This chapter looks at data from three new CSO releases, “Domestic Metered Public Water Consumption 2015", "Environmental Subsidies and Similar Transfers 2015" and "Networked Gas Consumption 2016". The chapter also includes data from our existing quarterly "Domestic Building Energy Ratings” and "Non-Domestic Building Energy Ratings" releases.
The chapter also contains statistics on aspects of Ireland’s Environmental Economy. The data on Material Flow Accounts and Environment Taxes are compiled by the CSO in accordance with Eurostat requirements set out in Regulation (EU) No. 691/2011.
| 5.1 Domestic Metered Public Water Consumption 2015 | |||||
| Threshold level | Number of meters | Total water consumption (Cubic metres) | Average water consumption (Litres per meter per day) | Median water consumption (Litres per meter per day) | Average/ Median (Ratio) |
| Total (all meters) | 771,348 | 92,926,702 | 383 | 252 | 1.52 |
| < 1,000 litres per meter per day | 744,890 | 64,141,313 | 274 | 245 | 1.12 |
| < 5,000 litres per meter per day | 766,665 | 76,758,624 | 318 | 251 | 1.27 |
| < 10,000 litres per meter per day | 769,176 | 82,120,381 | 339 | 251 | 1.35 |
| Source: CSO | |||||
The average consumption per meter per day in 2015 varied from 274 litres to 383 litres depending on whether domestic water meters recording large consumption are included or excluded.
| 2014 | 2015 | |
| 1st | 30 | 36 |
| 2nd | 99 | 101 |
| 3rd | 148 | 150 |
| 4th | 190 | 192 |
| 5th | 230 | 232 |
| 6th | 270 | 273 |
| 7th | 317 | 320 |
| 8th | 378 | 381 |
| 9th | 477 | 479 |
| 10th | 1634 | 1663 |
| Total | 381 | 383 |
| 5.2 Domestic Building Energy Ratings by County 2009-20171 | |||||||||
| % of row | |||||||||
| County | Energy Rating | Average age | |||||||
| A | B | C | D | E | F | G | Total | ||
| Carlow | 1 | 10 | 40 | 26 | 11 | 5 | 7 | 9,742 | 29 |
| Dublin 01-24 | 3 | 13 | 32 | 25 | 14 | 6 | 7 | 153,902 | 36 |
| Dublin County | 8 | 14 | 36 | 24 | 10 | 4 | 4 | 49,462 | 27 |
| Kildare | 5 | 11 | 41 | 25 | 9 | 3 | 5 | 27,659 | 24 |
| Kilkenny | 1 | 10 | 38 | 26 | 12 | 5 | 9 | 11,649 | 34 |
| Laois | 1 | 11 | 40 | 21 | 12 | 6 | 9 | 11,033 | 29 |
| Longford | 0 | 10 | 35 | 27 | 13 | 7 | 9 | 6,044 | 27 |
| Louth | 2 | 14 | 43 | 22 | 10 | 4 | 6 | 18,803 | 32 |
| Meath | 4 | 12 | 45 | 22 | 9 | 4 | 5 | 21,936 | 25 |
| Offaly | 1 | 6 | 33 | 22 | 18 | 9 | 11 | 9,524 | 33 |
| Westmeath | 0 | 11 | 37 | 25 | 11 | 6 | 10 | 13,202 | 30 |
| Wexford | 1 | 8 | 38 | 28 | 13 | 5 | 8 | 23,179 | 28 |
| Wicklow | 4 | 10 | 37 | 24 | 12 | 6 | 8 | 19,969 | 32 |
| Clare | 1 | 8 | 37 | 27 | 14 | 5 | 8 | 19,510 | 31 |
| Cork City | 1 | 14 | 35 | 24 | 14 | 6 | 7 | 17,681 | 44 |
| Cork County | 2 | 16 | 41 | 21 | 9 | 4 | 7 | 63,068 | 32 |
| Kerry | 1 | 11 | 37 | 26 | 12 | 5 | 8 | 23,399 | 28 |
| Limerick City | 1 | 5 | 39 | 30 | 12 | 6 | 7 | 11,375 | 36 |
| Limerick County | 1 | 8 | 40 | 27 | 12 | 5 | 7 | 21,414 | 31 |
| Tipperary | 0 | 7 | 34 | 27 | 14 | 7 | 11 | 23,620 | 39 |
| Waterford City | 2 | 8 | 39 | 31 | 12 | 4 | 6 | 7,437 | 35 |
| Waterford County | 2 | 9 | 38 | 28 | 11 | 5 | 7 | 11,446 | 34 |
| Galway City | 1 | 8 | 37 | 31 | 14 | 6 | 5 | 10,409 | 24 |
| Galway County | 1 | 9 | 40 | 24 | 13 | 5 | 8 | 30,169 | 27 |
| Leitrim | 0 | 8 | 39 | 22 | 12 | 7 | 11 | 5,384 | 30 |
| Mayo | 1 | 8 | 36 | 27 | 12 | 6 | 10 | 19,106 | 31 |
| Roscommon | 0 | 6 | 41 | 22 | 12 | 6 | 12 | 8,390 | 31 |
| Sligo | 1 | 10 | 34 | 26 | 15 | 6 | 9 | 11,839 | 30 |
| Cavan | 1 | 12 | 42 | 21 | 11 | 5 | 9 | 10,588 | 27 |
| Donegal | 1 | 9 | 42 | 24 | 11 | 5 | 8 | 21,049 | 28 |
| Monaghan | 1 | 11 | 36 | 27 | 12 | 5 | 8 | 6,942 | 34 |
| National | 2 | 11 | 37 | 25 | 12 | 5 | 7 | 698,930 | 32 |
| Source: CSO | |||||||||
Dublin County had the highest percentage of "A" rated properties in the country (8%), followed by Kildare (5%), Meath and Wicklow both (4%), while Roscommon had the highest percentage of "G" rated dwellings (12%) of those audited in the county.
| A | B | C | D | E | F | G | |
| Carlow | 1 | 10 | 40 | 26 | 11 | 5 | 7 |
| Dublin 01-24 | 3 | 13 | 32 | 25 | 14 | 6 | 7 |
| Dublin County | 8 | 14 | 36 | 24 | 10 | 4 | 4 |
| Kildare | 5 | 11 | 41 | 25 | 9 | 3 | 5 |
| Kilkenny | 1 | 10 | 38 | 26 | 12 | 5 | 9 |
| Laois | 1 | 11 | 40 | 21 | 12 | 6 | 9 |
| Longford | 0 | 10 | 35 | 27 | 13 | 7 | 9 |
| Louth | 2 | 14 | 43 | 22 | 10 | 4 | 6 |
| Meath | 4 | 12 | 45 | 22 | 9 | 4 | 5 |
| Offaly | 1 | 6 | 33 | 22 | 18 | 9 | 11 |
| Westmeath | 0 | 11 | 37 | 25 | 11 | 6 | 10 |
| Wexford | 1 | 8 | 38 | 28 | 13 | 5 | 8 |
| Wicklow | 4 | 10 | 37 | 24 | 12 | 6 | 8 |
| Clare | 1 | 8 | 37 | 27 | 14 | 5 | 8 |
| Cork City | 1 | 14 | 35 | 24 | 14 | 6 | 7 |
| Cork County | 2 | 16 | 41 | 21 | 9 | 4 | 7 |
| Kerry | 1 | 11 | 37 | 26 | 12 | 5 | 8 |
| Limerick City | 1 | 5 | 39 | 30 | 12 | 6 | 7 |
| Limerick County | 1 | 8 | 40 | 27 | 12 | 5 | 7 |
| Tipperary | 0 | 7 | 34 | 27 | 14 | 7 | 11 |
| Waterford City | 2 | 8 | 39 | 31 | 12 | 4 | 6 |
| Waterford County | 2 | 9 | 38 | 28 | 11 | 5 | 7 |
| Galway City | 1 | 8 | 37 | 31 | 14 | 6 | 5 |
| Galway County | 1 | 9 | 40 | 24 | 13 | 5 | 8 |
| Leitrim | 0 | 8 | 39 | 22 | 12 | 7 | 11 |
| Mayo | 1 | 8 | 36 | 27 | 12 | 6 | 10 |
| Roscommon | 0 | 6 | 41 | 22 | 12 | 6 | 12 |
| Sligo | 1 | 10 | 34 | 26 | 15 | 6 | 9 |
| Cavan | 1 | 12 | 42 | 21 | 11 | 5 | 9 |
| Donegal | 1 | 9 | 42 | 24 | 11 | 5 | 8 |
| Monaghan | 1 | 11 | 36 | 27 | 12 | 5 | 8 |
| National | 2 | 11 | 37 | 25 | 12 | 5 | 7 |
| 5.3 Building Energy Ratings by County (Non-Domestic) 2009-2017 | ||||||||
| % of row | ||||||||
| County | Energy Rating | Total | ||||||
| A | B | C | D | E | F | G | ||
| Carlow | 0 | 20 | 39 | 16 | 10 | 3 | 13 | 572 |
| Dublin 01-24 | 1 | 13 | 35 | 23 | 12 | 6 | 11 | 12,525 |
| Dublin County | 1 | 14 | 37 | 21 | 10 | 6 | 10 | 3,252 |
| Kildare | 3 | 17 | 35 | 18 | 10 | 5 | 12 | 1,867 |
| Kilkenny | 1 | 18 | 32 | 19 | 10 | 4 | 18 | 706 |
| Laois | 2 | 18 | 32 | 18 | 13 | 4 | 14 | 528 |
| Longford | 1 | 16 | 32 | 20 | 13 | 8 | 10 | 340 |
| Louth | 1 | 12 | 31 | 22 | 12 | 8 | 14 | 1,227 |
| Meath | 1 | 17 | 36 | 19 | 9 | 5 | 12 | 1,524 |
| Offaly | 1 | 21 | 34 | 20 | 8 | 5 | 10 | 508 |
| Westmeath | 0 | 16 | 38 | 21 | 11 | 5 | 9 | 1,021 |
| Wexford | 1 | 12 | 34 | 20 | 13 | 8 | 14 | 1,239 |
| Wicklow | 1 | 18 | 32 | 20 | 11 | 6 | 11 | 1,349 |
| Clare | 0 | 11 | 32 | 25 | 12 | 9 | 11 | 1,311 |
| Cork City | 0 | 10 | 33 | 25 | 11 | 6 | 14 | 417 |
| Cork County | 1 | 14 | 37 | 21 | 10 | 6 | 10 | 4,058 |
| Kerry | 0 | 15 | 36 | 20 | 9 | 7 | 12 | 1,188 |
| Limerick City | 0 | 8 | 32 | 25 | 12 | 9 | 13 | 406 |
| Limerick County | 1 | 13 | 35 | 22 | 12 | 7 | 12 | 1,690 |
| Tipperary | 1 | 15 | 37 | 19 | 11 | 7 | 11 | 1,198 |
| Waterford City | 0 | 12 | 41 | 18 | 13 | 9 | 8 | 544 |
| Waterford County | 1 | 18 | 33 | 19 | 10 | 5 | 15 | 688 |
| Galway City | 1 | 10 | 36 | 22 | 13 | 5 | 11 | 487 |
| Galway County | 1 | 14 | 33 | 21 | 10 | 8 | 12 | 2,235 |
| Leitrim | 1 | 8 | 34 | 31 | 12 | 7 | 9 | 199 |
| Mayo | 1 | 14 | 34 | 20 | 11 | 7 | 13 | 1,182 |
| Roscommon | 0 | 12 | 29 | 21 | 13 | 9 | 15 | 448 |
| Sligo | 1 | 10 | 34 | 21 | 10 | 7 | 18 | 695 |
| Cavan | 1 | 12 | 33 | 20 | 14 | 7 | 13 | 576 |
| Donegal | 1 | 17 | 31 | 21 | 13 | 5 | 12 | 1,151 |
| Monaghan | 1 | 16 | 29 | 18 | 12 | 7 | 17 | 409 |
| Total | 1 | 14 | 35 | 21 | 11 | 6 | 12 | 45,540 |
| Source: CSO | ||||||||
Four counties had a combined "A" and "B" rating of 20% or higher: Offaly (22%); Carlow, Kildare and Laois (20%). In contrast Leitrim and Limerick City at 8% each had the lowest proportion of combined "A" and "B" ratings.
| A | B | C | D | E | F | G | |
| Carlow | 0 | 20 | 39 | 16 | 10 | 3 | 13 |
| Dublin 01-24 | 1 | 13 | 35 | 23 | 12 | 6 | 11 |
| Dublin County | 1 | 14 | 37 | 21 | 10 | 6 | 10 |
| Kildare | 3 | 17 | 35 | 18 | 10 | 5 | 12 |
| Kilkenny | 1 | 18 | 32 | 19 | 10 | 4 | 18 |
| Laois | 2 | 18 | 32 | 18 | 13 | 4 | 14 |
| Longford | 1 | 16 | 32 | 20 | 13 | 8 | 10 |
| Louth | 1 | 12 | 31 | 22 | 12 | 8 | 14 |
| Meath | 1 | 17 | 36 | 19 | 9 | 5 | 12 |
| Offaly | 1 | 21 | 34 | 20 | 8 | 5 | 10 |
| Westmeath | 0 | 16 | 38 | 21 | 11 | 5 | 9 |
| Wexford | 1 | 12 | 34 | 20 | 13 | 8 | 14 |
| Wicklow | 1 | 18 | 32 | 20 | 11 | 6 | 11 |
| Clare | 0 | 11 | 32 | 25 | 12 | 9 | 11 |
| Cork City | 0 | 10 | 33 | 25 | 11 | 6 | 14 |
| Cork County | 1 | 14 | 37 | 21 | 10 | 6 | 10 |
| Kerry | 0 | 15 | 36 | 20 | 9 | 7 | 12 |
| Limerick City | 0 | 8 | 32 | 25 | 12 | 9 | 13 |
| Limerick County | 1 | 13 | 35 | 22 | 12 | 7 | 12 |
| Tipperary | 1 | 15 | 37 | 19 | 11 | 7 | 11 |
| Waterford City | 0 | 12 | 41 | 18 | 13 | 9 | 8 |
| Waterford County | 1 | 18 | 33 | 19 | 10 | 5 | 15 |
| Galway City | 1 | 10 | 36 | 22 | 13 | 5 | 11 |
| Galway County | 1 | 14 | 33 | 21 | 10 | 8 | 12 |
| Leitrim | 1 | 8 | 34 | 31 | 12 | 7 | 9 |
| Mayo | 1 | 14 | 34 | 20 | 11 | 7 | 13 |
| Roscommon | 0 | 12 | 29 | 21 | 13 | 9 | 15 |
| Sligo | 1 | 10 | 34 | 21 | 10 | 7 | 18 |
| Cavan | 1 | 12 | 33 | 20 | 14 | 7 | 13 |
| Donegal | 1 | 17 | 31 | 21 | 13 | 5 | 12 |
| Monaghan | 1 | 16 | 29 | 18 | 12 | 7 | 17 |
| National | 1 | 14 | 35 | 21 | 11 | 6 | 12 |
| 5.4 Environmental Transfers by Environmental Protection/Resource Management Domain, 2011 - 2015 | |||||
| €m | |||||
| Domain | 2011 | 2012 | 2013 | 2014 | 2015 |
| Total transfers1 | 799.3 | 622.3 | 536.6 | 619.9 | 642.4 |
| of which | |||||
| Wastewater management | 286.4 | 176.2 | 146.9 | 172.1 | 184.0 |
| Protection of biodiversity and landscape | 285.6 | 264.5 | 217.5 | 212.4 | 133.1 |
| Production of energy from renewable resources | 40.8 | 53.4 | 55.5 | 89.7 | 170.9 |
| Heat/Energy saving and management | 113.5 | 68.1 | 56.9 | 90.2 | 90.0 |
| Other | 72.9 | 60.0 | 59.7 | 55.5 | 64.3 |
| 1Due to rounding, totals may not correspond with the sum of the categories. | |||||
| Source: CSO | |||||
In 2015, €642 million was paid in environmental subsidies and similar transfers to Irish corporations, households and public bodies, as well as to international environmental organisations under Irish government commitments. This was 4% higher than the amount paid in 2014 but 47% lower than the €1.2 billion provided in 2008.
Environmental protection activities were subsidised to a value of €375 million, or 58% of the total, while €268 million, or 42%, was used to support resource management activities.
| Environmental Protection Transfers | Resource Management Transfers | |
| 2000 | 545.336 | 1.56 |
| 2001 | 590.432 | 2.26 |
| 2002 | 581.543 | 5.872 |
| 2003 | 542.823 | 17.033 |
| 2004 | 516.919 | 25.858 |
| 2005 | 587.513 | 28.494 |
| 2006 | 686.577 | 29.916 |
| 2007 | 798.151 | 63.731 |
| 2008 | 1132.327 | 91.013 |
| 2009 | 1006.55 | 122.022 |
| 2010 | 1022.436 | 162.083 |
| 2011 | 634.113 | 165.176 |
| 2012 | 492.476 | 129.793 |
| 2013 | 415.99 | 120.573 |
| 2014 | 432.14 | 187.719 |
| 2015 | 374.641 | 267.722 |
| 5.5 Environment Taxes by Tax type, 2012-2016 | |||||
| €m | |||||
| Tax | 2012 | 2013 | 2014 | 2015 | 2016 |
| Total | 4,159 | 4,429 | 4,641 | 4,914 | 5,042 |
| Annual % change | -1.1% | 6.5% | 4.8% | 5.9% | 2.6% |
| % of total taxes | 8.7% | 8.8% | 8.5% | 8.2% | 8.1% |
| Energy taxes | 2,621 | 2,704 | 2,801 | 3,001 | 3,076 |
| Transport taxes | 1,472 | 1,662 | 1,783 | 1,869 | 1,908 |
| Pollution and Resource taxes | 66 | 64 | 57 | 45 | 58 |
| Source: CSO | |||||
Environment Taxes increased from €4.2 billion in 2012 to €5 billion in 2016. As a percentage of total taxes, environment taxes decreased from 8.7% in 2012 to 8.1% in 2016.
Energy taxes increased from €2.6 billion in 2012 to €3.1 billion in 2016. The share of energy tax as a percentage of total environment taxes was 63% in 2012. In 2016 the share decreased to 61%.
Transport taxes (mainly vehicle registration and motor taxes) increased from €1.5 billion in 2012 to €1.9 billion in 2016.
Pollution and Resource taxes fell from €66 million in 2012 to €58 million in 2016.
| Energy | Transport | Pollution and Resource | |
| 2002 | 1.674011932 | 1.387626186 | 0.0211798496 |
| 2003 | 1.762912565 | 1.494001 | 0.0430430386 |
| 2004 | 2.084215211 | 1.70809 | 0.0402495678 |
| 2005 | 2.212291034 | 1.96078309 | 0.04664046418 |
| 2006 | 2.232490935 | 2.18586 | 0.05279454368 |
| 2007 | 2.250468092 | 2.51576 | 0.05624202056 |
| 2008 | 2.249807837 | 2.00252 | 0.061817314 |
| 2009 | 2.26538 | 1.52271 | 0.056864134 |
| 2010 | 2.50832317 | 1.52204 | 0.062111869 |
| 2011 | 2.693945525 | 1.44882 | 0.061183048 |
| 2012 | 2.620585171 | 1.472087 | 0.066277771 |
| 2013 | 2.704263339 | 1.661559 | 0.063599 |
| 2014 | 2.800808915 | 1.783348849 | 0.05708538892 |
| 2015 | 3.000654234 | 1.868651805 | 0.04501093098 |
| 2016 | 3.07584399 | 1.907942277 | 0.0579747525 |
| 5.6 Net Material Accumulation | |||||
| million tonnes | |||||
| Description | 2010 | 2011 | 2012 | 2013 | 2014 |
| Domestic Extraction | 84.015 | 79.405 | 71.533 | 78.963 | 76.771 |
| Biomass | 34.768 | 34.936 | 33.848 | 34.996 | 35.221 |
| Metallic Minerals | 4.283 | 4.176 | 4.205 | 3.817 | 3.656 |
| Non-Metallic Minerals | 39.269 | 35.923 | 31.375 | 32.961 | 32.778 |
| Fossil Fuels | 5.695 | 4.369 | 2.105 | 7.189 | 5.115 |
| + Trade Imports | 35.811 | 34.947 | 34.751 | 36.624 | 36.418 |
| Biomass | 8.327 | 7.979 | 8.881 | 9.831 | 9.754 |
| Metallic Minerals | 5.957 | 5.864 | 5.909 | 6.060 | 6.247 |
| Non-Metallic Minerals | 3.811 | 3.754 | 3.428 | 3.759 | 3.785 |
| Fossil Fuels | 16.035 | 15.699 | 14.993 | 15.274 | 14.691 |
| Other Products | 1.681 | 1.651 | 1.540 | 1.700 | 1.942 |
| - Trade Exports | 14.660 | 15.746 | 16.376 | 15.672 | 16.702 |
| Biomass | 5.690 | 5.994 | 5.947 | 6.099 | 6.318 |
| Metallic Minerals | 3.254 | 3.956 | 3.666 | 3.641 | 3.551 |
| Non-Metallic Minerals | 1.381 | 1.336 | 1.835 | 1.996 | 2.515 |
| Fossil Fuels | 3.126 | 3.309 | 3.781 | 2.866 | 3.209 |
| Other Products | 1.210 | 1.152 | 1.147 | 1.070 | 1.109 |
| = Domestic Material Consumption | 105.165 | 98.605 | 89.908 | 99.914 | 96.487 |
| Biomass | 37.405 | 36.921 | 36.782 | 38.728 | 38.656 |
| Metallic Minerals | 6.986 | 6.085 | 6.448 | 6.236 | 6.352 |
| Non-Metallic Minerals | 41.699 | 38.341 | 32.968 | 34.724 | 34.048 |
| Fossil Fuels | 18.604 | 16.759 | 13.317 | 19.597 | 16.597 |
| Other Products | 0.471 | 0.499 | 0.394 | 0.630 | 0.833 |
| - Domestic Processed Output | 55.003 | 51.162 | 51.270 | 51.100 | 50.898 |
| Emissions to Air | 43.912 | 40.241 | 40.512 | 39.705 | 39.435 |
| Emissions to Land | 0.266 | 0.274 | 0.214 | 0.132 | 0.050 |
| Emissions to Water | 0.007 | 0.008 | 0.008 | 0.006 | 0.010 |
| Dissipative Use of Products | 10.819 | 10.640 | 10.536 | 11.256 | 11.403 |
| + Balancing Input Gases | 68.416 | 64.265 | 64.856 | 63.840 | 63.255 |
| - Balancing Output Gases | 58.800 | 57.748 | 59.684 | 60.083 | 59.810 |
| = Net Material Accumulation | 59.8 | 54.0 | 43.8 | 52.6 | 49.0 |
| Source: CSO | |||||
| Biomass | Metallic Minerals | Non-Metallic Minerals | Fossil Fuels | |
| 2010 | 34.768 | 4.283 | 39.269 | 5.695 |
| 2011 | 34.936 | 4.176 | 35.923 | 4.369 |
| 2012 | 33.848 | 4.205 | 31.375 | 2.105 |
| 2013 | 34.996 | 3.817 | 32.961 | 7.189 |
| 2014 | 35.221 | 3.656 | 32.778 | 5.115 |
The volume of total domestic extraction fell from 84 million tonnes in 2010 to 71.5 million tonnes in 2012 before rising to 76.8 million tonnes in 2014. This was mainly driven by changes in the domestic extraction of non-metallic minerals which fell from 39.3 million tonnes in 2010 to 31.4 million tonnes in 2012, before rising to 32.8 million tonnes in 2014. The remaining components of domestic extraction in 2014 were biomass at 35.2 million tonnes, metallic minerals at 3.7 million tonnes and fossil fuels at 5.1 million tonnes. Trade imports of materials in 2014 amounted to 36.4 million tonnes compared with 16.7 million tonnes of exports. Fossil fuels (at 14.7 million tonnes) were the largest import category in 2014. Total emissions declined from 55 million tonnes in 2010 to 51.2 million tonnes in 2011 remaining stable at that level from 2011 to 2014. The trend in total emissions was driven largely by movement in its most important component – emissions to air
| 5.7 Networked Gas Consumption by Quarter for Residential Sector 2011-2016 | ||||||||||
| Gigawatt hours | % of row | |||||||||
| Year | Jan-Mar | Apr-Jun | Jul-Sep | Oct-Dec | Total | Q1 | Q2 | Q3 | Q4 | |
| 2011 | 4,211 | 1,619 | 659 | 1,523 | 8,012 | 53 | 20 | 8 | 19 | |
| 2012 | 3,216 | 1,973 | 588 | 1,936 | 7,713 | 42 | 26 | 8 | 25 | |
| 2013 | 3,493 | 2,300 | 452 | 1,507 | 7,752 | 45 | 30 | 6 | 19 | |
| 2014 | 3,342 | 1,621 | 450 | 1,453 | 6,867 | 49 | 24 | 7 | 21 | |
| 2015 | 3,415 | 1,787 | 559 | 1,501 | 7,262 | 47 | 25 | 8 | 21 | |
| 2016 | 3,092 | 1,988 | 459 | 1,636 | 7,175 | 43 | 28 | 6 | 23 | |
| Source: CSO | ||||||||||
There is strong seasonal variation in networked gas consumption by households. The January to March quarter had by far the highest consumption varying from 53% of total residential usage in 2011 to 43% in 2016. In contrast July to September accounted for only 6% of total residential consumption in 2016.
| Jan-Mar | Apr-Jun | Jul-Sep | Oct-Dec | |
| 2011 | 5.762 | 2.029 | 0.681 | 1.946 |
| 2012 | 4.363 | 2.556 | 0.596 | 2.537 |
| 2013 | 4.648 | 2.926 | 0.427 | 1.914 |
| 2014 | 4.455 | 1.962 | 0.416 | 1.804 |
| 2015 | 4.522 | 2.151 | 0.557 | 1.861 |
| 2016 | 3.989 | 2.416 | 0.415 | 2.002 |
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