Spokane, WA
Electrification ROI based on Avista rates and local rebates
Population: 229,000•Climate: cold•Electric: $0.095/kWh•Gas: $1.15/therm
Best Upgrade
Solar Panels
16.7 years • 9% ROI
Annual Savings
$2,285/year
Full electrification
Total Incentives
$19,200
Federal + utility rebates
Visual ROI Analysis
Payback Period Comparison
Lower is better • Shortest payback = fastest return on investment
Annual Savings Comparison
Higher is better • More annual savings = greater long-term benefit
Cumulative Net Savings Over Time
Point where line crosses $0 = payback achieved • Steeper line = faster savings growth
Detailed ROI by Upgrade
Heat Pump HVAC System
Replace gas furnace + AC with an all-electric heat pump
🌡️
Costs
Upfront cost:$12,000 - $18,000
Federal tax credit:-$2,000
Avista rebate:-$2,500
City/state incentives:-$3,000
Net cost:$4,500 - $10,500
Savings & ROI
Annual savings:$63/year
Simple payback:Not Recommended
15-year ROI:-93%
CO₂ reduction:0.7 tons/year
15-year net savings:$-14,057
Solar Panels (6kW System)
Generate your own electricity from the sun
☀️
Costs
Upfront cost:$15,000 - $21,000
Federal tax credit (30%):-$5,400
City/state incentives:-$500
Net cost:$9,100 - $15,100
Savings & ROI
Annual savings:$749/year
Simple payback:16.7 years
25-year ROI:9%
CO₂ reduction:3.6 tons/year
Full Electrification Package
Heat pump + Solar + Heat pump water heater + EV charger
⚡
Costs
Total upfront cost:$30,300 - $45,000
Total federal credits:-$10,400
Total utility rebates:-$4,000
City/state incentives:-$4,800
Net cost:$11,100 - $25,800
Savings & ROI
Annual savings:$2,285/year
Simple payback:8.5 years
15-year ROI:-3%
Total CO₂ reduction:10.5 tons/year
15-year net savings:$-3,369
Spokane Energy Context
Climate & Usage
Climate zone:cold
Heating degree days:6,650
Cooling degree days:550
Avg home size:2,000 sq ft
Energy Costs
Utility provider:Avista
Electricity rate:$0.095/kWh
Natural gas rate:$1.15/therm
Avg monthly bills:$118 elec + $82 gas
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