Renewable Power Isn’t the Cheap Fix It Sounds Like

The idea that wind and solar automatically lower electricity bills is a myth. A series of posts by an analyst named Steve Carson shows that while renewable plants produce power for almost no fuel cost, the grid still has to pay a lot for flexibility, backup and wiring. The article first looks at China, where huge growth in renewables is matched by equally large coal use; the data chosen can make either story seem true. Then it turns to Germany, which cut coal and nuclear while adding wind and solar, but imports a lot of power from neighbors to fill gaps. Germany’s success relies on interconnectors that act like hidden storage, sharing cheap generation and backup across borders. The discussion moves to the UK, where coal has fallen away, wind is rising and gas remains central. The country now imports a lot of power from France’s nuclear fleet and Norway’s hydro, showing that decarbonisation is partly outsourced. Carson points out that the promise of zero‑fuel costs does not automatically mean lower bills because the system still needs to manage large swings in supply.South Australia is highlighted as a real‑world laboratory because it has a high share of rooftop solar, wind and limited transmission. The state experiences “pricing paradoxes”: midday prices can become negative when solar outpaces demand, while evening peaks surge because the sun is gone and wind cannot fully cover the gap. Batteries help by charging when prices are low, but they can only store a limited amount and cannot smooth the entire day. Carson’s analysis shows that the expensive part of renewables is making the grid work when the sun and wind are not available. The cost of managing variability, maintaining backups and expanding transmission keeps overall prices high. Importing power from more stable neighbors can reduce costs, as seen in France’s nuclear‑heavy grid. The key takeaway is that cheap renewable fuel does not automatically equal cheap electricity for consumers.