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Resources

RESOURCES USED IN THE PRODUCTION OF ELECTRICITY AND HEAT
  2009 2010 2011
Fuels (TJ)   
Natural gas 43,980 34,748 32,789
Coal 1,793 17,822 16,350
HFO (heavy fuel oil)
1,265 1,642 772
Diesel 1 111 130
Waste and biomasses 12,707 15,136 14,377
RDF (from external suppliers) 646 666 1,780
RDF (from Group plants) 1,110 1,076 357
Biogas (from Group landfills and purifiers) 712 665 682
Vehicle fuels  (TJ)   
Petrol 1.6 1.1 2.5
Diesel 1.3 3.4 3.3
Methane 1.1 0.3 0.02
Electricity (TJ) 368 518 529
Consumed water resource (thousands of m3)   
From aqueducts 304 395 425
From wells 3,523 5,239 6,581
From surface water bodies 27 19 22
Surface water resource taken for the production of electricity and fully returned to the water body (thousands of m3)   
Hydroelectric production 2,363,990 3,457,880 3,292,092
Thermoelectric production 390,124 746,573 698,425
Chemical products and materials (t)
Lime and neutralising solids 28,434 39,893 38,964
Ammonia (solution) 4,820 5,274 5,029
Cement. sand and inert materials 2,213 2,466 2,534
Urea (solution) 1,885 2,063 2,417
Sodium hydroxide (solution) 1,043 1,154 913
Active carbons 838 868 924
Mineral acids 506 806 797
Additives/water conditioners 207 231 303
Sodium chloride 91 90 42
Oils and lubricants 54 80 72
Odourisers 0 0 0
Technical gases (nitrogen, CO2, hydrogen, oxygen) 254 230 236
Methanol. solvents and other products 22 12 51
RESOURCES USED FOR THE DISTRIBUTION OF ELECTRICITY
  2009 2010 2011
Vehicle fuels (TJ)   
Petrol 4.4 5.7 7
Diesel 7.4 5 10.1
Methane 3 3.5 2.6
Electricity (TJ) 0 0 0
Consumed water resource (thousands of m3
From aqueducts 251 350 214
From wells 0 127 163
From surface water bodies 0 0 0
Chemical products and materials (t)
Lime and neutralising solids 0 0 0
Ammonia (solution) 0 0 0
Cement, sand and inert materials 0 0 0
Urea (solution) 0 0 0
Sodium hydroxide (solution) 0 0 0
Active carbons 0 0 0
Mineral acids 0 0 0
Additives/water conditioners 0 0 0
Sodium chloride 0 0 0
Oils and lubricants 1.8 6.1 2.6
Odourisers 0 0 0
Technical gases (nitrogen, CO2, hydrogen, oxygen) 0 0 0
Methanol, solvents and other products 0 0 0
RESOURCES USED FOR DISTRICT HEATING
  2009 2010 2011
Vehicle fuels (TJ)  
Petrol 1.6 0.1 3.5
Diesel 2.1 0.4 2.2
Methane 1.6 0.9 1.7
Electricity (TJ) 32 33 29
Heat energy (TJ - external purchase) 669.6 817.2 780
Consumed water resource (thousands of m3)  
From aqueducts 13.9 5.2 20.4
From wells 0 0 0
From surface water bodies 0 0 0
Chemical products and materials (t) 
Lime and neutralising solids 0 0 0
Ammonia (solution) 0 0 0
Cement, sand and inert materials 0 0 0
Urea (solution) 0 0 0
Sodium hydroxide (solution) 111 113 146
Active carbons 0 0 0
Mineral acids 207 208 256
Additives/water conditioners 44 32 43
Sodium chloride 2.1 18.4 0
Oils and lubricants 0 0 0
Odourisers 0 0 0
Technical gases (nitrogen, CO2, hydrogen, oxygen) 0 0.1 0.1
Methanol, solvents and other products 1.47 3.61 0.1
RESOURCES USED FOR GAS DISTRIBUTION
  2009 2010 2011
Fuels (TJ)   
Natural gas  (TJ) 26 25 51
Vehicle fuels (TJ)      
Petrol 3.7 3.3 6.3
Diesel 8.4 11.8 10.6
Methane 2.4 2.2 3.1
Electricity (TJ) 2.1 0.6 2
Consumed water resource (thousands of m3)   
From aqueducts 23.8 0 0.5
From wells 0 0 0
From surface water bodies 0 0 0
Chemical products and materials (t)
Lime and neutralising solids 0 0 0
Ammonia (solution) 0 0 0
Cement, sand and inert materials 0 0 0
Urea (solution) 0 0 0
Sodium hydroxide (solution) 0 0 0
Active carbons 0 0 0
Mineral acids 0 0 0
Additives/water conditioners 0 0 0
Sodium chloride 0.6 0.1 0.3
Oils and lubricants 0 0 0
Odourisers 50 57 55
Technical gases (nitrogen, CO2, hydrogen, oxygen)* 0 0 0.1
Methanol, solvents and other products 0 0 0
* Also included are usage by auxiliary services and self-consumption by the gas reduction cabins of the networks of the Milan area and the Abruzzo area; self-consumption by the Group’s other distribution networks is excluded.
RESOURCES USED FOR THE INTEGRATED WASTE CYCLE
  2009 2010 2011
Fuels (TJ)  
Natural gas 0 0 0
Diesel 31 35 28
Vehicle fuels - waste collection and sweeping - TJ  
Petrol 3.6 2.9 3.9
Diesel 293 307 324
Methane 80 107 111
Electricity 0.2 0.2 0.2
Electricity (TJ) 74 84 81
Water resources consumed – plants* (mthousands)
From aqueducts 83 492 109
From wells 297 323 307
From surface water bodies 0 0 0
Chemical products and materials (t) 
Lime and neutralising solids 202 307 418
Ammonia (solution) 1,120 771 215
Cement, sand and inert materials 109,994 110,418 50,260
Sodium hydroxide (solution) 3,988 4,233 3,423
Active carbons 1 13 22
Mineral acids 2,443 2,925 2,217
Additives/water conditioners 137 180 232
Sodium chloride           -    1,520 1,640
Oils and lubricants 37 30 32
Technical gases (nitrogen, CO2, hydrogen, oxygen) 740 1,036 623
Methanol, solvents and other products 102 343 26
* The figure for water resources for 2010 also includes the quantity used for urban waste collection and street sweeping
RESOURCES USED IN THE INTEGRATED WATER SERVICE
    2009 2010 2011
Combustibles (TJ) Methane 13.5 8.7 0.1
Diesel 0.03 0.02 0.03
Electricity (TJ)   352 316 293
Vehicle fuels (TJ)   Petrol 1.8 0.9 1.9
Methane 4.2 3.2 4.6
Diesel 2.8 2.8 1.0
 Chemical products (t)             Methanol, solvents and other products 2,372.2 1,542.4 518.4
Mineral acids 487.7 491.8 372.6
Additives/water conditioners 2,459.5 3,975.6 3,174.5
Ammonia solution 0 0 0
Technical gases 0 138.3 113.8
Lime and neutralisers 37.0 50.0 32.8
Active carbons 29.8 19.4 62.4
Cement and inert materials 0 0 0
Sodium chloride (common salt) 0 0 0
Sodium hydroxide solution (caustic soda) 0 0 0
Odourisers 0 0 0
Hydraulic oils and lubricants 1 0 0
Urea (solution) 0 0 0
RESOURCES USED IN GENERAL SERVICES
  2009 2010 2011
Water (thousand of m3) n/av 264 770
Electricity (TJ) n/av 66 105
Fuels (TJ)      
Diesel n/av 3 3
Methane n/av 86 92
Vehicle fuels (TJ)      
Petrol n/av 3 2
Methane  n/av 5 3
Diesel n/av 9 10