Net Metering Calculator for Initial Assessment of Rooftop Solar

1.

Unit of measurement: Square Meter Square Feet

Available rooftop area :

Additional area other than rooftop according to Net Metering Guideline :

Note: Select the unit and insert your available rooftop area as per definition of Net Metering Guideline-2018. You can insert value either in Square Meter or Square Feet Unit.

Area to power generation factor [Default Value is 9 m²/kWp, You can change it]

[For detail calculation, Use 'Inter-Row-Spacing Calculator']

m²/kWp

2.

Sanctioned load of the consumer

kW

3.

Maximum capacity of solar system (cumulative output of inverters) as per "Net Metering Guideline-2018"

70% of Sanctioned load, not more than 10 MW

kW

4.

Actual installed capacity of Solar Module [ DC:AC Ratio, Normally 1.2 times of the AC output Capacity]

:

times

5.

Approximate installation cost per kWp system (DC Capacity)

[You can change the value]

:

Thousand Taka

6.

Component Replacement Cost @11th year interms of percentage of the initial investment (Inverter and Other Accessories)

[You can change the value]

:

%

7.

Maintenance Cost (Percentage of annual return value)

[This value could be less for higher than 1MW system capacity]

:

%

8.

Insurance (Percentage of Initial Investment per Year)

[You can change the value]

:

%

9.

Annual approximate electricity generation from rooftop solar system on optimum Azimuth and Tilt angle

Select the Calculation mode: Select: Select any one method M1: AC Output kWh/kWp/year M2: AC Output kWh/kWp/day (Yearly Average) M3: Plant Capacity Factor M4: SOLARGIS PVOUT Solar Radiation Data

For Method-1: Average of AC output per kWp solar system per year : kWh/kWp/year

For Method-2: Annual average of AC output per kWp solar system per day : kWh/kWp/day

For Method-3: Plant Capacity Factor : %

For Method-4: SOLARGIS PVOUT : Barguna (3.808 kWh/kWp/day or 1390 kWh/kWp/year)Barishal (3.76 kWh/kWp/day or 1372 kWh/kWp/year)Bogura (3.699 kWh/kWp/day or 1350 kWh/kWp/year)Chadpur (3.795 kWh/kWp/day or 1385 kWh/kWp/year)Chittagong (4.02 kWh/kWp/day or 1467 kWh/kWp/year)Cox's Bazar (4.08 kWh/kWp/day or 1489 kWh/kWp/year)Cumilla (3.77 kWh/kWp/day or 1376 kWh/kWp/year)Dhaka (3.66 kWh/kWp/day or 1336 kWh/kWp/year)Dinajpur (3.66 kWh/kWp/day or 1336 kWh/kWp/year)Faridpur (3.726 kWh/kWp/day or 1360 kWh/kWp/year)Gazipur (3.682 kWh/kWp/day or 1344 kWh/kWp/year)Gopalganj (3.753 kWh/kWp/day or 1370 kWh/kWp/year)Habiganj (3.748 kWh/kWp/day or 1368 kWh/kWp/year)Hatiya Island (3.907 kWh/kWp/day or 1426 kWh/kWp/year)Jessore (3.764 kWh/kWp/day or 1374 kWh/kWp/year)Khulna (3.77 kWh/kWp/day or 1376 kWh/kWp/year)Kushtia (3.767 kWh/kWp/day or 1375 kWh/kWp/year)Mymensingh (3.68 kWh/kWp/day or 1343 kWh/kWp/year)Naogaon (3.74 kWh/kWp/day or 1365 kWh/kWp/year)Narayanganj (3.72 kWh/kWp/day or 1358 kWh/kWp/year)Narsingdi (3.732 kWh/kWp/day or 1362 kWh/kWp/year)Nilphamari (3.64 kWh/kWp/day or 1329 kWh/kWp/year)Noakhali (3.792 kWh/kWp/day or 1384 kWh/kWp/year)Pabna (3.745 kWh/kWp/day or 1367 kWh/kWp/year)Patuakhali (3.77 kWh/kWp/day or 1376 kWh/kWp/year)Rajshahi (3.77 kWh/kWp/day or 1376 kWh/kWp/year)Rangamati (3.904 kWh/kWp/day or 1425 kWh/kWp/year)Rangpur (3.67 kWh/kWp/day or 1340 kWh/kWp/year)Sylhet (3.78 kWh/kWp/day or 1380 kWh/kWp/year)Tangail (3.696 kWh/kWp/day or 1349 kWh/kWp/year)

Note: Insert any one of the input in the left side and select the method accordingly.

10.

Insert your Retail Electricity Tariff [Tariff Order]:

Taka/kWh

11.

Fist time retail tariff increase after years, Common increase intervals years and Retail Tariff increasing amount Taka/kWh

Future Tariff Expectation

12.

VAT

:

%

13.

Insert the 33kV Bulk Tariff of your utility [Tariff Order]:

Taka/kWh

14.

Inflation Factor/Discount Factor [Source]

[You can change it. Set '0' to avoid the NPV]

:

%

July

kWh

August

kWh

September

kWh

October

kWh

November

kWh

December

kWh

January

kWh

February

kWh

March

kWh

April

kWh

May

kWh

June

kWh