2009 geothermal energy

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Agendagenda Geothermal energyGeothermal energy

Technology and usesTechnology and uses Benefits & challengesBenefits & challenges

Current climate for developmentCurrent climate for development Client: Snohomish Pulic !tility "istrictClient: Snohomish Pulic !tility "istrict Pro#ect: $nvironmental AssessmentPro#ect: $nvironmental Assessment

%as & 'egulations%as & 'egulations

(vervie of Permits(vervie of Permits (ptions ) $*S$C(ptions ) $*S$C

Case Studies & +oving *orardCase Studies & +oving *orard


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eothermaleothermal The ord geothermal comes from theThe ord geothermal comes from the

Gree, ords geo -earth. and thermeGree, ords geo -earth. and therme

-heat./-heat./ Generated in the earth0s core1 aoutGenerated in the earth0s core1 aout

21333 miles elo the surface/21333 miles elo the surface/

$4hiited in the form of volcanoes1$4hiited in the form of volcanoes1geysers1 and hot springs at surface/geysers1 and hot springs at surface/


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Technologyechnology *ive main types of geothermal plants*ive ma

in types of geothermal plants

"ry Steam"ry Steam

*lash Steam*lash Steam

Binary CycleBinary Cycle

$GS $nhanced Geothermal Systems$GS $nhanced Geothermal Systems

G5P Geothermal 5eat PumpsG5P Geothermal 5eat Pumps


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Benefitsenefits C%$ANC%$AN

66$mission)free7$mission)free7

8N$9P$NS8$8N$9P$NS8$ Stale electricity pricesStale electricity prices

C(NS8ST$NTC(NS8ST$NT Base load energy ) supplies lo)cost energyBase load energy ) supplies lo)cost energy

at constant rate in order to meet the region;sat constant rate in order to meet the region;s

continuous energy demandcontinuous energy demand


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Co mpariso n wit h oth ero mpariso n wit h oth erenerg y so urcesnerg y so urces

operating availaility ? hydro dams1 coal operating availaility ? hydro dams1 coaland natural gasand natural gas

5igher capacity factor than ind & solar5igher capacity factor than ind & solar @@rdrdlargest domestic source of renealelargest domestic source of reneale

energy -after hydro and iomass.energy -after hydro and iomass. < estern states have potential to provide over< estern states have potential to provide over

3> of national electricity needs3> of national electricity needs Currently1 geothermal produces less than >Currently1 geothermal produces less than >

of !S electricityof !S electricity


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l oball obal eot hermaleot hermal Cap aci tyap aci ty


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Challengeshallenges *inding & leasing of land*inding & leasing of land

'emote1 rural areas'emote1 rural areas (ften on state or federal lands(ften on state or federal lands

$4ploration and drilling costs$4ploration and drilling costs @ to D of pro#ect cost@ to D of pro#ect cost Eells costs eteen F and F million eachEells costs eteen F and F million each

Success rate for discovering geothermalSuccess rate for discovering geothermal

resources in ne areas is aout 3>resources in ne areas is aout 3> Need to upgrade transmission systemNeed to upgrade transmission system Productivity may decline over timeProductivity may decline over time


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Hot sp otsot sp ots


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e !elopme nt in "#$#e !elopme nt in "#$# < Eestern States< Eestern States

Alas,a1 AriHona1 California1 5aaii1 8daho1 Nevada1Alas,a1 AriHona1 California1 5aaii1 8daho1 Nevada1Ne +e4ico1 (regon1 and !tahNe +e4ico1 (regon1 and !tah

$ach have potential for at least 33 +E of poer$ach have potential for at least 33 +E of poergeneration per state -Circular I


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%deal e ogra phydeal e ogra phy olcanicolcanic

5ot springsgeysers5ot springsgeysers

+arine climate+arine climate

*racturefault Hones*racturefault Hones

*lat terrain*lat terrain

AuiferousAuiferous


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Cost


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eothermal En ergy ineothermal En ergy in$n ohomish Co unty ' An ohomish Co unty ' A


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Cli ent:li ent:$n ohomish Co unty P" n ohomish Co unty P" %argest P!" in Eashington State%argest P!" in Eashington State

Serves @L1333 customersServes @L1333 customers

L3> of energy from BPA -hydropoer.L3> of energy from BPA -hydropoer.

8nterest in e4panding reneale energy8nterest in e4panding reneale energy

Tidal and geothermal e4plorationTidal and geothermal e4ploration

Preliminary studies on geothermalPreliminary studies on geothermal


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$n ohomish P" oalsn ohomish P" oalsfor eothermalor eothermale!elopmente!elopment +eet 8) of electricity from+eet 8) of electricity from

reneale sources y 33reneale sources y 33

$lectricity needs for groing population$lectricity needs for groing population $4ploratory "rilling: Summer of 33


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(e gula to ry )u estio nse gula to ry )u estio ns Guidance on ho to tac,le regulationsGuidance on ho to tac,le regulations

and permitsand permits

Not clear aout developing geothermalNot clear aout developing geothermalclose to rivers1 and in ilderness andclose to rivers1 and in ilderness and

rural areasrural areas

Better understanding of federal1 state1Better understanding of federal1 state1and private leasingdevelopmentand private leasingdevelopment


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Pe rmit Ha ndboo*e rmit Ha ndboo* Permit 5andoo,Permit 5andoo,

Addresses ater1 air1 land and constructionAddresses ater1 air1 land and construction

issues1 S$PA 'evie1 and $*S$Cissues1 S$PA 'evie1 and $*S$C Timeline of hen to applyTimeline of hen to apply

'elevant case studies'elevant case studies


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En !ir onmental %mpacts Eater use

Air emissions

%and use compatiility and disturance

Easteater and haHardous aste

Noise and visual impacts

Culturalhistoric resources impacts


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+aws and (e gula tio ns Clean Air Act N$PA M federal lands or pro#ects that receive federal funds S$PA M state or private land Clean Eater Act NP"$S !nderground 8n#ection Control 'egulations 'C'A To4ic Sustance Control Act Noise Control Act

$SA Archaeological 'esources Protection Act 5aHardous Easte and +aterials 'egulations


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Agencies %and

City or county "epartment of $cology

"epartment of Archaeology and 5istoric Preservation "rilling

"epartment of Natural 'esources

Eater "epartment of $cology

Air "epartment of $cology Puget Sound Clean Air Agency


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'ater Permitsater Permits Issues:Issues:

*ish and Eildlife*ish and Eildlife

"iverting(structing *lo and Bed 'econfiguration"iverting(structing *lo and Bed 'econfiguration SiHe and location of drain fieldsSiHe and location of drain fields

Types of Permits:Types of Permits:

JA'PAJA'PA Eater 'ightsEater 'ights

231 232231 232

NP"$SNP"$S


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+and,"se a ndand,"se a ndCo nstr uctiono nstr uction

Issues:Issues: *ederal vs/ PrivateState %ands*ederal vs/ PrivateState %ands ConstructionConstruction

*loodplains1 shorelines1 and critical areas*loodplains1 shorelines1 and critical areas oningoning

Types of Permits:Types of Permits:

Building and Grading permitsBuilding and Grading permits *loodplain "evelopment1 Shorelines1 Critical Areas*loodplain "evelopment1 Shorelines1 Critical Areas

(rdinances(rdinances Archaeological $4cavation1 *orest PracticesArchaeological $4cavation1 *orest Practices


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Air Pe rm its 8ssues

$missions None -inary plants. or little -flash plants.

$mit ater vapor -loo,s li,e smo,e. 5ydrogen sulfide

(ccurs naturally1 turns into sulfur dio4ide

Types of Permits Ne Source 'evie Construction Permits

Prevention of Significant "eterioration Notice of Construction

Title Air (perating Permits


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r il li ng Pe rm it $nvironmental chec,list

Blan,et performance ond

+ap of drill site layout

%ocation and source of ater supply

Topography description

"N' site inspection


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Bla n*et Bo nd Ne drilling1 re)drilling or deepening

$nvironmental chec,list

"rilling permit F31333


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$EPA "efine the proposal

8nitiation ) $nvironmental chec,list

$nvironmental revie $nvironmental impacts

Necessary permits

%ead agency determination


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E.$EC $nergy *acility Site $valuation Council 6(ne)stop7 siting process 'eneale energy facilities may opt)in Preempts local land use ordinances

Ale to avoid N8+BO

Site Certification Agreement 8ncludes permits under *ederal Eater Pollution

Control Act and *ederal Clean Air Act +ore predictale outcome

Appeals go straight to State Supreme Court


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Th e eyse rs CAh e eyse rs CA *irst geothermal*irst geothermal

plant in !/S/ -


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Ch ena Ho t $p ringsh ena Ho t $p ringsAla s* ala s* a ststgeothermalgeothermal

energy facility in AKenergy facility in AK +oderate+oderate

temperaturetemperature Binary)cycle plantBinary)cycle plant Cost)effectiveCost)effective

'emote location'emote location Coe4ists ith otherCoe4ists ith other

land uses M tourismland uses M tourism

QTours availaleof poer plant

QAurora 8ce+useum iscooled y an

asorption chiller


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-ewberry /regonewberry /regon %ong history%ong history


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Th e 'ay .orwa rd State reneale

standards

*ederal ta4 creditand stimulus

$nhanced Geothe
http://www.youtube.com/watch?v=O6r_3AgI49Yhttp://www.youtube.com/watch?v=O6r_3AgI49Y


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-e w +egisl atio n0US climate change legislation hits the fast trackReports claim climate change bill could clear next hurdle by end of the month

Andre "onoghue1 BusinessGreen1 3 Jun 33

2009 geothermal energy

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