diff --git a/data/costs.csv b/data/costs.csv
index 8953eb8a..eb32d0fc 100644
--- a/data/costs.csv
+++ b/data/costs.csv
@@ -17,7 +17,7 @@ geothermal,2030,lifetime,40,years,IEA2010
 biomass,2030,lifetime,30,years,ECF2010 in DIW DataDoc http://hdl.handle.net/10419/80348
 oil,2030,lifetime,30,years,ECF2010 in DIW DataDoc http://hdl.handle.net/10419/80348
 onwind,2030,investment,1040,EUR/kWel,DEA https://ens.dk/en/our-services/projections-and-models/technology-data
-offwind,2030,investment,1640,EUR/kWel,DEA https://ens.dk/en/our-services/projections-and-models/technology-data
+offwind,2030,investment,1441,EUR/kWel,DEA https://ens.dk/en/our-services/projections-and-models/technology-data
 offwind-ac-station,2030,investment,250,EUR/kWel,DEA https://ens.dk/en/our-services/projections-and-models/technology-data
 offwind-ac-connection-submarine,2030,investment,2685,EUR/MW/km,DEA https://ens.dk/en/our-services/projections-and-models/technology-data
 offwind-ac-connection-underground,2030,investment,1342,EUR/MW/km,DEA https://ens.dk/en/our-services/projections-and-models/technology-data