Electabuzz locations — where to catch

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Canyon Biome — Walk
• Chargestone Cavern — Walk
• Polar Biome — Walk
• Savanna Biome — Walk

In Hisui (Legends: Arceus)

• Arena's Approach — Walk
• Cloudcap Pass — Walk
• Icebound Falls — Walk
• Space-time distortions — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Route 222 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Johto Safari Zone — Walk
• Route 10 — Walk

In Kanto (FireRed & LeafGreen)

• Kanto Power Plant — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• Route 10 — Walk

In Kanto (Red, Blue & Yellow)

• Kanto Power Plant — Walk

Other games (6)

• Sword / Shield — The Isle of Armor (Gen 8): Ballimere Lake, Frigid Sea, Frostpoint Field, Giant's Bed, Giant's Foot, Max Lair, Old Cemetery, Three-Point Pass
• Let's Go, Pikachu! / Let's Go, Eevee! (Gen 7): Kanto Power Plant
• Ultra Sun / Ultra Moon (Gen 7): Blush Mountain, Mount Hokulani
• Sun / Moon (Gen 7): Alola Route 12, Blush Mountain
• X / Y (Gen 6): Friend Safari
• XD (Gen 3): Citadark Isle

Electabuzz — full Pokédex entry