What is the average electricity bill in Nampa, ID?

Nampa, Idaho, a vibrant Treasure Valley city, shines with affordability, especially in electricity costs, making it a standout choice for cost-conscious residents. As of June 2025, Nampa’s average monthly residential electricity bill is ~$106.84, a striking 24% below the U.S. average of $140.54, per recent data. This low cost enhances Nampa’s appeal for families, professionals, and retirees.

Electricity rates in Nampa average 11.89 cents per kilowatt-hour (kWh), just above Idaho’s 11.52 cents but far below the national 16.59 cents. Typical households consume 942 kWh monthly, less than Idaho’s 1,010 kWh average. Idaho Power’s tiered pricing—starting at 8.7476 cents/kWh plus a $15 service fee—yields a ~$113 bill for 950 kWh. A 3.73% rate hike in 2025 adds ~$3.50 monthly, yet costs remain competitive.

Idaho’s hydroelectric dominance, supplying 43% of electricity, alongside wind, solar, and natural gas, keeps rates low. Residents can slash bills further with energy-efficient upgrades like LED bulbs or smart thermostats. Solar panels, with a 10-year payback, could save ~$11,923 over 20 years, leveraging Nampa’s 200+ sunny days.

With a population of 106,289 and a median household income of $72,122, Nampa balances growth with affordability. Housing ($340,000 median) and low utility costs complement vibrant community events like the Snake River Stampede. While growth strains infrastructure, electricity remains a bargain. Proximity to Lake Lowell and trails like the Indian Creek Greenbelt adds outdoor allure, making Nampa a financially savvy, charming home for diverse lifestyles, blending Western spirit with practical living.