Energy Suppliers

npower

Interactive Fuel Mix

npower

Current Fuel Mix Disclosure: 2.6% Nuclear, 49% Natural Gas, 34.6% Renewable, 9.7% Coal, 4.1% Other

CO2 Emissions: 315g per kWh – Radioactive Waste: 0.000182g per kWh

*Fuel mix disclosure as of October 2025

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Head Office Address

Trinity House, 2 Burton Street, Nottingham, NG1 4BX

Company Number

03653277

VAT Number

GB559097889

About npower

npower is a leading energy supplier in the UK, providing gas and electricity to millions of homes and businesses. Founded in 1998, it became a subsidiary of E.ON in 2019.

The company offers a range of energy services, including supply, energy management, and a focus on sustainability. npower is committed to customer service, innovation, and reducing carbon emissions, playing a key role in the UK’s transition to a low-carbon future through investments in renewable energy technologies.

npower - Frequently Asked Questions

What is npower's Address?

The npower head office address is: Trinity House, 2 Burton Street, Nottingham, NG1 4BX.

What is npower's Company Number?

The npower company number is 03653277.

What is npower's VAT Number?

The npower VAT number is GB559097889.

What is npower's Fuel Mix?

The npower Fuel Mix is 2.6% nuclear, 49% natural gas, 34.6% renewable, 9.7% coal, 4.1% other.

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