117 companies rated in this category
🏆 See the best utilities companies of 2026 →
British Gas is the largest UK energy and home services company, supplying gas and electricity, boilers, boiler cover, and other home services.
Bayernwerk is a German energy company that operates electricity and gas distribution networks in Bavaria, providing energy supply and related services.
ScottishPower is a major energy company in the United Kingdom, supplying electricity and gas to residential and business customers.
EKD provides complete residential solar energy systems including solar panels, battery storage, heat pumps, and wallboxes, along with planning, installation, and maintenance services.
Evergreen Power UK specializes in the installation of solar panels, battery storage, air conditioning, and heat pump systems across the United Kingdom.
Allconnect is an online marketplace that helps consumers compare and shop for home service providers, including internet, TV, and utility services.
Energieversum is a German provider of complete photovoltaic and solar energy systems, offering all-inclusive packages for residential solar installations.
Yu Energy is a business energy supplier in the UK, providing gas and electricity services including new business connections and large-scale commercial projects.
Online retailer specializing in power inverters and accessories for cars, trucks, boats, RVs, and alternative energy systems, offering units ranging from 75 watts to 10,000 watts.
Duracell Energy provides solar battery storage systems for homes and businesses, enabling users to store and manage energy usage including off-peak electricity.
Dakota Lithium manufactures and sells LiFePO4 (lithium iron phosphate) batteries for applications including RVs, marine, solar, trolling motors, golf carts, and cars.
A UK-based platform focused on energy investment opportunities in Africa, enabling individuals to invest in solar energy projects across the continent.
Wekiwi is a digital energy supplier in Italy, providing electricity and gas services for domestic users.
Gexa Energy is a retail electricity provider offering energy plans to residential and commercial customers in Texas.
Budget Thuis is a Dutch energy provider offering 100% green energy at budget-friendly prices to residential customers.
Italian energy provider offering 100% renewable electricity and gas supply for residential customers.
A UK-based business energy specialist that helps businesses reduce their energy bills by connecting them with approved energy suppliers.
OUPES sells portable power stations and portable solar generators for off-grid and backup power needs.
Castle Water is a business water supplier serving thousands of businesses, charities, and public bodies across England and Scotland.
DCC Energi is a Danish energy company involved in the supply and distribution of energy products and services.
Danish energy company offering green electricity, natural gas, heat pumps, broadband, mobile services, charging stations, and insurance to residential customers.
Canadian battery manufacturer and supplier specializing in Sealed Lead Acid, LiFePO4 (lithium iron phosphate), and Lead Carbon batteries.
ECO-WORTHY sells solar panels, LiFePO4 lithium batteries, complete solar power system kits, wind turbines, and DIY solar solutions for homes, RVs, and businesses.
Yorkshire Gas and Power (YGP) is a business energy supplier providing cost-effective electricity and gas products to organisations.