diff --git a/config.default.yaml b/config.default.yaml
index 0ed52c0d..b0c8e60c 100644
--- a/config.default.yaml
+++ b/config.default.yaml
@@ -274,7 +274,7 @@ industry:
   HVC_mechanical_recycling_fraction: 0. # fraction of today's HVC produced via mechanical recycling
   HVC_chemical_recycling_fraction: 0. # fraction of today's HVC produced via chemical recycling
   HVC_production_today: 52. # MtHVC/a from DECHEMA (2017), Figure 16, page 107; includes ethylene, propylene and BTX
-  MWh_elec_per_tHVC_mechanical_recycling: 3. # estimate
+  MWh_elec_per_tHVC_mechanical_recycling: 0.547 # from SI of https://doi.org/10.1016/j.resconrec.2020.105010, Table S5, for HDPE, PP, PS, PET. LDPE would be 0.756.
   MWh_elec_per_tHVC_chemical_recycling: 6.9 # Material Economics (2019), page 125; based on pyrolysis and steam cracking
   chlorine_production_today: 9.58 # MtCl/a from DECHEMA (2017), Table 7, page 43
   MWh_elec_per_tCl: 3.6 # DECHEMA (2017), Table 6, page 43