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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: [email protected]: 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.