{"id":34,"date":"2011-09-27T13:47:07","date_gmt":"2011-09-27T13:47:07","guid":{"rendered":"https:\/\/www.lowenergybuildings.org.uk\/leb\/?page_id=34"},"modified":"2013-12-16T16:29:17","modified_gmt":"2013-12-16T16:29:17","slug":"fuel-usage-coefficients","status":"publish","type":"page","link":"https:\/\/www.lowenergybuildings.org.uk\/leb\/technical-information\/fuel-usage-coefficients\/","title":{"rendered":"Fuel usage : coefficients"},"content":{"rendered":"<p>These coefficients are used to calculate Primary Energy requirements and CO<sub>2<\/sub> emission rates<\/p>\n<table>\n<thead>\n<tr>\n<th width=\"133\" height=\"50\">Fuel<\/th>\n<th width=\"305\">Name<\/th>\n<th width=\"122\">CO<sub>2<\/sub>emission rate<br \/>\nkg CO2 \/ kWh(final)<\/th>\n<th width=\"152\">Primary Energy Factor kWh(primary) \/ kWh(final)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"3\"><strong>Gas<\/strong><\/td>\n<td>mains gas<\/td>\n<td>0.21<\/td>\n<td>1.15<\/td>\n<\/tr>\n<tr>\n<td>bulk LPG<\/td>\n<td>0.25<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>bottled LPG<\/td>\n<td>0.25<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"6\"><strong>Oil<\/strong><\/td>\n<td>heating oil<\/td>\n<td>0.28<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>biodiesel from any biomass source<\/td>\n<td>0.1<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>biodiesel from used cooking fuel only<\/td>\n<td>0.02<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>rape seed oil<\/td>\n<td>0.06<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>appliances able to use mineral oil or liquid biofuel<\/td>\n<td>0.28<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>B30K<\/td>\n<td>0.21<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"8\"><strong>Solid<\/strong><\/td>\n<td>house coal<\/td>\n<td>0.38<\/td>\n<td>1.07<\/td>\n<\/tr>\n<tr>\n<td>anthracite<\/td>\n<td>0.37<\/td>\n<td>1.07<\/td>\n<\/tr>\n<tr>\n<td>manufactured smokeless fuel<\/td>\n<td>0.4<\/td>\n<td>1.3<\/td>\n<\/tr>\n<tr>\n<td>wood logs<\/td>\n<td>0.02<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>wood pellets (in bags, for secondary heating)<\/td>\n<td>0.04<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>wood pellets (bulk supply in bags,for main heating)<\/td>\n<td>0.04<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>wood chips<\/td>\n<td>0.02<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>dual fuel appliance (mineral and wood)<\/td>\n<td>0.24<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"8\"><strong>Electricit<\/strong><strong>y<\/strong><\/td>\n<td>Electric standard tariff<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>7-hour tariff(on-peak)<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>7-hour tariff(off-peak)<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>10-hour tariff(on-peak)<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>10-hour tariff(off-peak)<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>24-hour heating tariff<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>electricity sold to grid<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>electricity displaced from grid<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"19\"><strong>Community Heating<\/strong><\/td>\n<td>heat from boilers\u2013gas<\/td>\n<td>0.21<\/td>\n<td>1.15<\/td>\n<\/tr>\n<tr>\n<td>heat from boilers\u2013LPG<\/td>\n<td>0.25<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>heat from boilers\u2013Oil<\/td>\n<td>0.29<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>heat from boilers\u2013Coal<\/td>\n<td>0.39<\/td>\n<td>1.07<\/td>\n<\/tr>\n<tr>\n<td>heat from heat pump<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>heat from boilers\u2013waste combustion<\/td>\n<td>0.05<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>heat from boilers\u2013biomass<\/td>\n<td>0.02<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>heat from boilers\u2013biogas ( landfill or sewage gas)<\/td>\n<td>0.02<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>waste heat from power stations<\/td>\n<td>0.06<\/td>\n<td>1.15<\/td>\n<\/tr>\n<tr>\n<td>geothermal heat source<\/td>\n<td>0.04<\/td>\n<td>1.17<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-gas<\/td>\n<td>0.21<\/td>\n<td>1.15<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-LPG<\/td>\n<td>0.25<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-Oil<\/td>\n<td>0.29<\/td>\n<td>1.19<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-Coal<\/td>\n<td>0.39<\/td>\n<td>1.07<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-waste combustion<\/td>\n<td>0.05<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-biomass<\/td>\n<td>0.02<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>heat from CHP-biogas ( landfill or sewage gas)<\/td>\n<td>0.02<\/td>\n<td>1.1<\/td>\n<\/tr>\n<tr>\n<td>electricity generated by CHP<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<tr>\n<td>electricity for pumping in distribution network<\/td>\n<td>0.59<\/td>\n<td>2.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>These coefficients are used to calculate Primary Energy requirements and CO2 emission rates Fuel Name CO2emission rate kg CO2 \/ kWh(final) Primary Energy Factor kWh(primary) \/ kWh(final) Gas mains gas 0.21 1.15 bulk LPG 0.25 1.1 bottled LPG 0.25 1.1 &hellip; <a href=\"https:\/\/www.lowenergybuildings.org.uk\/leb\/technical-information\/fuel-usage-coefficients\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"parent":20,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/pages\/34"}],"collection":[{"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/comments?post=34"}],"version-history":[{"count":4,"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/pages\/34\/revisions"}],"predecessor-version":[{"id":181,"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/pages\/34\/revisions\/181"}],"up":[{"embeddable":true,"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/pages\/20"}],"wp:attachment":[{"href":"https:\/\/www.lowenergybuildings.org.uk\/leb\/wp-json\/wp\/v2\/media?parent=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}