Largest utility companies by market cap

Companies: 145 total market cap: £1.806 T

Rank	Name	Market Cap	Price	Today	Country
101	Enerjisa Enerji ENJSA.IS	£2.04 B	£1.73	0.79%	🇹🇷 Turkey
102	Colbún COLBUN.SN	£2.03 B	£0.12	0.00%	🇨🇱 Chile
103	Shikoku Electric Power Company 9507.T	£2.01 B	£9.82	2.12%	🇯🇵 Japan
104	H2O America HTO	£1.99 B	£47.69	1.75%	🇺🇸 USA
105	LEW (Lechwerke) LEC.F	£1.96 B	£55.43	0.00%	🇩🇪 Germany
106	ReNew Energy Global RNW	£1.83 B	£5.05	0.29%	🇮🇳 India
107	The Chugoku Electric Power 9504.T	£1.76 B	£4.92	1.98%	🇯🇵 Japan
108	Indraprastha Gas IGL.NS	£1.73 B	£1.24	6.19%	🇮🇳 India
109	Genesis Energy GNE.NZ	£1.59 B	£1.22	0.72%	🇳🇿 New Zealand
110	NW Natural Holdings NWN	£1.53 B	£36.48	0.30%	🇺🇸 USA
111	Hawaiian Electric Industries HE	£1.41 B	£8.19	1.28%	🇺🇸 USA
112	AB Ignitis grupe IGN1L.VS	£1.39 B	£19.33	0.22%	🇱🇹 Lithuania
113	Romande Energie REHN.SW	£1.15 B	£45.00	0.61%	🇨🇭 Switzerland
114	Minera Valparaíso MINERA.SN	£1.06 B	£8.50	3.91%	🇨🇱 Chile
115	naturenergie holding NEAG.SW	£0.94 B	£28.63	0.63%	🇨🇭 Switzerland
116	Electrica ECEA.F	£0.88 B	£10.48	0.00%	Romania
117	Celesc (Centrais Elétricas de Santa Catarina) CLSC4.SA	£0.87 B	£22.74	0.42%	🇧🇷 Brazil

118	edenor EDN	£0.85 B	£18.07	1.81%	🇦🇷 Argentina
119	Mahanagar Gas MGL.NS	£0.84 B	£8.59	3.01%	🇮🇳 India
120	Polenergia PEP.WA	£0.84 B	£10.94	1.66%	🇵🇱 Poland
121	Middlesex Water Company MSEX	£0.81 B	£43.20	0.98%	🇺🇸 USA
122	Superior Plus SPB.TO	£0.80 B	£3.77	0.85%	🇨🇦 Canada
123	Unitil Corporation UTL	£0.72 B	£39.67	0.34%	🇺🇸 USA
124	Alkhorayef Water and Power Technologies Company 2081.SR	£0.66 B	£19.14	0.21%	🇸🇦 S. Arabia
125	Telecom Plus PLC TEP.L	£0.66 B	£8.50	0.83%	🇬🇧 UK
126	Phnom Penh Water Supply Authority PWSA.KH	£0.58 B	£1.23	0.30%	🇰🇭 Cambodia
127	Ascopiave ASC.MI	£0.51 B	£2.36	1.10%	🇮🇹 Italy
128	Sembcorp Salalah Power & Water Company SSPW.OM	£0.47 B	£0.50	0.38%	🇴🇲 Oman
129	Saibu Gas Holdings 9536.T	£0.42 B	£11.83	2.42%	🇯🇵 Japan
130	York Water YORW	£0.41 B	£25.37	0.76%	🇺🇸 USA
131	Hokkaido Gas 9534.T	£0.38 B	£4.33	2.76%	🇯🇵 Japan
132	Shamal Az-Zour Al-Oula Power and Water Company AZNOULA.KW	£0.36 B	£335.41	0.00%	🇰🇼 Kuwait
133	Acinque AC5.MI	£0.35 B	£1.79	0.00%	🇮🇹 Italy
134	The Okinawa Electric Power Company 9511.T	£0.30 B	£5.57	1.09%	🇯🇵 Japan
135	Genie Energy GNE	£0.29 B	£11.31	0.33%	🇺🇸 USA
136	Yü Group YU.L	£0.28 B	£16.38	0.73%	🇬🇧 UK
137	Artesian Resources ARTNA	£0.27 B	£26.81	1.54%	🇺🇸 USA
138	Burgenland Holding BHD.VI	£0.21 B	£71.75	0.00%	🇦🇹 Austria
139	Keiyo Gas 9539.T	£0.20 B	£6.35	0.30%	🇯🇵 Japan
140	Pure Cycle (water) PCYO	£0.19 B	£8.21	0.27%	🇺🇸 USA
141	RGC Resources RGCO	£0.16 B	£16.05	0.28%	🇺🇸 USA
142	Siljansvik AB SIVI.ST	£0.12 B	£9.21	0.85%	🇸🇪 Sweden
143	clearvise AG ABO.DE	£73.17 M	£0.97	0.00%	🇩🇪 Germany
144	SMN Power Company SMNP.OM	£72 M	£0.36	0.00%	🇴🇲 Oman
145	Fernheizwerk Neukölln FHW.F	£36.76 M	£15.98	3.13%	🇩🇪 Germany

This is the list of the largest utility companies by market capitalization. A public utility company or simply utility company is an organization that maintains the infrastructure for a public service. Only the top utility companies are shown in this list and utility companies that are not publicly traded are excluded. The ranking and the market cap data shown on this page are updated daily.

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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