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Nederlands NL / English EN
Nederlands NL / English EN
Milieubarometer EN

CO₂‑footprint

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Alrijne Zorggroep - Locatie Ziekenhuis Leiden - 2025
CO₂ emission factor CO₂ equivalent
Electricity
Purchased electricity 3.683.564 kWh 0,497 kg CO₂ / kWh 1.831 tonne CO₂
Of which green electricity - wind power 1.399.755 kWh -0,497 kg CO₂ / kWh -696 tonne CO₂
Of which for charging vehicles (grey power) 1.500 kWh -0,497 kg CO₂ / kWh -0,746 tonne CO₂
Subtotal 1.134 tonne CO₂
Fuels & heat
Natural gas for heating 1.216 m³ 2,13 kg CO₂ / m³ 2,59 tonne CO₂
Heat (from heat network) 14.147 GJ 38,4 kg CO₂ / GJ 544 tonne CO₂
Subtotal 546 tonne CO₂
Water & Wastewater
Drinking-water 7.433 m³ 0,298 kg CO₂ / m³ 2,22 tonne CO₂
Wastewater 7.061 m³ domestic 0,613 kg CO₂ / m³ domestic 4,33 tonne CO₂
Subtotal 6,54 tonne CO₂
Emissions
Refrigerant - R410a 5,90 kg 2.256 kg CO₂ / kg 13,3 tonne CO₂
Refrigerant - R507 10,0 kg 4.775 kg CO₂ / kg 47,8 tonne CO₂
Subtotal 61,1 tonne CO₂
Commercial waste
Swill 3.570 kg 0,007 kg CO₂ / kg 0,0250 tonne CO₂
Used frying fat 199 kg 0,007 kg CO₂ / kg 0,00139 tonne CO₂
Paper and cardboard 13.680 kg 0,007 kg CO₂ / kg 0,0958 tonne CO₂
Paper - confidential 2.660 kg 0,007 kg CO₂ / kg 0,0186 tonne CO₂
Plastic - clean foil 150 kg 0,051 kg CO₂ / kg 0,00765 tonne CO₂
White and brown goods 762 kg 0,032 kg CO₂ / kg 0,0244 tonne CO₂
Electronic waste 306 kg 0,032 kg CO₂ / kg 0,00979 tonne CO₂
Unsorted construction and demolition waste 11.600 kg 0,016 kg CO₂ / kg 0,186 tonne CO₂
Packaging waste (mix) 1.817 kg 0,051 kg CO₂ / kg 0,0927 tonne CO₂
Residual waste 100.480 kg 0,038 kg CO₂ / kg 3,82 tonne CO₂
Glass 450 kg 0,026 kg CO₂ / kg 0,0117 tonne CO₂
Subtotal 4,29 tonne CO₂
Hazardous waste
Oily waste diverse 12,0 kg 0,038 kg CO₂ / kg 0,000456 tonne CO₂
Old drugs 262 kg 0,038 kg CO₂ / kg 0,00996 tonne CO₂
Specific hospital waste 24.385 kg 0,038 kg CO₂ / kg 0,927 tonne CO₂
Lab chemicals - general 78,0 kg 0,038 kg CO₂ / kg 0,00296 tonne CO₂
Halogen-poor organic (lab chemicals cat 3) 10,0 kg 0,038 kg CO₂ / kg 0,000380 tonne CO₂
Halogen-rich organic (Lab chemicals cat 4) 124 kg 0,038 kg CO₂ / kg 0,00471 tonne CO₂
Batteries 102 kg 0,038 kg CO₂ / kg 0,00388 tonne CO₂
Small hazardous waste 5,00 kg 0,038 kg CO₂ / kg 0,000190 tonne CO₂
Polluted emballage 64,0 kg 0,038 kg CO₂ / kg 0,00243 tonne CO₂
Fluorescent tubes / high pressure lamps 196 kg 0,038 kg CO₂ / kg 0,00745 tonne CO₂
Subtotal 0,959 tonne CO₂
Visitor traffic
Public transport 983.726 passenger km 0,014 kg CO₂ / passenger km 13,8 tonne CO₂
Bicycle and walking 171.078 km 0 kg CO₂ / km 0 tonne CO₂
Car 3.122.257 carkilometers 0,191 kg CO₂ / carkilometers 596 tonne CO₂
Subtotal 610 tonne CO₂
Business traffic
Delivery van km 56.000 km 0,282 kg CO₂ / km 15,8 tonne CO₂
Subtotal 15,8 tonne CO₂
CO₂ Emissions 2.379 tonne CO₂