ACHIEVING SUSTAINABILITY THROUGH HIGH IMPACT ENERGY EFFICIENCY:SOLAR ROOFTOP ACHIEVING GRID PARITY

- Anmol Singh Jaggi

Sustainability

Economy

Sustainability

Equity Ecology

According to the Webster definition

•Involving methods that do not completely use up

or destroy natural resources•Able to last or continue for a long time

Energy Efficiency

Have skylights & right orientation in building

Reduce Plug in Loads as they are controllable.

Replace Boilers / Furnaces with new versions

Have better ventilation / air conditioning

Energy Efficiency

Have skylights & right orientation in building MostHow do you do that in an Existing Building?

Reduce Plug in Loads as they are controllable. Solutions AreHow easy is it to control the natural habits of your team members?

Replace Boilers / Furnaces with new versions Incomplete OrWhat about the Loan you had taken to install the existing one?

Have better ventilation / air conditioning Not MeasureableCan your 12 year old calculate the savings involved?

Introducing Solar

InstallAnywhere

Limitless MeasurablePotential Impact

Cap the CustomizePower Cost to Needs

Introducing Solar

InstallAnywhere

The Only Way to Is to

Assured MeasurableAvailability Impact

REDUCE REPLACE

Electricity permanently Electricity permanently

Cap the CustomizePower Cost to Needs

Provisions of the Companies Bill Relating to CSR

Under the Section 135 of new CompaniesAct, 2013, passed by Parliament in August2013, profitable companies must spendevery year at least2 per cent of theiraverage net profit over the precedingthree years on CSR works. Thismandatory CSR-spend rule will apply fromfiscal 2014-15 onwards. Those companiesthat have a turnover of Rs. 1,000 crore ormore or net worth of Rs. 500 crore ormore or net profit of Rs. 5 crore or more

will have to comply. As per Schedule VIIensuring environmentalsustainability may be

included by companies intheir Corporate SocialResponsibility Policies.

Why Rooftop?

• Andhra Pradesh• Tamil Nadu

• Kerala

Policy &Regulatory

Support

TechnicallyFeasible

• Well ProvenTechnology

• EasyInstallation

• AcceleratedDepreciation

Benefit• Net Metering

FinancialViability

IncreasedAssuranceon Power

Supply• 25 Years

Warranty

Solar Rooftop Overview

1 kW of Solar Panel:

• Generates 4 units in a day

• Requires 12 sqm of shadow free

rooftop space for installation

• The Panels come warrantied for 25

years

Matrix of operating scenarios Equipments/Services Cost 100 kWSystem (Rs.)

SUPPLY TO

BATTERY SUPPLY TO LOAD BATTERY Modules (Vikram/Waaree/ Reputed) 41,00,000

TIME GRID STATUS

ChargedAvailable

DischargedDayNot Charged

Solar Battery Grid Solar Grid

Rooftop Rooftop

X X X

X X

X X X

Inverter ( Danfoss/ Delta/ Reputed) 10,00,000

Structure (Hot dip galvanized iron) 6,00,000

Electrical & Civil Works 7,00,000

Available Discharged X X X XCables ( Any reputed) 1,00,000

Charged X X X X Combiner Box 1,00,000Available

Discharged X X X Design & Engineering 2,00,000Night

Not Charged X X X X Contingency & Contractor Margin 5,00,000

Available Discharged X X X X X Total 73,00,000

On Grid system SLD

Off Grid System SLD

Net Metering

It is an incentive program to encourage customers to install distributed generation- Customers offset own electricity usage

- Customers are compensated for any electricity they generate and don’t use

Week 1 Mon Tues Wed Thurs Fri Sat Sun

SOLAR GenerationProduced from the

Solar System

Consumed from GridConsumption

Consumed from Solar System

Export to GridExtra

Week 2 Mon Tues Wed Thurs Fri Sat Sun

SOLAR GenerationProduced from the Solar System

Week 1 Credit Consumed from GridConsumption

Consumed from Solar System

Export to GridExtra

Net Metering: Case Study Schools

Working Months

Solar System Electricity Usage Charged forProduces 10,000 units 50,000 units 40,000 units

Vacation Months

Solar SystemProduces 10,000 units

Education SeasonalInstitutes Industries

Electricity Usage2,000 units

Warehouse

8,000 unitscredited

SoftwareParks

State: Andhra Pradesh (Commercial & Industrial)

Key AssumptionsIRR Comparison

Variables:

Accelerated depreciation included

Accelerated depreciation excluded 21.63%

Capital Cost

Plant Load Factor

Loan Terms

Debt: Equity

Rate of Interest

Tenure of Loan

O & M

COD

Rs.73,000/kW

19%

100% Domestic loans

70:30

13.0%

7 years

Rs. 9 Lac/MW escalation @ 5.72%

31-Mar-14

18.65%

16.48%14.42%

Cost of Diesel consumption Rs14/kW

Power cut /day 2 hrs

State Andhra Pradesh

Category Industrial / Commercial

Tariff Rs 5.70/kWh / Rs 6.50/kWh

Blended rate Rs. 7.36/kWh / Rs 8/kWh

IndustrialCommercial

State Focus: Tamil Nadu (Commercial & Industrial)

Key Assumptions

Variables:

Accelerated depreciation included

Accelerated depreciation excluded

IRR Comparison

22.50%

Capital Cost

Plant Load Factor

Loan Terms

Debt: Equity

Rate of Interest

Tenure of Loan

O & M

COD

Rs.73,000/kW

18.5%

100% Domestic loans

70:30

13.0%

7years

Rs. 9 Lac/MW escalation @ 5.72%

31-Mar-14

17.10%17.06%

13.33%

Cost of Diesel consumption Rs14/kW

Power cut /day 2hrsIndustrial

Category Industrial/Commercial Commercial

Tariff Rs5.50/kWh/Rs 7.00/kWh

State Focus: Karnataka (Commercial & Industrial)

Key Assumptions

Variables:

Accelerated depreciation included

Accelerated depreciation excluded

IRR Comparison

21.37%Capital Cost

Plant Load Factor

Loan Terms

Debt: Equity

Rate of Interest

Tenure of Loan

O & M

COD

Rs.73,000/kW

18.50%

100% Domestic loans

70:30

13.0%

7 years

Rs. 9 Lac/MW escalation @ 5.72%

31-Mar-14

17.10%

16.30%

13.33%

Cost of Diesel consumption Rs14/kW

Power cut /day 2hrs

Category Industrial/CommercialIndustrial

Commercial

Tariff Rs5.50/kWh / Rs 6.70/kWh

State Focus: Maharashtra (Commercial & Industrial)

Key Assumptions

Variables:

Accelerated depreciation included

Accelerated depreciation excluded

Capital Cost Rs.73,000/kW

Plant Load Factor 18%

IRR Comparison

32.87%

21.43%23.61%Loan Terms 100% Domestic loans

Debt: Equity 70:30

Rate of Interest 13.0%

Tenure of Loan 7 yearsR

s. 9 Lac/MW escalation @O & M

5.72%

COD 31-Mar-14Cost of Diesel consumption Rs14/kW

Power cut /day 2 hrs

Category Industrial / Commercial

Tariff Rs7/kWh / Rs 9.80/kWh

16.34%

IndustrialCommercial

1 kW Rooftop System

Solar Rooftop

Lifetime Cost (10 Years)Daily electricity generation (kWh) 4

Deration in generation during first 2 years 1.50%

Deration from the 3rd year 0.70%

Cost of the 1 kW solar rooftop system (INR) 1,45,000

Diesel Genset

Cost of the 1 kVA Diesel Genset (INR) 17,000

Cost of diesel (INR/litre) 54

specific energy consumption of this DG set (kWh/litre) 3.5

Grid Tariff (at present) 5.5

Annual Escalation in tariff 5%

Lifetime of DG set (years) 7

Inverter with Battery

Cost of the 1 kW inverter system (INR) 50,000

Battery back up (hours) 4

in lakhs

2.33

1.68

1.48

Solar DG Set InverterRooftop with

Battery

Case Study: Residential & Small Commercial

Name: 12 kW Solar Rooftop Off Grid ProjectType of Load: Residential Load

Name of Client: Pratiman TextilesLocation: Surat, Gujarat

• The Client wanted to operate majority of its loadincluding Air Conditioners, television and other gadgetson Solar with an adequate power backup.

• Aesthetics were of particular importance to the owner aswas the system reliability.

• Gensol invested in additional electronic equipment to beable to operate delicate and expensive residentialequipment and further, gave the finishing reserved forhigh end hotels.

Case Study: Residential & Small Commercial

Name:5 kW Solar Rooftop Off Grid Solar ProjectType of Load: Commercial Load

Name of Client: Sikar Sahakari BankLocation: Sikar, Rajasthan

• Situated in rural Rajasthan, the Sahakari Bhoomi VikasBank suffered from frequent power cuts.

• Gensol constructed the system to power the mostcritical loads at the bank.

Case Study: 1 kW Residential

Name of Project: 10,000 Residential Rooftop Solar Off-Grid Power Plant Program

ANERT Project by Govt. of Kerala.Aesthetically designed kit with no separate civilstructures for residential load

Module capacity 1000 Wp

Inverter/PCU 1000kVAcapacity

Battery technology VRLA or Tubular Gel

Battery storage 5400Wh 7200Wh 12000Wh

capacityBack up in hours 4 6 9

Case Study: Commercial (Large Rooftops)

Name: Solar Rooftop Grid Tied 100 kW VVITCollege

Type of Load: Commercial LoadName of Client: VVITLocation: Guntur, Andhra Pradesh

• VVIT is engineering college at Guntur inAndhra Pradesh.

• In order to reduce their electricity billsand gain energy security, VVIT appointedGensol to execute one of the largestsingle rooftop project in the region.

• The project has been commissioned andis now generating more than 450 unitsper day

Case Study: Commercial (Large Rooftops)

Name: Solar Rooftop Grid Tied 130 kWType of Load: Commercial LoadName of Client: NIMS HospitalLocation: Trivandrum, Kerala

• NIMS is renowned hospital in Kerala built under theauspices of Noorul Islam Educational Trust.

• NIMS appointed Gensol to execute by far the largestrooftop project in Kerala. Notably, the Hospitalmanagement plans to run its critical processes on solarpower.

• The project is under construction and is scheduled tobe commissioned by November end.

About Gensol

Gensol, an ISO 9001:2008 certified company is a pioneer inSolar Power Advisory and Project Execution. Gensol is anadvisor to 800MW+ commissioned or under constructionSolar PV Projects and has a cumulative portfolio of morethan 1 MW of rooftop solar power plants under execution.

360o Clean Energy Solutions:

• Solar Advisory & Project Execution

• Carbon Advisory & Trading

• Renewable Energy Certificate Advisory & Trading

• Power Trading

About Gensol

Few Facts:

• 30+ Trained Team - all Graduates and Post Graduates in

Energy and Environment

• 800 MW+ Solar Power Projects under advisory

• 1 MW+ Solar Rooftop Projects under Execution

• Recipient of multiple awards including Business World Hottest

Young Entrepreneur and Economic Times Power of Ideas.

Quoted In:

Business Dailies: Business Standard | Economic Times Business

Magazines: Business India | Forbes India

Industry Journals: Power Line | Energetica | EQ International

Empanelled With:

Ministry of New & Renewable Energy

ANERT, Kerala (10,000 solar rooftops program)

Central Bank of India, PTC Project Financial Services, PFC,

L&T Infra Finance & Other Banks

Solar Advisory & EPC Services

Owner’s Engineer:

As Owner's Engineer, we guide our clients or investors through the complete process of project feasibility, financial closure, bid process

management, vendor finalization and supervision of project execution up till successful project commissioning which meets our strict

quality criteria.

Lender’s Engineer:Being consultants to some of the leading lending institutions in the country, we assess the key parameters impacting the returns from the

project like generation, cost and conditions of the EPC Contract, preparedness of Project Developer for execution etc.

Detailed Engineering and Vetting of Drawings:Gensol Solar Division is staffed with experienced Electrical, Electronics, Mechanical and Civil Engineers who undertake detailed

engineering of Solar PV Power plants on behalf of EPC Contractors and vetting of drawings for Project Developers and investors.

Permits & Clearances:It takes more than 32 permits and clearances from Nodal Agencies, District Authorities, Distribution and Transmission Companies etc.Gensol has an experienced liasoning team well aware of process and people to acquire these permits in time and in sequence.

Detailed Project Report:

A Detailed Project Report is one of the most important documents to assess the feasibility of project and to get financial closure. Gensol

with its sector expertise and established standing in the renewable energy consultancy not only gives the most exhaustive analysis of the

project but also enjoys the confidence of industries, investors and banks alike.

Solar EPC Services

Gensol, being a channel partner of Ministry of New and Renewable Energy (MNRE) has attained amongst the highest

allocation of subsidies for the Solar Rooftop Projects on account of its superior engineering, standardized procurement and

quick execution. Gensol has executed projects in the range of 1 kW powerpacks to 100 kW single rooftop power plants.

Advisory Experience Snapshot

Gensol is among the leading consultants to ProjectDevelopers, Financial Institutions and Investors. Total

portfolio of Solar Power Projects commissioned or underconstruction under advisory at Gensol is more than 800 MW.

Owner’s Engineer:• 33 MW - Sterling & Wilson, Rajasthan

• 25 MW - Alex Astral Solar Power Ltd., Gujarat

• 20 MW - Essel Infraprojects, Maharashtra

• 17 MW - Sunrays Power Solutions, Rajasthan

• 15 MW - NALCO, Orissa

• 6.5 MW - Haryana Power Generation Corporation Ltd,

Haryana Govt Enterprise

• 10 MW - Ghodawat Group, Rajasthan

• 5 MW - Konark Group, Gujarat

• 5 MW - Alex Spectrum Radiation Pvt Ltd, Rajasthan

• 3 MW - Par Solar, Rajasthan

• 1 MW - Agarwal Infratech Ltd, Gujarat

• 350 kW - Mapro Foods Pvt Ltd, MaharashtraDetailed Designing & Design Vetting

• 20 MW - Client Confidential, Gujarat

• 8.5 MW - Jain Irrigation, Maharashtra

• 5 MW - ABB Ltd, Gujarat

• 1 MW - L&T ECC Division, Rajasthan

• 2 MW - R V Akash Ganga, Uttarakhand

Lender’s Engineer:• 50 MW - Welspun Energy Ltd, Rajasthan

• 25 MW - Sun Edison, Gujarat

• 20 MW - PLG Power, Gujarat

• 15 MW - MI Mysolar 24, Gujarat

• 15 MW - Dreisatz Mysolar 24, Gujarat

• 10 MW - Greeninfra Solar, Gujarat

• 10 MW - Millenium Synergy, Gujarat

• 6.5 MW - Sun Group, Gujarat

• 6 MW - Indiabulls Power, UP & Maharashtra

• 5 MW - ESP Urja, Gujarat

Feasibility Analysis & DPR:• 20 MW - Sai Sudhir Energy, Andhra Pradesh

• 10 MW - Sai Sudhir Energy, Karnataka

• 5 MW - Chemtrol Industries, Rajasthan

• 2 MW - Shri Bhagirathi Textiles Ltd, Maharashtra

• 15 MW - Boyance Infrastructure, Rajasthan

• 5 MW - Sattva Salarpuria Group, Karnataka

• 3 MW - MWP Energy, Karnataka

• 1 MW - NIT Hamirpur, Himachal Pradhesh

Experience Snapshot

Gensol is among the forefront of Solar Rooftop executionwith more than 1 MW as its clientele ranging from 1 kWpower packs upto 130 kW single rooftop power plants.

Advisory:• 163 MW Grid Connected Gujarat

• 129 MW Grid Connected Rajasthan

• 35 MW Grid Connected Maharashtra

• 18 MW Grid Connected Karnataka

• 15 MW Grid Connected Odisha

• 6.5 MW Grid Connected Haryana

• 2 MW Grid Connected Uttarakhand

• 2 MW Grid Connected Uttar Pradesh

• 1 MW Grid Connected Himachal PradeshExecution:

• 130 kW Rooftop Grid tied Kerala

• 100 kW Rooftop Grid tied Andhra Pradesh

• 92 kW Grid Tied & Off Grid Gujarat

• 20 kw Grid Tied & Off Grid Delhi

• 5 kW Off Grid Rajasthan

• 2 kW Off Grid Uttar Pradesh

• Empanelled with ANERT, Kerala for 10,000 Rooftops

Solar Program

Gensol Engineering Pvt Ltd | Gensol Consultants Pvt Ltd

Corporate Office108, Pinnacle Corporate ParkPrahalad Nagar

Ahmedabad - 380015Gujarat, India

Email: solar@gensol.inWebsite: www.gensol.inPhone: +91 79 40068235Fax: +91 79 40068239Twitter: gensol_tweets

Gensol is one of the leading consultants and system integrators for Solar Power Plants. We boast of a portfolio of over 800

MW of Solar Photovoltaic Plants. Gensol is also a channel partner to Ministry of New & Renewable Energy and installs kW

scale Solar Rooftop systems on a turnkey basis with more than 1 MW of cumulative installations across the country.

The information contained herein is of a general nature and is not intended to address the circumstances of any particular

individual or entity. Although we endeavor to provide accurate and timely information, there can be no guarantee that such

information is accurate as of the date it is received or that it will continue to be accurate in the future. No one should act on

such information without appropriate professional advice after a thorough examination of the particular situation.