Largest utility companies by market cap

Companies: 145 total market cap: £1.870 T

Rank	Name	Market Cap	Price	Today	Country
101	Colbún COLBUN.SN	£2.03 B	£0.12	0.26%	🇨🇱 Chile
102	Toho Gas 9533.T	£2.02 B	£5.75	7.34%	🇯🇵 Japan
103	Vector Limited VCT.NZ	£1.91 B	£1.91	0.44%	🇳🇿 New Zealand
104	ReNew Energy Global RNW	£1.88 B	£5.17	0.00%	🇮🇳 India
105	Shikoku Electric Power Company 9507.T	£1.85 B	£9.10	5.19%	🇯🇵 Japan
106	LEW (Lechwerke) LEC.F	£1.82 B	£51.53	0.00%	🇩🇪 Germany
107	The Chugoku Electric Power 9504.T	£1.79 B	£4.98	6.13%	🇯🇵 Japan
108	NW Natural Holdings NWN	£1.62 B	£38.65	0.97%	🇺🇸 USA
109	Indraprastha Gas IGL.NS	£1.56 B	£1.12	0.76%	🇮🇳 India
110	Genesis Energy GNE.NZ	£1.33 B	£1.01	0.42%	🇳🇿 New Zealand
111	AB Ignitis grupe IGN1L.VS	£1.31 B	£18.14	0.23%	🇱🇹 Lithuania
112	Romande Energie REHN.SW	£1.14 B	£44.70	1.44%	🇨🇭 Switzerland
113	Hawaiian Electric Industries HE	£1.08 B	£6.30	0.71%	🇺🇸 USA
114	Celesc (Centrais Elétricas de Santa Catarina) CLSC4.SA	£1.00 B	£25.96	0.47%	🇧🇷 Brazil
115	Minera Valparaíso MINERA.SN	£0.98 B	£7.85	0.00%	🇨🇱 Chile
116	Electrica ECEA.F	£0.95 B	£11.23	0.00%	Romania
117	Mahanagar Gas MGL.NS	£0.87 B	£8.89	1.83%	🇮🇳 India

118	naturenergie holding NEAG.SW	£0.86 B	£26.24	0.35%	🇨🇭 Switzerland
119	Middlesex Water Company MSEX	£0.84 B	£44.38	0.51%	🇺🇸 USA
120	Unitil Corporation UTL	£0.78 B	£42.22	0.11%	🇺🇸 USA
121	Polenergia PEP.WA	£0.77 B	£10.02	1.70%	🇵🇱 Poland
122	Telecom Plus PLC TEP.L	£0.71 B	£9.44	0.00%	🇬🇧 UK
123	Superior Plus SPB.TO	£0.68 B	£3.17	1.32%	🇨🇦 Canada
124	Phnom Penh Water Supply Authority PWSA.KH	£0.60 B	£1.28	0.29%	🇰🇭 Cambodia
125	Alkhorayef Water and Power Technologies Company 2081.SR	£0.57 B	£16.38	0.78%	🇸🇦 S. Arabia
126	Ascopiave ASC.MI	£0.54 B	£2.51	1.01%	🇮🇹 Italy
127	edenor EDN	£0.50 B	£10.55	5.03%	🇦🇷 Argentina
128	Sembcorp Salalah Power & Water Company SSPW.OM	£0.47 B	£0.49	2.00%	🇴🇲 Oman
129	Saibu Gas Holdings 9536.T	£0.46 B	£13.02	4.99%	🇯🇵 Japan
130	York Water YORW	£0.39 B	£24.03	0.12%	🇺🇸 USA
131	Hokkaido Gas 9534.T	£0.34 B	£4.00	4.50%	🇯🇵 Japan
132	Acinque AC5.MI	£0.34 B	£1.76	0.96%	🇮🇹 Italy
133	Shamal Az-Zour Al-Oula Power and Water Company AZNOULA.KW	£0.34 B	£310.09	0.00%	🇰🇼 Kuwait
134	Genie Energy GNE	£0.32 B	£12.46	2.22%	🇺🇸 USA
135	Yü Group YU.L	£0.30 B	£17.62	1.29%	🇬🇧 UK
136	The Okinawa Electric Power Company 9511.T	£0.27 B	£5.01	5.18%	🇯🇵 Japan
137	Artesian Resources ARTNA	£0.25 B	£24.84	1.62%	🇺🇸 USA
138	Burgenland Holding BHD.VI	£0.20 B	£69.55	1.19%	🇦🇹 Austria
139	Pure Cycle (water) PCYO	£0.19 B	£7.99	0.56%	🇺🇸 USA
140	Keiyo Gas 9539.T	£0.18 B	£5.66	0.83%	🇯🇵 Japan
141	RGC Resources RGCO	£0.17 B	£17.26	2.90%	🇺🇸 USA
142	Siljansvik AB SIVI.ST	£0.12 B	£9.33	1.81%	🇸🇪 Sweden
143	clearvise AG ABO.DE	£70.71 M	£0.94	0.45%	🇩🇪 Germany
144	SMN Power Company SMNP.OM	£69.62 M	£0.35	2.86%	🇴🇲 Oman
145	Fernheizwerk Neukölln FHW.F	£47.02 M	£20.45	0.00%	🇩🇪 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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