Why Your Solar PV System Is Underperforming (And What You Can Do About It) Introduction Many solar PV systems I inspect are producing far less than expected—and the owner often has no idea. In some cases, systems are generating 30–40% less than predicted. The Symptoms Lower than expected generation Poor return on investment System appears to be working “normally” No visible faults The Root Cause Underperformance is usually caused by: Shading (often underestimated at install s

Battery Stuck at 50%? Victron & Pylontech Systems Explained Introduction A common issue I see with battery systems—especially Victron setups—is batteries refusing to charge beyond 50%. Customers often assume the battery is faulty, but in most cases, it’s a configuration or monitoring issue. The Symptoms Battery stuck around 50% SOC Limited charging overnight System not using full capacity “Battery life” mode active The Root Cause In many cases, the issue is caused by: Missing

Introduction One of the most common issues I get called out to across the Northeast is heat pumps running constantly with high energy bills and poor performance. Recently, I attended a property where the system hadn’t switched off for weeks—yet the house still wasn’t heating properly. The Symptoms The customer reported: Constantly running heat pump High electricity bills Poor heating performance Hot water always being prioritised No obvious fault codes The Root Cause The issu

❗ High heating bills? This is often the real reason 👇 I was called out to investigate a customer’s very high heating costs. After calculating the Seasonal Coefficient of Performance (SCOP) — comparing energy used to heat delivered — the system came out at 2.1. For reference, a well-installed heat pump should be achieving around 3.3–3.6. As soon as I inspected the installation, the issue was clear. ❌ Pipework not vapour sealed ❌ Insulation poorly fitted ❌ Insulation full of w

As solar energy gains traction, many property owners are increasingly concerned about their solar photovoltaic (PV) systems. In recent months, we have seen a surge in inquiries from homeowners who were taken by surprise after discovering that their inverters had malfunctioned. This oversight can lead to considerable losses in energy savings, highlighting the crucial need for regular checks of your solar PV system to ensure optimal performance and maximum return on your invest

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