sun edison

DIVERSIFYING YOUR SOLAR BUSINESS THROUGH

INNOVATIVE ROOF-TOP SOLUTIONS

Manu KaranDistributed Generation Biz. Dev. Head

2

Top: 25 MW, Solar Park, Charanka, Gujarat Bottom: Narmada Canal 1 MW, Gujarat, India

Top: 72 MW Plant in Italy Bottom: 350 kWs Kohls Rooftop Installation

SunEdison

First Private Solar Rooftop PPA in India – 100 kW at StanC

� First Rooftop Solar Private PPA in India (Standard Chartered Bank, Chennai)

� Thin Film PV Modules with Fixed Tilt

� Elevated Structures were used to ensure roof usage is not curtailed

� Central Inverter

SunEdison

Education Institutes – 50kW at Shivalik Public School

� Rooftop Installation at Shivalik Public School, Punjab

� MonoCrystalline Modules

� Fixed Tilt

� String Inverters

Distributed Solar Energy is a Key Feature of Developed Solar Markets

SunEdison

Source: Federal Network Agency, BSW-Solar (2011)

Solar Energy Generation Peak Coincides with Afternoon Demand Peak

SunEdison

Solar Energy Generation Vs. Office Demand

Energy Demand

Solar Energy Generation

SunEdison

Actual Peak Load Shavings from one of our solar power plants

Plant Size – 1.16 MWp in California, US

Peak Load Shaving, A Case in Point

Grid / Diesel Genset 1

Diesel Genset 2

Hurdles to Adoption

� Subsidy turn-around time / uncertainty

� Upfront Large Capital Investment

� Roof-top usage for other purposes

� Limited free Roof-top Space

Roof-top Solar Solution Innovation

� Business Model Innovation

• Non-subsidy System Sale

• Energy Sale

• Multiple Customer Energy Sale

� Mounting Structural Innovation

• Car Park roofing

• Elevated Semi-Roofing on terrace

Business Model Innovation

Subsidy & Non-Subsidy business models

SunEdison

Economics of a System Sale

SunEdison

* Depends on parameters such as level of irradiation, tilt & type of installation

COMMERCIAL SUMMARY : 100 kW SPV POWER PLANT

Description With Subsidy Without Subsidy

Cost of 100kW System Rs 130 Lakhs Rs 117 Lakhs

Effective Cost to Customer Rs 61.47 Lakhs Rs 79.03 Lakhs

Operation & Maintenance cost Rs 2.5 Lakhs (5% YoY increase) Rs 2.5 Lakhs (5% YoY increase)

System Life 25 Years 25 Years

Calculated Cost per unit

of electricity generated~ Rs 7.5* ~ Rs 8.5*

Rs. 13 - 16

Diesel Genset

Cost Comparison : Solar V/s Diesel Generator

SunEdison

Payback Summary

Diesel Price Rs40 / litre (5% yoy inflation)

Liters of Diesel required to produce equivalent units (kWh) 53333 litres

Payback Period3 Years (with capital subsidy)

5 Years (without capital subsidy)

Investment in Solar PV will result in Payback in 5 Years and almost Free Electricity for 20 More Years !!!

Economics of Energy Sale

SunEdison

With SubsidyWithout

Subsidy

System Sale

(Energy Cost)~ Rs 7.5 ~ Rs 8.5

Energy Sale ~ Rs 8.5 ~ Rs 9.5

16%

Investor

IRR

Multiple Customer Energy Sale

Apartment Block

Apartment #2

Apartment #4

Apartment # 1

Apartment #3

PV Panels

• Owner: Builder

• Location: Rooftop

Inverter, Battery

• Owner: Resident

• Location: Apartment

15

Structural Innovation

Parking Lot Canopy

SunEdison

Yet low cost

SunEdison

Commercial & Residential Building structures

SunEdison

(Not a SunEdison installation)

SunEdison

Think Different

Think Big

Manu KaranDistributed Generation Biz. Dev. Head

mkaran@memc.com

HT Customers : Pain Points

TNEB’s New Regulations on HT Customers:

� Reduction in sanctioned load by 40%– 60%

• Eg. 1000kVA sanctioned load, reduced to

400kVA quota

� 2 days of power holiday per week

� Restricted usage between 6PM to 10PM

(unless purchased from power exchange)

� Significant cutback of total number of units

(kWh) to be consumed

� Heavy Penalties for non compliance

SunEdison