A Presentation on

Solar Power Plant 100 KW – Grid-Tie

Installed at

DG Vaishnav College, Chennai

Project Designed, Installed and Implemented by

M/S. Solkar Solar Industry Limited Chennai.

The College was founded in the year 1964.

The College now has 7 UG and 6 PG (Aided), 12 UG and 11 PG (Self- Supporting) programmes The Campus spread over 25 acres of land spacious and green provides an ambience conducive for higher learning. In the past four decades , the college has seen tremendous growth in its infrastructure and now in the threshold of a massive expansion The college has a dedicated Green initiative team and supports various initiatives for the incorporation of Renewable Energy in the campus.

Electricity

Diesel Generator

10 KW Solar Power Plant installed in the Library Block

Solar Inverter and Battery Bank for

10 KW Solar Power Plant

1000 LPD Solar Water Heating System – 2 Nos installed in

the Hostel Block

50 Solar Street Lights in different models around the Campus.

Hon’ble Minister for Electricity Thiru. Natham R. Viswanathan

inaugurating the Solar Systems at the College campus

DGV College initiative to be the

Pioneering Institution

to follow the directions of

Hon’ble Chief Minister

to Meet

6% Solar Purchase Obligations

3000 MW by 2015

Solar Purchase Obligation (SPO)

The State will mandate 6% SPO (starting with 3% till

December 2013 and 6% from January 2014) for all

the HT Users (All colleges) and all Commercial LT

Users.

Rooftop ( 350 MW )

Power Purchase – TANGEDCO

( 1000 MW )

REC/SPO ( 1650 MW )

TN Solar Policy

Energy Consumption at DGVC

Particulars

CONNECTED

LOAD (KW)

CONNECT

ED LOAD

(KVA)

MAXIMUM

DEMAND

(KW)

MAXIMUM

DEMAND

(KVA)

Main MV panel 1475.85 1844.81 1033.10 1353.76

Current Connected Load - 1475.85 KW

SPO Obligation 6% - 88.55 KW

Proposed Solar Power Plant - 100.00 KW

Particulars 100 KW

Solar Module 30 V 250 W 400 Nos

Inverter 100 KW 1 Nos

System Volt 600 V

Output Volt Three Phase 50 Hz

230 – 440 V

System Specification

Particulars 100 KW

Price (in Rs.) 1,40,00,000.00

VAT @ 5% 7,00,000.00

Price after VAT and

Erection Charges 1,47,00,000.00

Less : Subsidy@30% 42,00,000.00

Total System Cost 1,05,00,000.00

Cost Of the Solar Power Plant

Particulars 100 KW

System Cost Rs. 1,05,00,000.00

Maintenance Cost1 Rs. 31,50,000.00

Total Cost Rs. 1,36,50,000.00

Units generated per year2 1,50,000 Units

Generation in 20 Years3 27,00,000 Units

Solar Generation Cost Rs. 5.00

(Rounded Off)

Cost of Generating Electricity from Solar

1 Maintenance cost is worked out at 30% of the System cost including replacement of Inverters in next 20 years. 2 Units generated is calculated at 5 units per day per KW for 10 months in a year. 3 Generation for next 20 years is taken with 10% decrease of output over the years.

Year Solar EB DG

2013 Rs. 5/- Rs. 8/- Rs. 18/-

2014 Rs. 5/- Rs. 9/- Rs. 21/-

2015 Rs. 5/- Rs. 10/- Rs. 24/-

2016 Rs. 5/- Rs. 12/- Rs. 28/-

2017 Rs. 5/- Rs. 14/- Rs. 32/-

Estimated Cost Comparison in next 5 years

Year Units

Generated

from Solar in

a year

Cost Saving

with EB per

unit

Savings

2013 1,50,000 Rs. 8/- Rs.12,00,000/-

2014 1,50,000 Rs. 9/- Rs. 13,50,000/-

2015 1,50,000 Rs. 10/- Rs. 15,00,000/-

2016 1,50,000 Rs. 12/- Rs. 18,00,000/-

2017 1,50,000 Rs. 14/- Rs. 21,00,000/-

Total Savings in 5 Years Rs. 79,50,000/-

The Savings in next 5 years with Electricity

Year Units

Generated

from Solar in

a year

Cost Saving

with DG per

unit

Savings

2013 1,50,000 Rs. 18/- Rs. 27,00,000/-

2014 1,50,000 Rs. 21/- Rs. 31,50,000/-

2015 1,50,000 Rs. 24/- Rs. 36,00,000/-

2016 1,50,000 Rs. 28/- Rs. 42,00,000/-

2017 1,50,000 Rs. 32/- Rs. 48,00,000/-

Total Savings in 5 Year Rs. 1,84,50,000/-

The Savings in next 5 years with DG

Thank You…

For any further details, please contact :

Solkar Solar Industry Limited 13/2, Jayalakshmipuram 1st Street, Nungambakkam, Chennai – 600 034.

Ph 9840947485 / 28274142 Email : sales@solkar.in