Cost of Solar panel Installation
AIM 
Estimate the size of solar panel for your
residential home, cost of solar panel installation and payback period. 
A 
Objective 


After
completing this experiment, student will be able to Calculate
residential load and unit consumption of residential load Estimate size of
solar panel, incentive, cost of solar panel installation and payback period
for amount to be invested. Estimate amount of
CO2 emission reduction by using suitable solar panel calculator 

B 
Expected Program Outcomes (POs) 


·
PO1:
Basic and Discipline specific knowledge ·
PO2:
Problem Analysis ·
PO6:
Project Management ·
PO7:
Lifelong learning 

C 
Expected Course Outcomes (COs) 


1. CO4:
Understand government policies for renewable energy sources 

D 
Practical Outcome (PRO) 


2. Estimate
load calculation for residential consumer, solar panel installation cost,
incentives calculation, payback period and reduction of CO2 emission for
given data. 

E 
Theory 


You
can estimate the size of solar panel / number of solar panels by estimating
number of units consumption per month or by energy bill by utility company. As
per PM Surya Ghar Solar Roof Top Portal Benchmark CFA (Central Finance Assistance)
CFA for given kW Capacity of solar panel
Let
us try to understand size of solar panel requirement by unit consumption per
month. There are several energy calculators available in the website. Here we
use torrent power energy calculator OR you can calculate watt hour by using
clip on meter and multimeter. Calculation of monthly watt – hour
Daily
watt – hour = 11770 Monthly
unit consumption: 11770 × 30 = 353100 Wh = 353 kWh Let
us assume that unit price of energy consumption is Rs. 8 / unit which
includes fuel charges, regulatory charges, govt duty and meter rent. The per
unit energy prices depends upon number of unit consumption, Higher the rate
for higher consumption of electricity and vice versa Total
Energy Charges = 353 × 8 = Rs. 2824 You must enter
following data in the PMSURYAGHAR Portal. (Link for portal: https://pmsuryaghar.gov.in/rooftop_calculator) 1. Your state: 2. category of customer: Residential 3. Average monthly bill: Option to enter following data 4. Your rooftop area in square meter
or square feet 5. You want to invest in solar
panel 6. Solar plant capacity (kW) 7.
Sanction Load Solar Panel CalculatorNow,
we calculate the cost of the solar panel installation and payback period as
per PMSURYAGHAR Portal.
Solar Panel Payback periodCost
of solar plant: Rs 147000
Payback
period: 6 years and 3 months It
is considered that Rs. 147000 is not kept in bank fixed deposit. If it is
kept in bank account, interest is also calculated. This calculation is only
reference point of view to understand size of solar panel for your
residential home, cost of solar panel installation and payback period. 

F 
Interpretation of Results 


The
installation of solar panel is one time investment for your daily life energy
consumption bill. In the above case study, you will get your investment money
back in the 6 years and 3 months for 5 kW solar panel installation. The
initial financial burden of solar panel installation will contribute yourself
towards CO2 emission reduction. 

G 
Conclusion The installation of solar panel at the residential
premises not only provide to you financial freedom from electricity bill
after payback period but contributes nation to achieve net zero CO2 emission
by 2050. 




H 
Practical related Questions 


1. State the limit for CFA (Subsidy) to residential consumer
for installation of 4 kW. 2. What is meaning of payback period? 




N 
Assessment Rubrics 



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