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Master Design of 10kW ONGRID Rooftop Solar System-Case Study
Rating: 3.7 out of 5(22 ratings)
130 students

Master Design of 10kW ONGRID Rooftop Solar System-Case Study

Learn manual design, component selection & financial analysis through a real case study of rooftop solar power.
Created byRESG Academy
Last updated 9/2025
English

What you'll learn

  • How to Gather Basic Information about Site
  • Roof top Area Assessment in Google earth software
  • Manual Assessment of Roof Orientation and Material of Construction
  • Generation of Sunpath Chart
  • Substation Details and Metering Room Details
  • Collection of Utility Electricity Bills and Calculation of Average Power Demand
  • Recommendation on Optimum Solar Installation Capacity
  • Generation of Feasibility Study Report in Word Document
  • Selection Of Solar Panels And Array Sizing
  • Design And Placement Of Solar Array
  • Introduction to Google sketch up Software
  • Preparation of Model in Google sketchup Software
  • Mounting of Solar Panels over Roof and Shadow Analysis in Sketch up Software
  • Energy Yield Estimation
  • Calculation of Energy yield estimation
  • Specific Energy Yield Estimation and Performance Ratio
  • Monthly Energy Generation by Solar Power Plant
  • Monthly Energy Generation of Solar Power Plant in PVWatt
  • Selection of Inverter and Number of MPPTs
  • Selection of ACDB and DCDB (String Combiner Box)
  • Selection of Solar Net Meter
  • Design Of DC Cable
  • Design Of AC Cable (Armoured Cable)
  • Design of Mounting Structure
  • Detail Circuit Diagram of 10kW On Grid Rooftop Solar System
  • List of Material required for 10kW Solar Plant Construction
  • Projected Cost of the Project
  • 10kW Solar Plant Financial Model Considering 100% Equity and 0% Loan Investment
  • Profit and Loss Account
  • Tax Calculation
  • Cash Flow Analysis
  • Calculation of Equity turn around, IRR, NPV and Payback Period
  • Summary of Model
  • Design Report of 10kW of Rooftop Solar System in Microsoft word

Course content

10 sections • 34 lectures • 5h 51m total length

  • Basic Information about Site8:32

    Learner Should able to gather necessary information about site.

    Learner should able to know the latitude and Longitude of the site.

    Learner should able to collect satellite image from the Google map.

    Learner should able the Collect Monthly and Average GHI of the Site.

  • Roof top Area Assessment in Google earth software6:58

    Link to Download Google Earth Pro Software:

    https://www.google.com/intl/en_in/earth/versions/#download-pro


    Learner should able to familiar with the Google earth software for area assessment of given site.

    Learner should able to used the Google earth software for area assessment of given site.

  • Manual Assessment of Roof Orientation and Material of Construction8:49

    Learner should able to collect rooftop details manually.

    Learner should able to identify the shadow creating things while assessing the shadow free area.

    Learner should able to assess overall available area by using Tape and Measuring instruments.

    Learner should able to identify the useful shadow free area after assessing the site.

  • Generation of Sunpath Chart9:56

    Link for Generating Sun Path Diagram:

    https://www.sunearthtools.com/dp/tools/pos_sun.php?lang=en


    Learner should able to understand Parameters which are required for drawing sun Path Diagram.

    Learner should able to generate the sun path diagram.

  • Substation Details and Metering Room Details8:13

    Learner should collect necessary information regarding metering room.

    Learner should know the voltage and current flow details on site.

  • Collection of Utility Electricity Bills and Calculation of Average Power Demand10:51

    Learner should able to Calculate the average power demand for consumer.

    Learner should able to identify basic parameters required for Solar Power system installation from the electricity bill analysis.

  • Recommendation on Optimum Solar Installation Capacity4:53

    Learner should gather all parameters which is require to decide optimum solar install capacity.

    Learner should study all parameters and able give final recommendation of optimum solar installation capacity.

  • Generation of Feasibility Study Report in Word Document11:18

    Learner should able to compile all feasibility study data in single word file.

    Learner should able to mention all parameters of feasibility study report and able to educate end consumer.

  • Quiz on Section No. 1

Requirements

  • Basic understanding of electricity and physics (Ohm’s law, power, energy).
  • Familiarity with mathematics and simple calculations.
  • No prior solar knowledge is required – beginners are welcome!
  • Pen

Description

This course is a complete, step-by-step guide to mastering the design of a 10kW on-grid rooftop solar power plant through a real-life case study approach. It is designed to take learners from the very basics of solar rooftop design to professional-level expertise in manual calculations, component selection, and project documentation.

By combining scientific concepts with practical design methods, this course enables you to analyze, size, and optimize a rooftop solar system for maximum performance. Students will gain a deep understanding of solar components, system design principles, and energy generation estimation, preparing them for real-world solar projects and careers in the renewable energy sector.


Learning Outcomes

By the end of this course, learners will be able to:

  • Understand the basic concepts of rooftop solar installation design.

  • Perform manual design calculations for rooftop solar systems.

  • Estimate power generation and energy yield.

  • Select the right components (modules, inverters, mounting structures, cables, etc.).

  • Create a complete Bill of Materials (BOM) for a 10kW rooftop project.

  • Analyze site conditions, rooftop orientation, and tilt angle for maximum efficiency.

  • Document a case study-based design for academic, professional, or entrepreneurial use.


Course Syllabus (Module-wise)

  1. Introduction to On-Grid Rooftop Solar Systems

    • Basics of solar PV and on-grid systems

    • Importance and applications of 10kW systems

  2. Energy Demand Estimation & Load Profiling

    • Manual demand estimation techniques

    • Understanding daily, monthly, and annual consumption

  3. System Design Principles

    • Sizing of solar modules

    • String sizing and inverter selection

    • Mounting structures and rooftop considerations

  4. Component Selection

    • Solar PV modules: types & performance

    • Inverters: string, central, and micro-inverters

    • Balance of system (BoS): cables, fuses, junction boxes

  5. Performance Estimation

    • Calculation of solar energy generation

    • Performance ratio, efficiency, and losses

  6. Financial Estimation & Feasibility

    • CAPEX & OPEX for 10kW rooftop system

    • Payback period and ROI calculations

  7. Case Study: 10kW On-Grid Rooftop Solar Project

    • Step-by-step manual design

    • Bill of Materials (BOM) preparation

    • Final report presentation


Teaching & Learning Methods

  • Conceptual Lectures to build strong fundamentals.

  • Step-by-step Manual Calculations for hands-on learning.

  • Case Study-Based Learning for practical exposure.

  • Assignments & Quizzes to test understanding.

  • Capstone Project: Design of a complete 10kW rooftop system.


Target Audience

  • Students: Engineering, diploma, or science students looking for project experience.

  • Solar Technicians: To enhance knowledge of optimum system design.

  • Job Seekers: Preparing for careers in the solar industry.

  • Entrepreneurs: Exploring opportunities in solar installation businesses.

  • Researchers & Academics: Interested in solar rooftop design case studies.


Prerequisites

  • Basic understanding of electricity and physics (Ohm’s law, power, energy).

  • Familiarity with mathematics and simple calculations.

  • No prior solar knowledge is required – beginners are welcome!


Benefits of the Course

  • Gain complete design knowledge of rooftop solar power plants.

  • Ability to independently design and document a 10kW system.

  • Learn from a real case study-based approach.

  • Acquire skills that are directly applicable in the solar industry.

  • Enhance employability and entrepreneurial opportunities.

  • Receive a certificate of completion for career advancement.


Career Opportunities

This course prepares you for roles such as:

  • Solar PV System Designer

  • Solar Project Engineer

  • Rooftop Solar Installation Consultant

  • Technical Sales & Design Executive in EPC companies

  • Energy Auditor for Solar Projects

  • Entrepreneur in Solar EPC/Consultancy


Key Highlights

  • Step-by-step manual design approach

  • Real-world 10kW case study

  • Focus on both technical and financial aspects

  • Industry-ready skills for immediate application


Start your journey today and master the art of designing on-grid rooftop solar systems with confidence.

Who this course is for:

  • Students: Engineering, diploma, or science students looking for project experience.
  • Solar Technicians: To enhance knowledge of optimum system design.
  • Job Seekers: Preparing for careers in the solar industry.
  • Entrepreneurs: Exploring opportunities in solar installation businesses.
  • Researchers & Academics: Interested in solar rooftop design case studies.
  • Those who want to learn

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