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44 National Grid Gas plc Annual Report and Accounts 2009/10
1. Segmental analysis continued
c) Capital expenditure and depreciation
Depreciation
Capital expenditure and amortisation
2010 2009 2010 2009
£m £m £m £m
Operating segments - continuing operations
Gas Transmission 232 389 127 123
Gas Distribution 670 598 201 177
Gas Metering 65 90 102 113
Other activities 5322
972 1,080 432 415
d) Total assets
Total assets
2010 2009
£m £m
Operating segments - continuing operations
Gas Transmission 3,990 3,866
Gas Distribution 6,592 6,139
Gas Metering 662 729
Other activities 47
11,248 10,741
Unallocated 6,597 7,691
17,845 18,432
2. Other operating income
Capital expenditure comprises additions to property, plant and equipment and intangible assets amounting to £904m (2009: £1,048m) and
£68m (2009: £32m) respectively. There was no capital expenditure in respect of discontinued operations.
Depreciation and amortisation includes depreciation of property, plant and equipment and amortisation of intangible assets amounting to
£413m (2009: £400m) and £19m (2009: £15m) respectively. There was no depreciation and amortisation in respect of discontinued
operations.
Unallocated total assets include amounts owed by fellow subsidiaries, cash and cash equivalents, taxation, financial investments and
derivative assets.
Other operating income includes income on disposal of properties as a result of property management, emissions trading income, and pension
deficit recovery.