Off-Grid Solar Energy: Design, Sizing, and Installation — PickAClass
★ 3.3 (3) ⏱ 3h 📚 30 lessons 🎧 Audio version

Off-Grid Solar Energy: Design, Sizing, and Installation

Plan, size, and build an independent solar power system for cabins, RVs, or homes using modern battery technologies and safe wiring practices.

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About this course

Generating your own clean, independent electricity can seem intimidating with all the complex electrical terms, formulas, and equipment options available. This comprehensive guide simplifies the process, giving you the knowledge to confidently design and implement your own off-grid solar setup. By reading this course, you will transition from a complete beginner to a capable planner who understands how to match solar panels, charge controllers, inverters, and batteries to meet your specific energy needs safely and efficiently. What you'll learn: - Understand fundamental electrical concepts, including voltage, current, power, and how they apply to solar circuits. - Calculate daily energy consumption to accurately size solar panels and battery banks for any setup. - Compare modern battery chemistries, focusing on the advantages and management of lithium iron phosphate (LiFePO4) systems. - Select and configure essential components like smart hybrid inverters, MPPT charge controllers, and solar arrays. - Apply safety best practices, including proper wire sizing, fusing, grounding, and overcurrent protection. - Design a complete off-grid system layout suitable for a cabin, recreational vehicle, or emergency backup. The course begins with essential electrical theory and solar terminology before guiding you step-by-step through load calculations, component selection, wiring schematics, and system maintenance. You will work through practical written exercises and design scenarios to reinforce your understanding of real-world installations. This text-based course is designed for homeowners, DIY enthusiasts, and outdoor adventurers who are new to solar energy and want to learn without any prior engineering background. Start building your path to energy independence today.

Course contents

6 modules · 30 lessons · 3h

1 Solar Electricity Fundamentals
Understand the physical basics required to work with solar circuits.
5 lessons · 30 min
  1. Introduction to Off-Grid Energy
    Energy independence and a summary of how a solar system works.
    6 min
  2. Voltage (Volts): Electrical Pressure
    What voltage is and why it is important to choose between 12V, 24V, or 48V.
    6 min
  3. Current (Amps): The Flow
    Understanding electron movement and the heat generated in cables.
    6 min
  4. Power (Watts) and Energy (Wh)
    The difference between instantaneous power and consumption over time.
    6 min
  5. Series and Parallel Circuits
    How to connect components to add voltage or current.
    6 min
2 Load Analysis and Sizing
Calculate exactly how much energy is needed to avoid being left in the dark.
5 lessons · 30 min
  1. Device Energy Audit
    Reading appliance labels and estimating hours of use.
    6 min
  2. Calculating Total Daily Consumption
    Creating a load table to determine the required Watt-hours (Wh).
    6 min
  3. Days of Autonomy and Discharge
    Predicting periods without sun and deciding on a safety reserve.
    6 min
  4. Sizing the Battery Bank
    Translating energy needs into battery capacity (Ah).
    6 min
  5. Sizing the Solar Array
    Calculating how many panels are needed based on peak sun hours.
    6 min
3 Battery Technology
Choosing and managing the most efficient storage system.
5 lessons · 30 min
  1. Lead-Acid vs. Lithium
    Advantages, disadvantages, and long-term costs of different chemistries.
    6 min
  2. The Superiority of LiFePO4
    Why Lithium Iron Phosphate is the standard for safety and durability.
    6 min
  3. The BMS (Battery Management System)
    The crucial role of electronics in protecting lithium cells.
    6 min
  4. Temperature and Charging
    How cold and heat affect battery performance.
    6 min
  5. Battery Bank Wiring
    Best practices for connecting multiple batteries in a balanced way.
    6 min
4 Components: Controllers and Inverters
Selecting control and conversion electronics.
5 lessons · 30 min
  1. The Charge Controller
    Why panels cannot be connected directly to batteries.
    6 min
  2. MPPT Efficiency
    How MPPT technology extracts maximum power from the panels.
    6 min
  3. Inverters: Pure Sine Wave
    Why to avoid modified sine waves to protect your devices.
    6 min
  4. All-in-One Hybrid Inverters
    The advantages of having a controller, inverter, and charger in a single unit.
    6 min
  5. Configuring Solar Strings
    Matching panels to the solar input voltage limits.
    6 min
5 Safety and Installation
Protecting the system and people from fires and failures.
5 lessons · 30 min
  1. Choosing Cable Gauges
    Using AWG/mm2 tables to avoid voltage drops and overheating.
    6 min
  2. MC4 Connectors and Crimping
    Making watertight and secure connections on the roof.
    6 min
  3. Fuses and DC Disconnects
    Where to place protections between panels, batteries, and inverters.
    6 min
  4. System Grounding
    Ensuring a safe path for fault currents.
    6 min
  5. Surge Protection
    Defending expensive electronics from lightning and external surges.
    6 min
6 Practical Design and Maintenance
Applying all knowledge to real-world scenarios and maintaining the system.
5 lessons · 30 min
  1. Scenario 1: The Isolated Cabin
    Designing a stationary system for lights and small appliances.
    6 min
  2. Scenario 2: Campers and Van Life
    Managing vibrations, limited space, and alternator charging.
    6 min
  3. Scenario 3: Home Backup
    Configuring a system for emergencies during blackouts.
    6 min
  4. Maintenance and Monitoring
    Periodic checks and using apps/displays to verify system health.
    6 min
  5. Exercise: Your Project
    Step-by-step guide to creating your final electrical schematic.
    6 min
Final project

My Off-Grid Solar System

Design a complete solar system for a use case of your choice (cabin, camper, or backup), including calculations and a component schematic.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Off-Grid Solar Energy: Design, Sizing, and Installation
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
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Advanced
1.9 hrs
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Off-Grid Solar Energy: Design, Sizing, and Installation
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (3)

نورة حسن AE Verified learner
★ 3 · August 20, 2026

Pretty informative. I liked the practical application examples, though the initial setup took longer than I expected.

Nway Nway San MM Verified learner
★ 3 · August 14, 2026

Tbh, I expected more practical application. It felt a bit too theoretical for my needs, though the core concepts were explained okay.

Nicolae Badea RO Verified learner
★ 4 · August 4, 2026

It was a pretty good course overall. Some parts moved a little fast for me, but the examples were generally helpful. Worth the time investment.

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