Proposal 2kW

7/29/2019 Proposal 2kW

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Registered Office: D-137, Okhla Industrial Area, Phase 1, New Delhi - 110019

Corporate Office: No: 73, West of Chord Road II Phase, II Stage, 14th A Main, Mahalakshmipuram, Bangalore - 560086

www.myfreeenergy.in

Date: 18th December, 2012

Ref: RES-3-2012

To,

Mr. Varun MaheshHoskote, Bangalore, India

Subject: Budget Offer for 2kWp roof top solar power generating system

Dear Mr. Varun Mahesh,

With reference to your inquiry and our subsequent visit to your premises, we are sending you our proposal for

installing a roof top solar power plant on your premises in Hoskote, Bangalore for your kind perusal. This

quotation is valid for three months from today.

Quotation for 2kWp roof top solar power generating system:

Sl No Power Pack Rating Unit Price

(INR)

Quantity Total Amount (INR)

1 Supply: 2kWp roof top solar

power generating system

2,80,000 1 set 2,80,000

2 VAT @ 5.5% on supply prices 15,400 1 set 15,400

3 Service: Installation and

commissioning

15,000 1 set 15,000

4 Service tax @ 12.36% on I&C 1,854 1 set 1,854Total cost of the project

(before subsidy)

3,12,254

Net cost of the project

(after subsidy)

2,18,577

We will initiate work from our side the moment we get the Purchase Order from your end. Please issue

payments through cheque to "Free Energy Pvt. Ltd." payable in Bangalore.

Please let us know if you have any questions. We assure you that your order will be given our prompt and

careful attention.

Yours Sincerely,

For Free Energy Pvt Ltd

Karthik Vaidyanathan

CEO

[email protected]

Ph: +91-9654413931
mailto:[email protected]:[email protected]:[email protected]


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Power load profile & system sizing

The above offer is based on the details and usage pattern of appliances provided by you as below in Table 1:

Table 1: Details and usage pattern of appliances installed at customer location

SlNo Appliance Nos

TypicalWattage ofappliance

AverageUsage

hours perday

Units/kWhconsumed

per day

Units/kWhconsumedper month

SurgeWattage

1Refrigerator210 lts 1 200 24 4.8 144 1000

2 Television 3 100 3 0.9 27 200

3WashingMachine 1 500 1 0.5 15 1000

4 Mixer 1 200 0.5 0.1 3 500

5 Water Pump 1 700 1 0.7 21 30006 Fan 3 100 4 1.2 36 120

7 CFL 5 36 8 1.44 43.2 36

8 CFL 6 5 8 0.24 7.2 5

Total 2410 9.88 296.4

Based on the above details and usage pattern, Free Energy has estimated the system size as shown below in

Table 2:

Table 2: Free Energy estimate based on details and usage pattern

SlNo Planned capacity and estimated area Details Units

1 Monthly usage of electricity based on bill 300 kWh

2 Planned average daily generation of electricity 10 kWh

3 Average peak sun hours per day in Hoskote 5 hours

4 Planned capacity of solar power system 2 kW

5 No of panels required, 230W each 9 nos

6 Area required to install panels - approx 20 sq m

7 Approximate weight of each panel 20 kgs


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Bill of materials:

1. Solar Modules: 9 x 230Wp (Make: HHV Solar)

2. Inverter: 2kWp sine wave hybrid inverter (Make: Sukam)

3. Battery banks: 4 x 150Ah tubular batteries (Make: Exide)4. Module mounting structures

5. Junction boxes

6. Module cabling

7. Safety components

1. Solar Modules

a. Nine numbers of polycrystalline solar modules of 230Wp shall be installed.

b. Tilt: 13 degrees to the south to attain the maximum possible yield for this location as per the latitude

(13 deg North) and longitude (77 deg East).

c. Module efficiency: 13.8%

d. Approximate weight of each panel: 20kgs

e. Dimensions of each panel (LxWxH) in mm: 1639 x 982 x 36

We will be using panels manufactured by HHV Solar. Appendix 1 contains the specifications of the panels to

be used.

Vendor Warranty: 90% of rated efficiency for 10 years, 80% of rated efficiency for 25 years

Please refer to Table 3 below for detailed radiation data.

Table 3: Monthly averaged radiation incident on an equator-pointed tilted surface in kWh/m2/day

Lat 12.9Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

AnnualAvgLon 77.7

SSEHRZ

5.36 6.06 6.56 6.38 6.03 4.84 4.5 4.47 5.03 4.63 4.5 4.74 5.25

K 0.62 0.64 0.64 0.6 0.56 0.46 0.42 0.42 0.49 0.48 0.51 0.57 0.53

Diffuse 1.4 1.51 1.72 2.04 2.14 2.29 2.31 2.34 2.2 2 1.73 1.49 1.93

Direct 6.69 7.12 7.08 6.15 5.56 3.69 3.15 3.01 4.07 4 4.57 5.62 5.05

Tilt 0 5.32 6 6.48 6.28 5.91 4.73 4.4 4.39 4.96 4.58 4.46 4.7 5.18Tilt 13 5.92 6.45 6.66 6.18 5.96 4.79 4.44 4.36 4.99 4.77 4.83 5.24 5.38

Tilt 28 6.38 6.69 6.57 5.78 5.76 4.67 4.3 4.16 4.82 4.8 5.07 5.67 5.38

Tilt 90 4.56 3.98 2.89 1.78 2.33 2.22 2.03 1.76 2.07 2.7 3.41 4.18 2.82

OPT 6.5 6.69 6.67 6.28 5.97 4.79 4.44 4.39 5 4.82 5.1 5.79 5.53

OPTANG

39 30 16 0 9 11 9 3 8 22 34 40 18.3

Source: NASA Radiation data


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The generic data for solar power system efficiency and losses is as per Table 4 shown below

Module mismatch loss 1.5%

Loss due to dust on the modules 5.0%

Temperature loss 10.0%

Cable losses 3.0%

Inverter (PCU) loss 6.0%

Annual drop in panel efficiency 0.5%

2. Inverter

One number of 2kWp inverter of output 230V shall be installed. This inverter is to be placed in a shaded

area and must be weather-proof.

We will be using 2kW Sukam Solar Hybrid inverter. Appendix 2 contains the inverter specifications.

Vendor warranty: 1 year

3. Battery bank

4 batteries of 150Ah each will used in the project. The batteries will have to be places in a shaded weather

proof area.

We will be using Exide Inva IT-500 batteries. Appendix 3 contains the battery specifications.

Vendor warranty: 4 years

4. Module Mounting structures

Solar modules shall be mounted on structures erected using galvanized steel and concrete in an

aesthetically pleasing manner. The design of the structure will be as per industry standards. This will adhere

to safety and superior quality standards.

5. Junction BoxesTBD

6. Module Cabling

High-quality DC and AC cables, cable ducts and connectors shall be used.

7. Safety Components

Earthing and lightning arrestors shall be erected appropriately.

Table 4: Solar system efficiency and losses


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Terms and conditions

1 Prices Prices quoted are for destination inclusive of freight

2 System Installation System installation is in Free Energys scope of work

3 Excise duty Under present rules, solar PV system is exempted from Excise duty.

However, rate prevalent at the time of dispatch will be applicable

extra, at actual

4 Delivery 1. Delivery will be effected in 8 weeks from date of receipt of

MNRE sanction letter

2. Installation & commissioning shall be within 2-3 weeks

5 Payment terms 1. 20% advance payment along with purchase order

(submit project for MNRE subsidy approval)

2. 60% payment against proforma invoice before dispatch

3. 10% against materials arrival on site

4. 10% post installation & commissioning

5. 30% - MNRE subsidy directly credited to customer a/c

7 Warranty 1 year workmanship warranty from Free Energy

Performance warranty from manufacturers as applicable

8 Validity This offer is valid for 3 months from the date of hereof

9 Force Majeure Force Majeure conditions apply for this offer and resultant order

Proposal 2kW

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