<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>WattWise — Run the numbers on electric miles and home solar</title><description>EV charging cost calculators, state electricity comparisons, and solar payback modeling built on EIA and EPA data.</description><link>https://ev-solar-calculator.pages.dev/</link><language>en-us</language><item><title>Level 1 vs Level 2 Home EV Charger Installation: Cost, Speed &amp; Electrical Codes</title><link>https://ev-solar-calculator.pages.dev/blog/level-1-vs-level-2-home-ev-charger-installation/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/level-1-vs-level-2-home-ev-charger-installation/</guid><description>Evaluating the trade-offs of Level 1 trickle charging versus installing a 240V Level 2 hardwired station: panel capacity, NEMA outlets, and electrician costs.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>EV charging</category></item><item><title>Time-of-Use (TOU) Rates: How to Optimize EV Charging to Save $800 a Year</title><link>https://ev-solar-calculator.pages.dev/blog/time-of-use-electricity-rates-ev-charging-strategy/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/time-of-use-electricity-rates-ev-charging-strategy/</guid><description>How utility time-of-use rate plans work, off-peak super-saver hours, and how to program vehicle charge timers to slash electricity bills.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>Electricity rates</category></item><item><title>Solar Panel Payback Period by State: Where Does Rooftop Solar Pay Off Fastest?</title><link>https://ev-solar-calculator.pages.dev/blog/solar-panel-payback-period-by-state/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/solar-panel-payback-period-by-state/</guid><description>Comparing solar panel break-even payback periods across all 50 states based on electricity rates, sun hours, and net metering laws.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>Solar payback</category></item><item><title>Net Metering 3.0 Explained: Why California Solar Now Requires a Battery</title><link>https://ev-solar-calculator.pages.dev/blog/net-metering-3-0-california-solar-economics/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/net-metering-3-0-california-solar-economics/</guid><description>How California NEM 3.0 (Solar Billing Plan) cut solar export credits by 75%, and why adding a battery storage system restores solar investment ROI.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>Solar payback</category></item><item><title>EV Charging Cost: Home Charging vs Tesla Supercharger Cost Compared</title><link>https://ev-solar-calculator.pages.dev/blog/ev-charging-cost-calculator-home-vs-supercharger/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/ev-charging-cost-calculator-home-vs-supercharger/</guid><description>Comparing the real cost to charge an electric car at home ($0.16/kWh) versus public DC Fast Superchargers ($0.42/kWh), and the annual impact.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>EV charging</category></item><item><title>Heat Pump vs Gas Furnace: Operating Costs &amp; Inflation Reduction Act Rebates</title><link>https://ev-solar-calculator.pages.dev/blog/heat-pump-vs-gas-furnace-operating-cost-comparison/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/heat-pump-vs-gas-furnace-operating-cost-comparison/</guid><description>Comparing cold-climate heat pump operating costs against natural gas furnaces: COP efficiency, regional electric rates, and IRA Section 25C rebates.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>Heat pumps</category></item><item><title>The 30% Federal Clean Energy Tax Credit (Section 25D): Homeowner Guide</title><link>https://ev-solar-calculator.pages.dev/blog/federal-clean-energy-tax-credit-section-25d-guide/</link><guid isPermaLink="true">https://ev-solar-calculator.pages.dev/blog/federal-clean-energy-tax-credit-section-25d-guide/</guid><description>How to claim the 30% Residential Clean Energy Credit on IRS Form 5695 for solar panels, home battery storage, and heat pumps.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><language>en-us</language><lastBuildDate>Sun, 25 Oct 2026 19:26:20 GMT</lastBuildDate><category>Tax credits</category></item><item><title>EV Battery Degradation &amp; 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