Even after Inazuma, Electro is probably the most niche Element in Genshin Impact. Its Elemental Reactions typically aren't the most desirable, and there are even some cases where having an Electro character on the team can ruin the team composition by messing up reactions. However, allegedly leaked Dendro reactions show that when Dendro releases, Electro use might be more widespread.
The Elemental Reactions that Electro is used for include Electro-charged, which is its reaction with Hydro. This reaction deals solid damage and can even keep some smaller enemies from attacking. Superconduct, Electro's reaction with Cryo, is rarely used since there are so few physical carries in the game. And Overloaded, which is Electro's reaction with Pyro, is more often than not avoided, since Vaporize and Melt are so much more valuable for damage in Genshin Impact.
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However, Genshin Impact leaks have brought up what Electro's reaction with Dendro will be and how it will affect gameplay. This leaked reaction is called Intensified and benefits both Electro and Dendro. This reaction, based on how strong it is once it hits live servers, could potentially be meta changing, or at least bring Electro characters up to compete with the Pyro and Cryo carries.
What the Genshin Impact community knows about Intensified so far is that the reaction boosts the damage of which Element triggered it. So, for example, if Dendro is applied to an enemy and the player applies Electro, Intensified will boost Electro damage for a short time, and vice versa. If the damage boost is noticeable enough, this will make Dendro supports want to be with an Electro DPS, or current Electro
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