SOLAR FOR HOMES TYLER HUEBNER, RENEW WISCONSIN BETTER BUILDINGS BETTER BUSINESS CONFERENCE, WI DELLS • FEBRUARY 16, 2018 ABOUT RENEW WISCONSIN: FOUNDED 1991 SUPPORT FOR: - SOLAR - WIND - BIOMASS & BIOGAS - GEOTHERMAL - HYDROPOWER WHY SOLAR POWER IN WISCONSIN? CompareIT’S Solar SUNNY Resource ENOUGH by Region IN WISCONSIN Germany: 7% Solar Germany Wisconsin: USA USA 0.15% Solar Annual Insolation (kWh(kWh / m2 / year) Photos courtesy SunPeak INSTALLED SOLAR COSTS ARE DOWN 75% SINCE 2009 $8.00 16,000 $7.00 14,000 $6.00 12,000 $5.00 10,000 $4.00 8,000 $3.00 6,000 DC) - ($/watt) $2.00 4,000 (MW $1.00 2,000 Blended Average Solar PV Price Price PV Solar Average Blended $- 0 2009 2010 2011 2012 2013 2014 2015 2016 Q3 2017 Solar PV Installations Forecasted Solar PV Prices Capacity PV solar Installed Annual TECHNOLOGY KEEPS IMPROVING: SOLAR PANEL EFFICIENCY INCREASES SOLAR IS RELIABLE Photo: Solar Power World Most solar panels sold today come with a 25 year manufacturers warranty. Why Wisconsin Families “Go Solar” Photo: Solar • Save money + Power World Hedge against rising utility prices • Increase the value of your home • Produce your own energy • Take meaningful action that you can feel good about! Why Wisconsin Families “Go Solar” Photo: Solar Power World Money leaving Wisconsin every year! WISCONSIN SOLAR POWERED HOMES: EQUIPMENT & APPLICATIONS “Grid-tied” Solar Electric System • Utility supplies any electricity not produced by panels (at night, cloudy days) • Least expensive • System size (in kW) determined by • Yo u r e l e c t r i c u s e • Yo u r property Components of a PV System “Panels” or “Modules” “Inverter” make up an “Array” • Converts DC electricity • Converts sunlight into from solar panels AC electricity electricity used by • No moving parts appliances • Warrantied for 25 years • Warrantied for 10 • Designed to handle golf years ball-sized hail • Connects to • Snow melts off due to monitoring equipment roof pitch and dark color Slide courtesy of MREA What makes a home good for solar? ¡ Do I have a south “ish” facing roof or location? ¡ East & West applications increasingly common ¡ Is my roof unshaded? ¡ Is my roof structurally sound? ¡ Do I expect my roof to last at least 10 more years? ¡ Is my home energy efficient? A 2017 MadiSUN installation by ¡ Do you want to “drive on sunshine?” Midwest Solar Power Wisconsin’s First Solar Subdivision to Rise in New Berlin - 34 residences - Solar on every roof - May 2017 ground- breaking SOLAR FOR HOMES: ECONOMICS & INCENTIVES Residential Renewables Rewards: 12% incentive off the system cost, capped at $2000 Budget of $1.35 million for 2018 Federal Tax Credits $15,000 Solar Cost Exercise - $1,800 - $3,960 $9,240 $15,000 Solar Cost Exercise - $1,800 - $3,960 $9,240 $15,000 Solar Cost Exercise - $1,800 - $3,960 $9,240 $15,000 Solar Cost Exercise - $1,800 - $3,960 $9,240 Tariff on Imported Solar Panels Electric Rates Utility Residential Rates / kWh Regular Time-of-Use We Energies 13.1¢ 19.7 / 9.0 Madison Gas & Electric 13.6¢ 23-29 / 7.5 Alliant 11.7¢ 17.9 / 7.4 Xcel 12¢ 19-20 / 7.5 Wisc. Public Service 10¢ 22 / 6 Net Metering Extra electricity you produce can be banked for later! Net Metering: Daily Snapshot Net Metering – Monthly Snapshot Solar Energy Value Same 5 kilowatt solar PV array Assume 1,200 kilowatt-hours of production for every kilowatt of solar (WI average) 6,000 kilowatt-hours of solar production per year Utility Residential Rates / kWh $ Savings in Year 1 – $ Savings in Year 1 – Regular Time-of-Use Standard Rates Time of Use Rates We Energies 13.1¢ 19.7 / 9.0 $786 $1021 Madison Gas & Electric 13.6¢ 23-29 / 7.5 $816 $1282 Alliant 11.7¢ 17.9 / 7.4 $702 $916 Xcel 12¢ 19-20 / 7.5 $720 $990 Wisc. Public Service 10¢ 22 / 6 $600 $1080 Solar Energy Value Same 5 kilowatt solar PV array Assume 1,200 kilowatt-hours of production for every kilowatt of solar (WI average) 6,000 kilowatt-hours of solar production per year Utility Residential Rates / kWh $ Savings in Year 1 – $ Savings in Year 1 – Regular Time-of-Use Standard Rates Time of Use Rates We Energies 13.1¢ 19.7 / 9.0 $786 $1021 Madison Gas & Electric 13.6¢ 23-29 / 7.5 $816 $1282 Alliant 11.7¢ 17.9 / 7.4 $702 $916 Xcel 12¢ 19-20 / 7.5 $720 $990 Wisc. Public Service 10¢ 22 / 6 $600 $1080 “Simple Payback” Exercise Solar “Simple Payback” on Regular Rates – Average $720 per year in solar value Solar ”Simple Payback” on Time-of-Use Rates – Average $1080 per year in solar value “Simple Payback” Exercise Solar “Simple Payback” on Regular Rates – Average $720 per year in solar value 12.8 years Solar ”Simple Payback” on Time-of-Use Rates – Average $1080 per year in solar value 8.6 years Solar homes sold 20% faster and for 17% more than the equivalent non-solar homes across several subdivisions (construction by different builders). NREL (National Renewable Energy Laboratory) In a study across six states, Berkeley National Lab found that home buyers will pay a premium for solar homes. Lawrence Berkeley National Laboratory RENEW WISCONSIN RENEW WISCONSIN PRESENTATION RENEW WISCONSIN PRESENTATION 2018 Wisconsin Solar Group Buys SOLAR FOR HOMES: ELECTRIC CARS Courtesy of Greentech Media, July 22, 2014 SOLAR FOR HOMES – THANK YOU & QUESTIONS TYLER HUEBNER, RENEW WISCONSIN BETTER BUILDINGS BETTER BUSINESS CONFERENCE, WI DELLS • FEBRUARY 16, 2018.