Heat%and%the%city%Interna.onal%Workshop%% University*of*Edinburgh,*253*October*2014* * * * * ** ! District!hea+ng,!urban!planning!and! energy!management!at!a!metropolitan! scale.!The!case!of!! ! ! * !Laurence!Rocher! A!renewal!of!interest!for!DH,!between!opportuni+es! and!path!dependency!

• DH*as*a*privileged*means*for*increasing*renewables:*the* crucial*role*of*urban*infrastructure*in*energy*transiDon* processes*and*analysis*(Bulkeley,*Monstadt,*Guy,*Marvin)*

• Networks*exist:*physically,*and*through*concession* contracts…*

• Metropolitan5wide*energy*management*:*InsDtuDonal* reconfiguraDons*

• Urban*planning*(towards*a*cohesive*set*of*LA* competences),*urban*projects*(opportuniDes*for*network* extension*and*technological*experiment)* Towards!a!metropolitan?wide!planned!network! RESEAUX DE CHALEUR NOVEMBRE 2013

DOMMARTIN SATHONAY- COLLONGES- CAMP MIRIBEL AU-MONT- SAINT- D'OR NEYRON SAINT- RILLIEUX- DIDIER-AU- CYR-AU- LA-PAPE ± MONT-D'OR MONT-D'OR • Climate*acDon*plan*:*increase* CHAMPAGNE- CALUIRE- AU-MONT- ET-CUIRE D'OR

of*renewables*in*DH* VAULX- MARCY- LYON EN-VELIN L'ETOILE 9EME CHARBONNIERES- LYON 4EME LES- ECULLY BAINS LYON 6EME DECINES- LYON 1ER CHARPIEU

• SAINT- An*inventory*of*networks,* TASSIN-LA- GENIS-LES- DEMI-LUNE LYON OLLIERES LYON 3EME launch*of*a*Master*Plan*for*DH* 5EME LYON 2EME LYON 7EME FRANCHEVILLE SAINTE-FOY- LYON LES-LYON 8EME LA MULATIERE • Greater*Lyon*want*to*hold*

energy5competence,*including* SAINT- SAINT- FONS PIERRE- PRIEST DH** BENITE

SAINT- VENISSIEUX GENIS- LAVAL SOUCIEU-EN- JARREST

• 0150152015*:*Greater*Lyon* becomes*a*Métropole,*with* ORLIENAS

full*competence*in*energy*and* CHARLY SAINT- SYMPHORIEN- D'OZON DH*(ability*to*sign*concession*

MILLERY SEREZIN- MARENNES contract*with*operators)* DU-RHONE MONTAGNY

TERNAY SIMANDRES GRIGNY CHASSAGNY VILLETTE- LUZINAY DE-VIENNE 0 1 250 2 500 5 000 DGDU / DPPA / OVD Mètres Les réalisations exemplaires de l’agglomération lyonnaise RENOVATION equipement industriel

chaufferie bois sur reseau de chaleur Reluctance!vénissieuxfrom / 2011!municipali+es!

• The*present*situaDon:*7*public*networks* • Held*by*municipaliDes,*run*by*private*operators*(Dalkia,*Cofely,…)* • Heat*for*public*buildings*(hospitals,*schools)*and*social*housing* • Recent*investment*in*new*boilers*(fuelled*by*biomass)* • DH*someDmes*important*in*municipal*policy*and*poliDcs*(ex*:*Vénissieux)*

coûts et montaGe

resultat

2

intervenants

caracteristiques techniques

Agence Locale de l’Energie de l’agglomération lyonnaise 8, rue béranger - 69006 Lyon tél : 04 37 48 22 42

www.ale-lyon.org 112 EI - 2011 What!renewables!?!What!about!!sustainable!‘ecocyclic’!urban! metabolisms!(Coutard*&*Rutherford,*2011)** • Compulsory*connecDon*possible*if*DH*fuelled*by*50%*renewable*and* recovered*energy* • Biomass*:*air*quality** • Waste*energy** – Energy*from*waste*(incinerator)*:*depends*on*future*choice*in*waste* management* – Waste*heat*from*industry*:*local*cluster*is** studying*possibiliDes* – By5products*from*refinery*industry:** environmental*suitability?**

* District!hea+ng!constraints,!urban!goals!:!converging! and!diverging!issues! • Converging*goals*with*density*(incenDves*for*dense*areas* served*by*DH)***

• (possible)*diverging*goals*with*demand5based*energy* efficiency*soluDons,*favoured*in*retrofiang*and*eco*housing*

• Large*scale*urban*projects*(La*Confluence)*:* – Phase*1*:*Building5scale*soluDons*privileged* – Phase*2*:*opportunity*to*experiment*new*DH*techniques* Conclusion** • The*Lyon*renewal*of*interest*for*DH*has*to*be*understood*in* light*of** – NaDonal*agenda*:*incenDves*for*DH,*insDtuDonal*reform*of* metropolitan*areas* – Local*agenda*:*climate*policy,*energy*policy,*metropolitan* envisioning*of*energy*and*planning*issues**

• Developing*and*managing*DH*has*to*do*with*:** – A*need*for*long*term*planning*and*for*coherence*with*many* other*policies** – A*reality*made*of*mulDple*overlapping*facts*(contracDng*with* operators*5*and*jurisdicDonal*events5,*securing*sources,*life*span* of*plants)*with*their*own*Dming*

• (exisDng)*infrastructure*is*indeed*to*be*carefully*scruDnized* in*order*to*address*energy*and*law*carbon*transiDons!*