Saudi Arabia has a high-income developing economy highly reliant on its petroleum sector. Oil and gas account for approximately 22.3% of Saudi GDP and 55% of government revenue, with substantial fluctuations depending on oil prices each year.

Final energy consumption in the United Kingdom was 128.1 million tonnes of oil equivalent (1,490 TWh) in 2024. In 2023, the UK had an energy consumption per capita of 2.13 tonnes of oil equivalent (24.8 MWh) compared to a world average of 1.87 tonnes of oil equivalent (21.7 MWh).

Xcel Energy Inc. is a U.S. regulated electric utility and natural gas delivery company based in Minneapolis, Minnesota, serving approximately 3.9 million electricity customers and 2.2 million natural gas customers across parts of eight states as of mid-2025.

Geothermal energy in the United States was first used for electric power production in 1960. The Geysers in Sonoma and Lake counties, California was developed into what is now the largest geothermal steam electrical plant in the world, at 1,517 megawatts.

New energy vehicles have gradually become more popular in South Africa, with sales increasing significantly in recent years. The country has a thriving automotive industry, and its public charging infrastructure continues to expand, including fast chargers and those dedicated to electric trucks.

The United States has the second largest electricity sector in the world, with 4,430 Terawatt-hours of generation in 2025. In 2024 the industry earned $514b in revenue (1.8% of GDP) at an average price of $0.129/kWh.

This page provides lists of best-selling books and book series to date and in any language. "Best-selling" refers to the estimated number of copies sold of each book, rather than the number of books printed or currently owned.

The Abu Dhabi National Oil Company (Arabic: شركة بترول أبو ظبي الوطنية), known by its acronym ADNOC, is the state-owned oil company of Abu Dhabi, United Arab Emirates. It is the world's 12th largest oil company by production.

E.ON UK is a British energy company and one of the largest suppliers of energy in the UK, following its acquisition of Npower. It is a subsidiary of E.ON of Germany and one of the Big Six energy suppliers.

Energy in Singapore is critically influenced by its strategic position in maritime Southeast Asia, nestled between Malaysia and the Singapore Strait, near essential maritime routes like the Straits of Malacca and the South China Sea. This location has established Singapore as a central hub for the global petroleum,…