Nexus Energytech Pvt. Ltd. Arvind Karandikar

Individuals Up to 25 kWp Demonstrative Captive Govt. Orgs. Up to 50 kWp Energy usage Captive Demonstrative Industries / Commercial Up to 1000 kWp Grid Interactive Revenue proposition 2 Up to 2004Up to 2011Present

 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 3

 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 4

 PV systems without storage  Roof top installations – high potential all over India 5

Captive system without storage Uses generated energy within the internal grid (off-grid) Saves on energy usage from the utility No extra benefits other than accelerated depreciation Makes sense in increasing industrial tariff scenario Grid export system Exports generated energy fully to the utility grid Limited only by roof area availability, not by own demand Enjoys accelerated depreciation as well as Feed-In-Tariff / preferential tariff 6 ROOFTOP GRID INTERACTIVE SYSTEMS

Captive cum grid export system Only extra energy exported to the utility grid Saves on energy usage from utility No preferential tariff for export or no tariff at all Prime objective is to support internal grid Net metered system Extra energy exported to the utility grid Only net metered energy accounted commercially 7 ROOFTOP GRID INTERACTIVE SYSTEMS

Gandhinagar Rooftop project Madhya Pradesh Rooftop project  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 8

 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 9 Capacity assessment Building project specifications Order by OERC Bidding procedure Execute project

 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 cities in 6 states 10

11 SECI Rooftop Project Tender Results Phase IAllotted Capacity (kWp) Phase IIIAllotted Capacity (kWp) Bangalore2000Palatana1000 Chennai2000Chennai2000 Delhi1000Coimbatore1000 Gurgaon500Chandigadh500 Phase II Delhi1000 Bhubaneshwar / Cuttack 1000Gwalior250 Gurgaon1500Kolkata1000 Hyderabad2000Mumbai1000 Jaipur3250Pune1000 Noida / Greater Noida 1500 Raipur / Naya Raipur2000Total 25,500

 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 12

 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 13

 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 14

Arvind Karandikar Nexus Energytech Pvt. Ltd. Cell: