The federal energy tax credits have expired

Costs and payback figures on this page may still assume a federal credit that no longer exists. The 30% Residential Clean Energy Credit (25D) and the Energy Efficient Home Improvement Credit (25C) both ended for property placed in service after 31 December 2025, and the home EV charger credit (30C) ended after 30 June 2026. Assume no federal credit on work done today.

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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
24.0 years • 9% ROI
Annual Savings
$2,285/year
Full electrification
Total Incentives
$8,800
Federal + utility rebates
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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:-$0
Avista rebate:-$2,500
City/state incentives:-$3,000
Net cost:$6,500 - $12,500

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%):-$0
City/state incentives:-$500
Net cost:$14,500 - $20,500

Savings & ROI

Annual savings:$749/year
Simple payback:24.0 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:-$0
Total utility rebates:-$4,000
City/state incentives:-$4,800
Net cost:$21,500 - $36,200

Savings & ROI

Annual savings:$2,285/year
Simple payback:13.1 years
15-year ROI:-3%
Total CO₂ reduction:10.5 tons/year
15-year net savings:$-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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