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