Figure 1.

Fuel and energy consumption for clinker production in the base year [cement plant data]
| Type of fuel | Fuel consumption [Mg /year] | Calorific value [kJ /kg] | Fuel chemical energy [GJ /year] | Emission factor [Mg CO2 /GJ] | CO2 emissions [Mg /year] |
|---|---|---|---|---|---|
| Coal | 27 922,161 | 30 511 * | 851 933,054 | 93,080 | 79 297,928 |
| RDF alternative fuel | 55 306,338 | 18 561 | 1 026 540,940 | 87,400 | 89 719,678 |
| Dry sewage sludge | 2 840,095 | 13 512 | 38 375,364 | 89,000 | 3 415,407 |
| Heating oil | 45,149 | 42 499 | 1 918,787 | 74,000 | 141,989 |
| Sum | 86 113,743 | 1 918 768,145 | 172 575,002 |
Electricity consumption data for a new furnace installation
| kWh | t Kl. | kWh/t | |
|---|---|---|---|
| September | 838 118,4 | 27 850,4 | 30,1 |
| October | 1 088 692,6 | 33 979,1 | 32,0 |
| average | 963 405,5 | - | 31,1 |
Electricity consumption data for the furnace installation in the base year (before modernization)
| kWh | t Kl. | kWh/t | |
|---|---|---|---|
| January | 1 223 212,0 | 30 625,2 | 39,9 |
| February | 597 631,4 | 13 412,2 | 44,6 |
| March | 1 143 617,9 | 32 926,0 | 34,7 |
| April | 1 191 783,2 | 32 393,8 | 36,8 |
| May | 1 287 485,2 | 37 446,9 | 34,4 |
| June | 1 255 544,9 | 35 243,6 | 35,6 |
| July | 1 291 080,6 | 34 320,0 | 37,6 |
| August | 1 239 850,6 | 33 623,7 | 36,9 |
| September | 1 267 597,4 | 32 423,8 | 39,1 |
| October | 1 151 178,0 | 29 759,8 | 38,7 |
| November | 1 256 302,0 | 34 130,7 | 36,8 |
| December | 1 324 375,0 | 35 584,2 | 37,2 |
| average | - | - | 37,7 |
| sum | 14 229 658,2 | - | - |
Electricity consumption by a cement plant in September and October after modernization
| Parameters | Fee | Consumption |
|---|---|---|
| Unit | MWh | PLN |
| The morning peak | 12 319,004 | 3 385 212,31 zl |
| Afternoon peak | 7 059,223 | 2 347 205,31 zl |
| The rest of the day | 71 444,776 | 12 451 814,95 zl |
| Overall | 90 823,003 | 18 184 232,57 zl |
| Contract power | - | 2 746 800,00 zl |
| Variable transmission fee | - | 2 516 384,48 zl |
| Power exceeded (PDG) | - | - zl |
| Reactive power exceeded | - | 1 416,81 zl |
| Capacitive reactive power | - | 341,54 zl |
| Subscription fee | - | 5 280,00 zl |
| Including fixed fees | - | 2 752 080,00 zl |
| Including transmission fees | - | 2 518 142,84 zl |
| Including Energy charges | - | 18 184 232,57 zl |
| Average price of energy | 258,24 | - |
| Energy consumption | 90 823,003 | 23 454 455,40 zl |
Fuel prices in the base year
| Fuel type | Fuel cost before modernization PLN /t | Fuel cost after modernization PLN /t |
|---|---|---|
| Coal | 471,50 | 350,00 |
| Heating oil | 2 521,09 | 2587,77 |
| RDF | 55,35 | 30,67 |
| Sewage sludge | 38,37 | 48,46 |
Fuel consumption before and after modernization
| Fuel type | before modernization PLN/year | after modernization PLN/year |
|---|---|---|
| Coal | 13 165 298,91 | 7 827 144,50 |
| Heating oil | 113 824,69 | 352 454,27 |
| RDF | 3 061 205,81 | 1 947 038,33 |
| Sewage sludge | 108 974,45 | 41 899,97 |
| Sum | 16 449 303,86 | 10 168 537,08 |
Electricity consumption by a cement plant in the base year
| Parameters | Fee | Consumption |
|---|---|---|
| Unit | MWh | PLN |
| The morning peak | 12 319,004 | 3 385 212,31 zl |
| Afternoon peak | 7 059,223 | 2 347 205,31 zl |
| The rest of the day | 71 444,776 | 12 451 814,95 zl |
| Overall | 90 823,003 | 18 184 232,57 zl |
| Contract power | - | 2 746 800,00 zl |
| Variable transmission fee | - | 2 516 384,48 zl |
| Power exceeded (PDG) | - | - zl |
| Reactive power exceeded | - | 1 416,81 zl |
| Capacitive reactive power | - | 341,54 zl |
| Subscription fee | - | 5 280,00 zl |
| Including fixed fees | - | 2 752 080,00 zl |
| Including transmission fees | - | 2 518 142,84 zl |
| Including Energy charges | - | 18 184 232,57 zl |
| Average price of energy | 258,24 | - |
| Energy consumption | 90 823,003 | 23 454 455,40 zl |