Epc Summit

7/28/2019 Epc Summit

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GLOBAL SOLAR EPC

SUMMIT 2012

16th & 17th May,

Eros Hilton, New Delhi

Organized By

www.renewablemarketsindia.com


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Criterion for Selection ofEPC Partner

Presented by - B N Bhardwaj

May 16 , 2012

Electrotherm Immodo Renewables Ltd.

Global Solar EPC summit India

2012


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Solar projects

1. Licensee / PPA regime :-

Projects allotted by NVVN

Projects allotted by States

2. Renewable Energy Certificate (REC) mechanism3. Renewable Purchase Obligations (RPO)

4. Allocation of projects linked with setting up of solar

manufacturing facilities

5. Roof top projects arising out of policies by MNRE andvarious states



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What is there in Store National solar Mission ----- to achieve 20000 MW by

2020

Gujarat Planning to add 5000 MW of solar PV Plants

Rajasthan Developing a global hub of solar power andhas a target of 10000-12000 MW in the long term

Karnataka 80 MW

Madhya Pradesh bidding process already over. States

like Rajasthan, Maharashtra, Tamil Nadu and Andhra

Pradesh are in various stages of bidding process.



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Contd..

World wide 2012 may see a capacity addition of 20-30GW around the world.

Main capacity addition will be contributed by China and

India, followed by the southeast Asia, Latin America,the Middle East and North Africa in the next five years.

MNRE and many states are now in the process of

forming Roof top policy.



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NodalAgencies

Developer

Discoms

State

Govt.

NVVN /

MNRE

Financial

Institutions

Local

Admn

Custom Excise


Stake Holders


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EPC for Solar PV - Definition

Under an EPC contract, the EPC Provider willEngineer/Design the installation, Procure the necessary

materials and Construct the PV Installation. The EPC

Provider bears the projects risk not only in terms of

timing but also in terms of budget



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EPC Roles


Investor

EPCIntegrator

DevelopingLegal &

Financial

advice

Engineering Procurement ConstructionO & M

Full

Services


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EPC - Definition

An Investor/Owner chooses an EPC Provider for severalcritical reasons, that is:

EPC approach ensures quality and minimizes risks,

EPC gives the Investorone point contact, facilitating

its monitoring and coordination

Owner is not affected by the market componentsfluctuations, since the Investment amount is known at

the start of the project.



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Reasons for EPC contract

Reduced stress for owner

Single point of contact for owner simplifies execution

and communications.

Ready availability of post-commissioning services

Ensures quality construction and reduces practical issues

faced in other ways

Owner is protected against changing prices for materials,

labor, etc.

Cost is known at the start of the project



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Points to consider

Scope and the specifications of the plant

Quality

Project duration

Cost

The cost (the price to be paid to the EPCC) is negotiated

and finalized and paid in mutually agreed installments.



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Why EPC is important

The project installation in Solar PV Power project is a crucial

step as it involves perfect planning, technical expertise and

right execution strategy

Selecting right EPC provider holds key to successful and

sustainable business revenue for developer

Project requires right PMC skills to keep watch on milestonesand EPC work quality during project installation.



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Role of EPC in solar

An EPC Contractor executes a Solar Power Plant projecton turnkey basis, which includes plant design &

engineering, procurement and construction at site.

The EPC Contractor is responsible for delivering thesolar plant within agreed cost, time and with desired

quality

The EPC Contractor guarantees plant performance, thusenabling the project developer to avail finance from their

banking partners.



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Criterion for EPC partner

EPC company shall be backed up with:- Vast experience

World wide presence

Experience of working under different conditions

Execution of project in given time frame . Revenue is

directly linked to time taken by EPC contractor.

In house manufacturing and technical capabilities



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Contd..

In house ready availability of construction equipments

like:-

Diesel Generator,

Porta cabins,

Portable diesel lights,

Hydra, crane, Fork lift etc.



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Criterion for EPC Partner -

Operation & Maintenance

Should have experience of managing solar assets and

assure performance globally.

Provide additional value at market prices analyzingproduction daily with optimization software.

Control system accessible to an investor/banker daily by

cell phones or through password protected on-line accessfor each specific project for stakeholders to see

operations in anywhere in the world .



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How EPC achieves its objective

Realistic planning and scheduling

Efficient and economic design of plant

Source material & equipment globally from proven

manufacturers

Manage logistics of delivering material & equipment to

site.

Expediting delivery to ensure project is completed on

schedule



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Cost optimization that includes using designs based on

local standards, reducing manufacturing cost, forming

strategic alliances, maximizing local content, and

standardizing the power block design.

Clear and clean installation of panel, inverter and cable

is important task from O & M perspective once EPC

completes his job.


Contd..


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Key Selection

Modules

Stability of module manufacturer

Size

Modules of only tier 1 manufacturers Best available efficiencies,

Positive tolerances,

Proven reliability and

25 years performance warranty



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Key Selection

Modules



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Contd..Inverters

Only from internationally reputed manufactures

Best efficiency,

Thermal tolerance,

Minimum auxiliary power consumption and Proven performance under Indian conditions.

For large size projects larger capacity like 800 KW

with IP65 (outdoor) installation.

Inverters, transformers and AC side equipments shall

be economically sized without sacrificing energy

generation or plant / equipment long term reliability.



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Contd..Inverters



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Contd..Transformers



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Contd..

Module Mounting Structure Module mounting structures (MMS) are designed to

meet site conditions

Maximum wind velocity; Ease in prefabrication,

Ease in Transportation & Installation (totally bolted

construction)

Hot dip galvanized carried out under strict qualitycontrol.



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Contd..

Module Mounting Structure



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Contd..Cabling

Adequately sized DC & AC cables to ensureminimum losses, long term reliability

Cables are to be buried at suitable depth underground

with inspection chambers suitable at suitable

distances.

PE warning tapes are installed in entire cable trench

to protect the cable.



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Contd..Cabling



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Contd..Washing of modules

A well designed piped (non corrosive PVC) wash watersystem:-

Eliminates the dependence of local water tankers

Dust raised by them while moving in the plant area.

Ensures minimum water consumption



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Contd..Tilt

Key factors affecting:- Land

Budget

Incremental cost

Type :-

Fixed Tilt

Seasonal Tilt

Single Axis tracking

Double Axis tracking

Seasonal Tilt is most preferred these days because of Incremental land required is very marginal

Can be operated through semi skilled labor.



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Overall Plant Design

To make best and effective use of land available.

Fully accessible in case of hazards,

Security & O & M aspects

Computes and predicts energy generation data usinglatest tools and solar.

Meteo data bases like PVSyst 5.31,

METEONORM 6.1 etc.

Shadow analysis is conducted for the proposedconstruction.

Very effective Lightning Arrestor (L A) for Solar Field.



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Monitoring/optimization/control system integrated witha 1st class security system with on-site surveillance when

alarms are tripped.

24*7 manned control center which manages distributedskilled O&M workforce.


Contd..


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Overall Plant Design Finer Points Provision of Ring Main Units (RMU) for switching,

transformer protection and redundancy

Provision of UPS with sufficient back up supply toinverters ensuring quality of power as well as continuity.

Data Monitoring System (DMS) is critical and shouldhave features like remote accessibility.

Weather Monitoring Station (WMS) with data logger

and parameters like temperature measurement ofambient and module frame, anemometer, rain gauge,relative humidity etc.



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Overall Plant Design Finer Points


RMU

DMS

WMS-PYRANOMETER


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Sr. No. PERFORMANCE RATIO (PR)

1 PV Syst Estimation 74.4%

2 EIRL Guarantee for FAT 73%

3 Actual Average PR achieved during

FAT

76.66%

4 Max. PR achieved during FAT 80.82%

5 PR Result 5% gain overguaranteed PR value

Note: FAT stands for Facility

Acceptance Test. It was conducted

for 30 days (720 hours continuously)

15 MW Solar PV Plant, Solar

Park, Charanka


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Sr. No. ENERGY GENERATION

1 PV Syst Estimation 24.1 million

units/annum

2 EIRL Guarantee for Generation in 1st Year 23.25 million

units/annum3 Target Energy Generation Target for April

2012 based on Ratio of Radiation for April

and Total Annual Radiation

2.30 million units

4 Actual Energy Generation in April 2012 2.46 million units

5 Energy Generation Result 5 % above

guaranteed

generation

15 MW Solar PV Plant, Solar Park,

Charanka

P f C i S l PV


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Performance Comparison at Solar PV

Gujarat Solar Park, Charanka

Source: SLDC, Gujarat

STATION

April 2012-

Generation (Export-

Thousand Units)

(Reference:SLDC)

Thousand Units/MWp

in April 2012

Performance

(Rank)

Palace (15 MWp) 2467 164.47 1

Developer 2 (20 MWp) 3281 164.05 2

Developer 3 (6 MWp) 966 161.00 3Developer 4 (10 MWp) 1577 157.70 4

Developer 5 (25 MWp) 3899 155.96 5

Developer 6 (25 MWp) 3863 154.52 6

Developer 7 (25 MWp) 3848 153.92 7

Developer 8 (5 MWp) 735 147.00 8

Developer 9 (10 MWp) 1437 143.70 9Developer 10 (25 MWp) 3583 143.32 10

Developer 11 (5 MWp) 694 138.80 11

Developer 12 (5 MWp) 668 133.60 12

Developer 13 (15 MWp) 1267 84.47 13

Developer 14 (15 MWp) 856 57.07 14


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Performance Comparison at Solar PV

Gujarat Solar Park, Charanka

Source: SLDC, Gujarat

0.00

20.00

40.00

60.00

80.00

100.00

120.00

140.00

160.00

180.00

Gross Energy Export-April 2012(Thousand Units/MWp)

Palace (15 MWp)

Developer 2 (20 MWp)

Developer 3 (6 MWp)

Developer 4 (10 MWp)Developer 5 (25 MWp)



Developer 8 (5 MWp)



Developer 11 (5 MWp)Developer 12 (5 MWp)




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Guaranteed and Enhanced plant performance. ProvenGuarantee.

One-point contact

Upfront knowledge of project cost and payment terms

Insulation from variation of prices


Fruits of Good EPC


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Insulation from variation of prices

LD clauses - timely completion

Effective O&M service as they are the ones whoconstructed the plant in the first place.

Other Value added services.


Contd..


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So choose your EPC partner carefully

COST SHOULD NOT BE ONLY

FACTOR.



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THANK YOU

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