Nashville, TN
Electrification ROI based on NES rates and local rebates
Population: 689,000•Climate: mixed•Electric: $0.115/kWh•Gas: $1.18/therm
Best Upgrade
Solar Panels
14.4 years • 32% ROI
Annual Savings
$2,384/year
Full electrification
Total Incentives
$11,250
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
NES rebate:-$500
Net cost:$9,500 - $15,500
Savings & ROI
Annual savings:$101/year
Simple payback:Not Recommended
15-year ROI:-89%
CO₂ reduction:0.5 tons/year
15-year net savings:$-13,488
Solar Panels (6kW System)
Generate your own electricity from the sun
☀️
Costs
Upfront cost:$15,000 - $21,000
Federal tax credit (30%):-$5,400
Net cost:$9,600 - $15,600
Savings & ROI
Annual savings:$907/year
Simple payback:14.4 years
25-year ROI:32%
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:-$850
Net cost:$19,050 - $33,750
Savings & ROI
Annual savings:$2,384/year
Simple payback:11.5 years
15-year ROI:1%
Total CO₂ reduction:10.2 tons/year
15-year net savings:$-1,883
Nashville Energy Context
Climate & Usage
Climate zone:mixed
Heating degree days:3,800
Cooling degree days:1,750
Avg home size:2,100 sq ft
Energy Costs
Utility provider:NES
Electricity rate:$0.115/kWh
Natural gas rate:$1.18/therm
Avg monthly bills:$145 elec + $62 gas
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