization.