INDIAN EXPERIENCE IN ROOFTOP PV PROJECTS

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