Figure 18 Renewal capital expenditure compared with depreciation for all councils excluding Christchurch City Council by type of infrastructure asset category, 2015/16 to 2022/23

This figure shows that, from 2015/16 to 2022/23: Flood protection renewals remain above 100% of depreciation every year. They peak at more than 200% in 2018/19 before reducing to about 120% from 2020/21. Roading and footpaths renewals have been consistently above 80% of depreciation from 2016/17 to 2021/22, before decreasing to 69% in 2022/23. Wastewater renewals have increased steadily from less than 50% of depreciation in 2015/16 to more than 90% in 2022/23. Water supply renewals steadily increased from less than 50% of depreciation in 2015/16 to 97% in 2020/21, before decreasing to 81% in 2022/23. Stormwater renewals have increased steadily from 30% of depreciation in 2015/16 to more than 50% in 2022/23. Other renewals have been between 65% and 80% of depreciation in every year.