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This article is part of our Energy Myths series, where we uncover the facts behind common misconceptions about solar, batteries, and clean energy.
The Myth
A common misconception is that solar panels and batteries consume more energy during manufacturing than they ever produce in their lifetime. This myth suggests renewable energy systems aren’t truly sustainable.
The Truth
Modern solar and battery technologies repay their entire embodied energy within just a few years. After that, every kilowatt-hour they generate is a net-positive contribution to the environment.
- Solar panels: A typical 5kW solar array takes around 1,500–2,000 kWh of energy to produce. Yet it generates 7,500–10,000 kWh every year, achieving energy payback in as little as 1.5–2 years.
- Freedom Won batteries: A 10kWh unit requires roughly 10,000 kWh to manufacture, but delivers 3,000–4,000 kWh annually. The energy payback period is just 2.5–4 years.
According to studies by the IEA Task 12 (2020) and Fraunhofer Institute, the efficiency of solar and storage systems has improved significantly, ensuring long-term sustainability.
Why It Matters
Once your solar and battery system has repaid its embodied energy, every kilowatt-hour after that is a climate win — reducing emissions, lowering energy costs, and supporting a cleaner future.
Curious about more clean energy facts? Explore the rest of our Energy Myths series or speak with the team at Won Energy to find the right solar and battery solution for your home or business.