One Heliolisk basking in the sun with its frill outspread is all it would take to produce enough electricity to power a city.
Heliolisk is an Electric/Normal-type Pokémon. It takes double damage from Fighting and Ground, resists Electric, Flying and Steel, and is immune to Ghost. Its base stats add up to 481: the highest are Special Attack and Speed (109) and the lowest is Defense (52).
It is the second stage of its evolution line, along with Helioptile. Its abilities are Dry Skin and Sand Veil, and its Hidden Ability is Solar Power. It is in the Monster and Dragon egg groups and can breed with 133 species. In Sword and Shield it learns 15 moves by level-up and 49 by TM.
BASE STATS
ABILITIES
Restores the Pokémon's HP in rain or when it is hit by Water-type moves. Reduces HP in harsh sunlight, and increases the damage received from Fire-type moves.
Boosts the Pokémon's evasiveness in a sandstorm.
In harsh sunlight, the Pokémon's Sp. Atk stat is boosted, but its HP decreases every turn.