Introduction to Introduction to RETScreenRETScreen Clean Energy Clean Energy

Decision Analysis Software Decision Analysis Software

YawkeyYawkey ClubClub

June 3June 3rdrd and 4and 4thth, 2008, 2008

Wilson RickersonWilson Rickerson

Solar Boston ProgramSolar Boston Program

TODAY!TODAY!

•• Introduction to Introduction to RETScreenRETScreen softwaresoftware

•• Introduction to solar water heatingIntroduction to solar water heating

•• Introduction to the Introduction to the RETScreenRETScreen solar water heating modelsolar water heating model

•• Overview of financial incentivesOverview of financial incentives

•• Case studiesCase studies

Climate Action PlanClimate Action Plan

2000: Boston joins ICLEI2000: Boston joins ICLEI——Cities for Climate ProtectionCities for Climate Protection

2005: U.S. Mayors Climate Protection Agreement2005: U.S. Mayors Climate Protection Agreement

Kyoto Protocol targetsKyoto Protocol targets

2007: 2007: Executive Order Relative to Climate ActionExecutive Order Relative to Climate Action::

� Greenhouse Gas Emissions reduction goals:

� 7% below 1990 levels by 2012

� 80% below 1990 levels by 2050

� Creation of Boston Energy Alliance

� Non Profit Corporation

� Citywide energy efficiency, renewable energy and demand-response

implementation

� All private projects over 50,000

square feet must be LEED

“Certifiable”

� All public projects must be

LEED Silver certified

� 10 million square feet of LEED

construction is currently in the

pipeline.

Green Building Green Building

Action Plan Action Plan

Brigham & Women’s Hospital

John Hancock Building

Fenway Park Fenway Park April 9, 2008April 9, 2008

Thomas M. MeninoMayor of Boston

Samuel W. BodmanUS Secretary of Energy

Fenway Park EventFenway Park Event

•Mayor announces:• 25 MW by 2015 for Boston• $500,000 for four municipal PV projects• NREL on roof of Police HQ (Otto Van Geet)

• Red Sox announce solar hot water to meet 37% of demand

• Commonwealth of Massachusetts announces $50,000 grant for 15 SWH engineering studies on City buildings

Area Network

The Answer? Solar Water HeatingThe Answer? Solar Water Heating

•• No grid interactionNo grid interaction

•• Cheaper than PVCheaper than PV

•• Quicker payback than PVQuicker payback than PV

•• NoNo--brainer for heated brainer for heated

swimming poolsswimming pools

SWH in China

Credit: Paradigma

Heating and Cooling in the USHeating and Cooling in the US

70%

9%

21%

Space Heating

Space Cooling

Water Heating57%

17%

26%

Space Heating

Space Cooling

Water Heating

67% of Residential Energy Use 33% of Commercial Energy Use

Electricity = 2.33 quads

Fossil Fuels = 8.45 quads

Center for Energy and Environmental PolicyCenter for Energy and Environmental Policy

Cen

ts/k

Wh

Cen

ts/k

Wh

$/G

al$/

Gal

$/10

00 c

u f

t$/

1000

cu

ft

8.24¢

10.66¢10.66¢$1.49

$2.77$2.77

$1.56

$2.85$2.85

$7.76

$13.01$13.01

Climbing Conventional Energy Prices: U.S.Climbing Conventional Energy Prices: U.S.

NG

Gasoline

Heating Oil

Electricity

20072007

20012001

20022002

20032003

20042004

20052005

20062006

75%75%

Yr 2000

Price

125%125%

150%150%

175%175%

200%200%

US

En

erg

y P

rice

Incr

ease

sU

S E

ner

gy

Pri

ce In

crea

ses

20002000

Source: U.S. EIA database (2008)

Solar HeatingSolar Heating

•• US solar water and air heating US solar water and air heating

markets collapsed in 1986markets collapsed in 1986

•• Currently 1,554 Currently 1,554 MWthMWth SWH SWH

installedinstalled……

•• Excluding Excluding 18,844 18,844 MWthMWth pool heating pool heating

(#1!)(#1!)

Recent Solar Thermal GrowthRecent Solar Thermal Growth

Solar Water and Space Heating Installed Annually

0

20

40

60

80

100

120

2002 2003 2004 2005 2006 2007P

Year

Rest of U.S.

Hawaii

Solar W

ater H

eatin

g per c

apita

Solar W

ater H

eatin

g per c

apita

657

498

299.49

205.36

191.82

86.7

59.15

56.3

42.32

41.58

39.9

38.25

37.83

35.6

33.16

20.17

19.06

17.63

15.92

13.21

12.95

10.14

9.91

9.24

8.32

7.31

6.23

5.21

0

150

300

450

600

750

Cyprus

Israel

Barbados

Austria

Greece

Turkey

Australia

Germany

Denmark

Taiwan

China

Japan

Slovenia

Switzerland

Malta

Luxembourg

Portugal

Sweden

New Zealand

Netherlands

Spain

Brazil

Tunisia

France

Slovak Republic

Albania

Italy

United States

Total capacity per 1,000 inhabitants [kW th]

RETScreenRETScreen®® InternationalInternationalClean Energy Decision Support CentreClean Energy Decision Support Centre

•• Free renewable energy analysis software Free renewable energy analysis software

sponsored by the Canadian governmentsponsored by the Canadian government

•• Targets cost reductions in project assessmentTargets cost reductions in project assessment

•• Developed over 10 years and supported by fullDeveloped over 10 years and supported by full--

time technical stafftime technical staff

•• Training & technical support provided via an Training & technical support provided via an

international network of RETScreeninternational network of RETScreen®®TrainersTrainers

•• Can used without licensing feesCan used without licensing fees

© Minister of Natural Resources Canada 2001 – 2004.

•• Clean Energy Project Analysis: RETScreenClean Energy Project Analysis: RETScreen®®Engineering & CasesEngineering & Cases

� Professional and University-level electronic textbook

� Background of technologies

� Detailed description of RETScreen® algorithms

� 60+ international case studies of real projects

� Available free-of-charge in English & French

© Minister of Natural Resources Canada 2001 – 2004.

ee--Textbook & Case StudiesTextbook & Case Studies

Pre-feasibilityAnalysis

PrePre--feasibilityfeasibilityAnalysisAnalysis

FeasibilityAnalysis

FeasibilityFeasibilityAnalysisAnalysis

Development& EngineeringDevelopmentDevelopment& Engineering& Engineering

Construction &CommissioningConstruction &Construction &CommissioningCommissioning

Significant barrierSignificant barrier

Clean EnergyClean Energy projects projects

not being not being routinely routinely

considered upconsidered up--front!front!

Energy Project Energy Project

Implementation ProcessImplementation Process

© Minister of Natural Resources Canada 2001 – 2004.

$100 to $1,000,000!$100 to $1,000,000!

Accuracy vs. Investment Cost DilemmaAccuracy vs. Investment Cost Dilemma

Cell Colour CodingCell Colour Coding

© Minister of Natural Resources Canada 2001 – 2004.

white

yellow

blue

grey

Coming up nextComing up next……

An introduction to solar water heatingAn introduction to solar water heating