Installation of PV panels: lessons learned

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Planning and Initial Costs

1. Feasibility Assessment: Before diving in, assess whether your home’s roof orientation is suitable for solar panels. South-facing is ideal, but east or west can still be effective.
2. Planning Permission: Regulations can differ depending on your location. If your roof faces a public road or exceeds certain dimensions, you may require planning permission from local authorities.
3. Cost Estimation: The cost of a solar PV system has decreased over the years, but it can still be significant. Research to see if you qualify for any subsidies or schemes like the Energy Company Obligation.
4. Get Professional Help: A reliable installer can help you with the measurement and orientation of the panels. This is crucial for optimizing your system’s performance.

Technical Aspects

1. Equipment: In addition to solar panels, you’ll need an inverter to convert Direct Current (DC) to Alternating Current (AC) for home use. Consider future scalability if you’re planning on adding a battery system later on.
2. Energy Yield: Be aware that energy yield varies by season; winter yields can be just 15% of summer yields.

Financial Considerations

1. Payback Period: While government incentives like Feed-in-Tariffs have decreased, the lower installation costs make the payback period similar to previous years.
2. Smart Export Guarantee (SEG): If your system produces more energy than you use, you can earn money by selling back to the grid.
3. Running Costs: Solar panels can significantly reduce your energy bills, but don’t expect them to drop to zero.

Lifestyle Changes

1. Optimal Usage: Run appliances like dishwashers, washing machines, and electric cars during the day to make the most of the generated solar energy.
2. Monitoring and Smart Controls: WiFi-enabled appliances and apps can help you monitor and control usage more efficiently.
3. EV Charging: If you own an electric car, strategic charging can help you maximize your energy usage.
4. Battery Systems: Investing in a scalable battery system can further optimize your energy consumption, allowing you to store excess energy for use during peak hours or lower yield seasons.

Overall Strategy

1. Continuous Adaptation: Keep updating your energy-use practices to suit the latest technologies and tariff plans for optimal payback and ROI.

By incorporating these lessons, homeowners can better prepare for what to expect when installing and living with solar PV panels, thereby maximizing their benefits both financially and environmentally.