Wind and solar may succeed at a smaller, localised scale. But scaling them to power an entire modern civilisation is a fundamentally different challenge. It was never going to work. They don't provide crucial baseload power, and traditional industrial grids were not built to accommodate their erratic delivery. Decades of government incentives, feed-in tariffs and tax credits have heavily subsidised their rollout across wealthy Western nations. But it's an exercise resembling hopeless love. These desperate initiatives have ignored the fundamental mismatch between intermittent generation and existing grid architecture. A complete rebuild of the global grid carries an estimated price tag of $21 trillion — a task made harder by decades of underinvestment in basic transmission infrastructure and heavy-duty storage. Traditional power grids rely on synchronous generation — massive spinning turbines in coal, gas, nuclear or hydro plants. This physical rotating mass provides natural mechanical inertia, keeping grid frequency locked at a stable 50 or 60 Hz. In sharp contrast, wind and solar just can't plug in. They rely on inverter-based technology, which gives zero inherent inertia. While engineers try to patch this stability gap with complex synthetic controls and giant spinning flywheels, it adds layer upon layer of extra cost and friction. Meanwhile, the colossal scale of battery storage required to bridge multi-day lulls in wind and sunlight — the dreaded Dunkelflaute — runs into an immediate brick wall. It creates yawning bottlenecks in copper, lithium and cobalt mining, compounded by soaring production costs. Crucially, the system can't even build itself. It just hasn't got the muscle. Mining the quartz, smelting the silicon, forging the structural steel and transporting massive turbine blades - all demands high-density, uninterrupted process heat and power. In an ironic twist, this energy is supplied almost exclusively by coal, oil and gas. The gridlock this creates is almost farcical. Because wind and solar remain weather-dependent, grids must keep fast-ramping gas peakers or idling coal plants on standby. They are burning fuel in the background to step in the instant the wind drops or clouds roll over. Great business plan.