NorthWestern Energy (NWE) - Market capitalization

Market cap: £3.19 Billion

As of April 2026 NorthWestern Energy has a market cap of £3.19 Billion. This makes NorthWestern Energy the world's 3388th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of NorthWestern Energy from 2004 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£3.19 B	8.88%
2025	£2.93 B	13.22%
2024	£2.58 B	5.85%
2023	£2.44 B	-15.74%
2022	£2.90 B	24.73%
2021	£2.32 B	7.57%
2020	£2.16 B	-21.53%
2019	£2.75 B	17.02%
2018	£2.35 B	9.78%
2017	£2.14 B	-3.63%
2016	£2.22 B	26.31%
2015	£1.76 B	3.43%
2014	£1.70 B	67.56%
2013	£1.01 B	27.23%
2012	£0.79 B	-4.22%
2011	£0.83 B	23.42%
2010	£0.67 B	16.88%
2009	£0.57 B	0.6%
2008	£0.57 B	-0.56%
2007	£0.57 B	-10.1%
2006	£0.64 B	-0.19%
2005	£0.64 B	23.76%
2004	£0.52 B

End of Day market cap according to different sources

On Apr 7th, 2026 the market cap of NorthWestern Energy was reported to be:

£3.19 Billion

by Nasdaq

£3.19 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Ameren AEE	£22.94 B	618.64%	🇺🇸 USA
CenterPoint Energy CNP	£21.24 B	565.48%	🇺🇸 USA
Exelon Corporation EXC	£37.38 B	1,070.98%	🇺🇸 USA
NiSource NI	£16.98 B	432.03%	🇺🇸 USA
MDU Resources MDU	£3.29 B	3.12%	🇺🇸 USA
PNM Resources PNM	£2.80 B	-12.09%	🇺🇸 USA
PG&E Corporation PCG	£28.84 B	803.63%	🇺🇸 USA
Idacorp IDA	£5.98 B	87.47%	🇺🇸 USA
Black Hills BKH	£4.13 B	29.52%	🇺🇸 USA
Avista AVA	£2.54 B	-20.17%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of NorthWestern Energy (NWE)

Market cap: £3.19 Billion