Iceland Warms Itself With Earth’s Natural Power — Around 90% of Homes Are Heated Using Geothermal Energy In Iceland, extreme cold is met with an elegant solution straight from beneath the ground. Thanks to its unique volcanic geology, around 90% of Icelandic homes are heated using geothermal energy, making the country a global leader in clean, renewable heating. Hot water and steam rise naturally from deep underground reservoirs. This heat is captured and distributed through district heating sys

Three reservoir problem lecture 1