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Progression of Rooftop PV Projects in India: Milestones and Future Insights

Explore the evolution of rooftop photovoltaic (PV) projects in India from 2004 to the present, highlighting significant phases and challenges. Initially faced with high capital costs and low awareness, the sector has transformed with increasing stakeholder participation and financial backing. Recent initiatives focus on grid-interactive systems and net metering, projecting a promising future for solar energy. Key government projects in various states illustrate the momentum gained. Understand how policy shifts and technological advancements are shaping the rooftop PV landscape in India.

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Progression of Rooftop PV Projects in India: Milestones and Future Insights

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  1. INDIAN EXPERIENCE IN ROOFTOP PV PROJECTS Nexus Energytech Pvt. Ltd. Arvind Karandikar 9011061710 arvind@nexusenergy.in

  2. Progression of Rooftop PV in India Up to 2004 Up to 2011 Present

  3. First two phases ……. • High capital costs • Negligible awareness about PV • Did not make economic sense • Basic aim of proof of concept • Recurrent replacement costs • Availability of subsidy • Smaller project sizes; hence low capital • Limited decision makers – the owner of system • Nil / Low emphasis on optimum output

  4. Present phase • Large number of stakeholders; and so, decision makers • High investments – necessity of convincing financing institutes • Low quality work can mar the project profitability • Low knowledge levels – entry of all types of operators • Makes economic sense • Revenue guaranteed for many years (in most cases) • Can avoid battery; thereby reducing recurrent costs

  5. Today’s focus • PV systems without storage • Roof top installations – high potential all over India

  6. PROJECT TYPES - PV ROOFTOP GRID INTERACTIVE SYSTEMS

  7. PROJECT TYPES - PV ROOFTOP GRID INTERACTIVE SYSTEMS

  8. Two rooftop projects by governments • One city – 5 MW • 4 MW on government buildings; 1 MW on private • Tariff based bidding to identify developer • Investment by developer and incentive to roof owners • Private utility as power purchaser at the tariff • Three cities – 5 MW • Only government buildings • Bidding based on tariff and capital cost • Tariff capped at MP state rate of ground mounted • 30% Capital subsidy by MNRE • No incentive / rent to roof owners • State utility as purchaser Gandhinagar Rooftop project Madhya Pradesh Rooftop project

  9. Odisha Rooftop Project • 5 MW in two cities • Government buildings • Net metering • Cap on capacity of all systems in one DTR • Cap also due to maximum monthly energy requirement of each metered customer

  10. SECI Rooftop Program • May 13 – Phase I • September 13 – Phase II • February 14 – Phase III • March 14 – Phase IV – RFS • Part A – 40 MW – Owner / Capex model – Cap cost based bidding with 30% subsidy – Cap on Capex Rs. 90 / Wp – 40 cities in 21 states • Part B – 10 MW – RESCO model – Tariff based bidding with fixed subsidy – Cap on tariff Rs. 6.75 - 14 cities in 6 states

  11. SECI Rooftop Program

  12. Examples • Factories like Larson & Toubro, Mercedez Benz, Nalco and so on • Developers like Sukam, Tata Power Solar, etc. • Karnataka, Tamil Nadu, Andhra Pradesh, Kerala have announced rooftop programs • DMRC rooftop project on metro station • Various municipal corporations across India have initiated projects • Various banks on rural branches

  13. New Initiatives • Tax sops for individual roof owners? • Roof identification as an independent business • Regulations being framed for net metering – FOR, DERC, TNERC, other SERCs • Railways thinking on large rooftop PV plants • Warehousing Corporation • Food Corporation of India • Rooftop solar power tool being developed by TERI

  14. SUMMARY • Increasing Focus on (grid interactive) Rooftop PV • A Definite future of solar in India • Attracting public participation • Just the beginning – policy, regulatory, utility and public awareness, financial backing, technology at component level • Net metering and reduced cost of solar power –most influential factors deciding future of rooftop in India

  15. Thank you….. Arvind Karandikar Nexus Energytech Pvt. Ltd. Cell: 90110 61710

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