IRENA SolarCity Simulator

Rapid urbanisation

Population growth

Aging infrastructureEducated citizens

Reliable electricity

Affordable electricity

Smart cities

Energy access issue

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Environmental impacts

Issues

Drivers for renewable energy – issues

Rooftop solar PV system – innovative solutions

Sampling Simulator

Requires time

Less timeExpensive Cost effectiveResults not guaranteed

Pilot ProjectsVS

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System design

Policy instruments

Incentive schemes

Web application

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SolarCity Simulator – objective

How much is the investment return?

How much energy could be generated?

What are the suitable roof areas?

Homeowner GovernmentInvestor

Generation and revenue

Solar resources

Satellite imagery

Technical potential

3D building footprint

SolarCity platformRequirements

Economic potentialSocio-environmental benefits

SolarCity Simulator – methodology

Installation (setting)

• PV capacity• Storage capacity• Panel efficiency• Panel lifespan

Consumption (setting)

• Self-consumption rate• Annual consumption• Electricity price• Benchmark price

Financing

• Loan interest rate • Load period • Down payment

4Rooftop

• Roofs• PV surface

1

2

Policy incentives

• Generation subsidy • Installation subsidy• Corporate tax rate• Corporate tax credit

6System and roof rental cost

• PV system • Storage • Maintenance and operation• Roof rental

3

Environmental impacts

• CO2 emission factor• Particulate matter (PM) emission factor• Nitrogen oxides (NOx) emission factor• Car emission factor• Trees sequestering factor

7

5

How to use the simulator – input parameters

Installation

PV surface

Annual production

Annual consumption

Financing

Upfront investmentPayback to equityTotal revenue Net incomeCash flow

InvestmentPayback to equityEquity Internal Rate of Return

Alternative energy reductionGovernment spending

Environmental and social benefits

CO2 emission reduction

PM and NOx emission reduction

Cars not driven

Trees planted

Jobs created

1 2 3

How to use the simulator – output parameters

Favorable project Unfavorable project

Settlement1

LoanInterest rateDown payment

Selling price2

Electricity priceBenchmark price

Policy incentives3

Generation subsidiesInstallation subsidiesCorporate tax rateCorporate tax credit

Payback to equityNet income

EIRRGHG emission

Job created

Payback to equityNet incomeEIRR

How to build a simulation – guidance

Demo

Rooftop solar PV

Target setting Policy design

Educated citizens

Reliable electricity

Affordable electricity

Environmental impacts

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SolarCity Simulator – key messages

System cost

Policy incentives

Energy consumption

System features

PV Capacity

Loan options

Dr. Vincent Kitio,Chief of Urban Energy UnitUN-Habitat

Dr. Marc PerezSenior ResearcherClean Power Research

Mr. Suleiman Babamanu,Technical Project Lead - 5m Solar connections programmeRural Electrification Agency

Peterson D. FrancisMayor, CastriesSaint Lucia

Panel discussion

Dr. Rabia Ferroukhi,Director, Knowledge, Policy and Finance CentreIRENA

Yariv CohenFounder Ignite Power

Questions?

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