Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
Electricity is regular. It follows the -ies Conversion rule.
Use plural verbs: "The electricities are ready" (not "is ready").
Yes. The plural electricities is standard across all English variants.
The word electricity follows the standard English pluralization rule. When forming the plural, electricity becomes electricities. This follows the -ies Conversion pattern, which is one of the most common plural rules in English.
Understanding why electricity becomes electricities helps with spelling and pronunciation. Nouns ending in a consonant followed by -y change the -y to -ies in the plural form.
When using electricities in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The electricities are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.