Photovoltaics. Agenda What is PV? System Types Mounting Options Product Options System cost &...
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Transcript of Photovoltaics. Agenda What is PV? System Types Mounting Options Product Options System cost &...
PhotovoltaicsPhotovoltaics
AgendaAgenda
What is PV? What is PV?
System TypesSystem Types
Mounting OptionsMounting Options
Product OptionsProduct Options
System cost & performanceSystem cost & performance
System sizing considerationsSystem sizing considerations
Advantages of PVAdvantages of PV
Challenges of PV Challenges of PV
Questions & AnswersQuestions & Answers
What is PV?What is PV?
The Photovoltaic EffectThe Photovoltaic Effect
Basic PV SystemBasic PV System
Flat-Plate PV SystemsFlat-Plate PV Systems
The most common array design uses flat-plate PV The most common array design uses flat-plate PV modulesmodules
PV System TypesPV System Types
Grid tieGrid tie
Off grid Off grid
Stand-aloneStand-alone
Hybrid Hybrid
Grid TieGrid Tie
Off GridOff Grid
Stand AloneStand Alone
Hybrid systemHybrid system
PV & WindPV & Wind
Mounting OptionsMounting Options
Roof MountRoof Mount
Ground MountGround Mount
Pole MountPole Mount
Building IntegratedBuilding Integrated
Roof MountRoof Mount
Ground MountGround Mount
Pole MountPole Mount
PV Product OptionsPV Product Options
Monocrystalline & PolycrystallineMonocrystalline & Polycrystalline
ShinglesShingles
TilesTiles
Thin FilmThin Film
Polycrystalline / MonocrystallinePolycrystalline / Monocrystalline
ShinglesShingles
TilesTiles
Thin FilmThin Film
System sizing considerationsSystem sizing considerations
– Electrical load requirementElectrical load requirement– Budget Budget – Roof space / LandRoof space / Land
Advantages of PV Advantages of PV
Reliable & DurableReliable & Durable– 25 years for PV panels25 years for PV panels– 10 years for inverters10 years for inverters
Low maintenance costLow maintenance cost
Energy independenceEnergy independence
Utah is ideal for PVUtah is ideal for PV
Hedge against rising electricity ratesHedge against rising electricity rates
Utilities across the U.S are raising power prices
The price of coal has doubled since last yearThe price of coal has doubled since last year
Natural gas prices are up nearly 50%Natural gas prices are up nearly 50%
More rate increases expected when federal legislation, anticipated by 2010, passes and forces coal-fired generators to pay fees to emit global-warming gases
The Challenges of PV The Challenges of PV
Initial costInitial cost
Energy storageEnergy storage
Efficiency improvementsEfficiency improvements
Lack of general knowledgeLack of general knowledge
Power is still cheap in UtahPower is still cheap in Utah
System Cost & Performance System Cost & Performance Average Cost for a Average Cost for a
3kW system3kW system(At $8 per watt)(At $8 per watt)
$15,400$15,400(After State & Fed tax (After State & Fed tax
credits)credits)
Estimated Estimated electricity electricity
generated per yeargenerated per year
5,700 kWh5,700 kWh
(kilowatt-hours)(kilowatt-hours)
Estimated yearly Estimated yearly value of PV value of PV generated generated electricityelectricity
$570 $570 (@ $.10/kWh)(@ $.10/kWh)
Tax CreditsTax Credits
State Tax CreditState Tax Credit– 25% (not to exceed $2,000)25% (not to exceed $2,000)
Federal Tax CreditFederal Tax Credit– 30% of the total system cost 30% of the total system cost
Including installationIncluding installation
All solar equipment is exempt from sales All solar equipment is exempt from sales taxtax
Questions & AnswersQuestions & Answers