Electrification means replacing technologies that run on fossil fuels with ones that run on electricity. A gas furnace becomes a heat pump. A gasoline car becomes an electric vehicle. A diesel train becomes an electric one. The goal is to cut emissions where the grid is clean and to improve efficiency at the point of use.

History offers a precedent. In the early 20th century, cities electrified lighting, factories electrified motors, and farms electrified pumps. The transition took decades and transformed productivity. Today's electrification is broader, touching transport, heating, and industry.

Challenges remain. The grid must grow to carry the new load. Peak demand may rise as homes charge cars and run heat pumps. Rural and low-income areas may lag. Some industrial processes need very high heat that electricity struggles to provide economically. Electrification is not a single switch. It is a long series of replacements, each with its own cost and timeline.

Key sectors

• Transport
• Building heating and cooling
• Industrial processes
• Agriculture and mining
• Cooking