Geothermal Energy Cost: Why Earth’s Heat Comes With an Earth-Sized Bill
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Geothermal energy glows with the promise of limitless, renewable heat drawn from the planet itself — always on, emissions-free, and unaffected by clouds or calm days. But the geothermal energy cost reality confronting developers, investors, and policymakers is a stubborn obstacle: eye-watering upfront capital, punishing drilling expenses, strict geographic constraints, and a project risk profile that has kept this powerful resource to less than 1% of U.S. electricity for decades. Understanding why geothermal remains so expensive — and what alternatives are emerging — is essential for any enterprise serious about sustainable power. A Renewable with a Very Expensive Front Door Geothermal energy sounds like a bargain in theory. The fuel — the Earth's internal heat — is free, inexhaustible on human timescales, and available 24 hours a day. But accessing…
