Repowering means upgrading or refurbishing parts of your existing solar power system—without completely removing it. The goal is to improve efficiency, reliability, and energy output using newer technology.

Typical Repowering Steps Include:
1.Replacing inverters with newer, more efficient models
2.Updating electrical components and wiring
3.Adding monitoring systems to track performance
4.Swapping out a small portion of underperforming panels

By repowering, you keep most of your original system intact while ensuring it operates closer to current standards.
👉 Best for: Systems that are structurally sound but suffering from reduced performance, outdated technology, or inverter failures.

Replacement, on the other hand, involves removing the entire existing system—panels, inverters, and sometimes mounting structures—and installing a brand-new setup.

Why Choose Replacement?

-The system design no longer meets your energy needs
-The cost of upgrades is nearly equal to a new system
-You want to take advantage of the latest high-efficiency modules

👉 Best for: Systems that are 15–20+ years old, no longer meet warranty requirements, or show visible damage and low energy production.

The choice depends on three key factors:
・System Age
If your system is under 10–12 years old, repowering is often sufficient. Older than 15–20 years? Replacement may be more cost-effective.

・Performance Issues
A few underperforming parts point to repowering; widespread degradation signals replacement.

・Future Energy Needs
If your energy consumption has grown significantly, replacing the system with higher-capacity panels could deliver better ROI.At GBP, we specialize in helping solar system owners maximize their investment.

At GBP, we specialize in helping solar system owners maximize their investment.

Our Team Provides
-System assessments to measure current performance
-Tailored recommendations on whether repowering or replacement is the smarter choice
-High-quality upgrades and installations using the latest solar technologies
-Ongoing monitoring and maintenance to keep your system running efficiently

Whether you choose to repower or replace, our goal is to ensure your solar investment continues to generate reliable, clean energy for years to come.
If your system is showing signs of wear, now is the time to act. Contact us today for a free system evaluation and discover whether repowering or replacement is the best path forward for your solar future.