Top list · Japan

Top 94 Energies in Japan

This curated ranking covers the 94 largest energies in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. E.ON, OVO and Duracell lead the list with a combined estimated audience of 459k people. Across all 94 entries the average audience size is 12k, and the largest, E.ON, reaches around 207k people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each energy, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.

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How to read this list

Rank

Position in the Top 94, sorted by audience size from largest to smallest. Updated weekly.

Audience size

Estimated number of unique people in Japan who actively engage with this audience, derived from anonymized search-behavior signals.

Country share

Share of the global audience that is active in Japan. A higher value means the audience is more locally concentrated here.

Avg age

Average age in years across the people who engage with this audience in Japan, derived from anonymized search-behavior signals. A dash means demographic data is not yet available.

Female share

Share of women among the people who engage with this audience in Japan. 50% is gender-balanced; values above mean female-skewed, below mean male-skewed.

Ranking

Rank Audience Audience size Avg age Female share Subtype
76 Stadtwerke Osnabrück 214 37.3 48.9% Energy
77 IP Gruppo Api 190 37.1 46.4% Energy
78 Gazprom 170 24.0 18.6% Energy
79 Greenpeace Energy 162 37.7 46.8% Energy
80 Stadtwerke Kiel 142 37.1 49.0% Energy
81 BKW Energie 142 36.9 46.9% Energy
82 Harzwasserwerke 116 35.5 62.0% Energy
83 Harz Energie 95 37.2 48.3% Energy
84 Gruppo Iren 71 37.5 46.7% Energy
85 Stadtwerke Emden 71 37.3 48.9% Energy
86 Iren Luce Gas 71 37.2 40.6% Energy
87 Vereinigte Stadtwerke 71 37.0 50.1% Energy
88 Tenaga Nasional 65 31.2 49.8% Energy
89 Stadtwerke Bochum 54 37.2 48.4% Energy
90 EDF Energy 53 34.8 75.3% Energy
91 Stadtwerke Wolfenbüttel 48 37.4 48.4% Energy
92 Stadtwerke Hameln 24 37.3 48.9% Energy
93 lekker Energie 11 37.2 48.3% Energy
94 Fohlenstrom 0 37.6 46.6% Energy

Want the full picture for any of these audiences?

Open any profile to see psychographics, top regions, peer affinities and demographic splits — all derived from the same anonymized signals.

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Frequently asked questions

How is this Top 94 list compiled?

Rascasse aggregates anonymized search-behavior signals across Japan and ranks each energy by its estimated audience size. Only entries with at least 5 measured entities are listed.

How often is the list updated?

The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.

What is the largest energy in Japan?

E.ON currently leads with an estimated audience of 207k people in Japan.

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