Procuring a circular economy? Towards zero waste CIWM conference 2013

Philip Harfield Senior Project Officer Ecodesign Centre

   assess  need  

clarify  choice….  

define  specifica3on?  

LED  25000  hours  (25  years)  

Halogen  2000  hours  (2  years)  

The  procurement  decision!    

Halogen  –  35  WaG   LED  -­‐  5  WaG  

procurement  indicators!    

LED  -­‐  £12.98  Halogen  -­‐  £1.45  

Economic  assessment  of  ligh0ng  systems                    annual  energy                      126  kw/h                                          14  kw/h  

Years  Service   System  running  cost  (£)    Halogen  

System  running  cost  (£)  LED  

3   96   60  

10   250   72  

25   481   91  

 (Swedish  Energy  Agency  -­‐  LCC  tool)      

LED  closed  loop  opportuni3es  

complexity  increases:  technical  &  non-­‐technical  issues    

WARNING  contains    valuable  metals.  cri0cal  elements.        

Sapphire,  Gallium,  Aluminium,  Gold,  Silver,  Tin,  Indium,  Chromium,  Pla0num,  Cerium,  Europium,  Terbium,  YKrium,  Silicon,  Epoxy,  Copper…  

Indium

 -­‐  13  

Tin  -­‐  40  

61  -­‐  Copper  

Gold  -­‐  45  Zinc  -­‐  46  

90  -­‐  Nickel  

116  -­‐  Tanatalum  

geological availability? (years)

(Source:  Reller  &  Graedel,    New  Scien0st  2007)  

impacts of supply

geopolitical – volatile prices

social – ethical sources conflict metals

Image  source:  www.sustainaly3cs.com  

green  economy  demands  complexity!  

•  7  materials  •  Manufacturing  energy  42MJ  (per  20M  lumen-­‐hours)    

•  Use  energy  60W  

•  30+  materials  (17  materials  in  LED  chip)  

•  Manufacturing  energy  343  MJ  (per  20M  lumen-­‐hours)    

•  Use  energy  12.5W  

(DOE  2012,  DEFRA  2009)  

purchasing  a  supply  chain  

Image  :  www.sourcemap.com  

how  will  you  design  to  reduce  &  recirculate  resources?  will  collec3on  rates  deliver  viable  streams?  what  processing  technologies  are  emerging?  what  guides  or  tools  inform/assist  decision  making?    is  a  shid  to  service  based  business  models  realis3c?    

complexity  =  ques3ons  

take/make/use/break/dispose

the  linear  (sweep  it  under  the  rug)  system  is  broken    

why  have  you  made  it  un-­‐repairable?                                                              upgradable?  

 Glued  in  baGeries    Pentalobe  screws    Soldered  in  RAM    

Image  source:  www.ifixit.com  

is  obsolescence  part  of  your  business  model?  

problem:  the  things  we  procure  aren't  green  enough;  the  greenest  things  buy  into  systems!    poten3al:  need  for  partnerships  across  value  chain  –  (waste  management  to  design)  GPP  needs  to  ask  ques3ons  which  reverberate  through  value  chain      

Philip  Harfield  (Senior  Project  Officer)  Ecodesign  Centre  phil@edcw.org