Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90Seattle City Light 2015 Annual Report - 18 - BALANCE SHEETS - ASSETS AND DEFERRED OUTFLOWS OF RESOURCES AS OF DECEMBER 31, 2015 AND 2014 ($ in millions) 2015 2014 ASSETS UTILITYPLANT—At original cost: Plant-in-service—excluding land 4,168.2 $ 3,936.0 $ Less accumulated depreciation and amortization (1,671.8) (1,612.9) Total plant-in-service—net 2,496.4 2,323.1 Construction work-in-progress 319.8 252.4 Nonoperating property—net of accumulated depreciation 11.8 10.5 Assets held for future use 60.8 71.8 Land and land rights 72.7 70.5 Total utility plant—net 2,961.5 2,728.3 RESTRICTED ASSETS: Rate stabilization account 91.0 114.4 Municipal light and power bond reserve account 73.7 47.9 Construction account 88.7 123.8 Special deposits and other restricted assets 11.7 12.3 Total restricted assets 265.1 298.4 CURRENT ASSETS: Cash and equity in pooled investments 152.5 128.3 Accounts receivable (includes $1.5 and $1.6 at fair value), net of allowance of $8.4 and $7.7 78.7 73.1 Interfund receivables 3.5 1.5 Unbilled revenues 70.5 64.6 Materials and supplies at average cost 32.8 30.8 Prepayments, interest receivable, and other current assets 1.6 0.5 Total current assets 339.6 298.8 OTHER ASSETS: Conservation costs—net 243.8 228.1 Environmental costs—net 31.2 34.5 Other charges and assets—net 64.5 57.1 Total other assets 339.5 319.7 TOTAL ASSETS 3,905.7 3,645.2 DEFERRED OUTFLOWS OF RESOURCES Unrealized contributions and losses related to Pension 33.4 - Charges on advance refunding 16.4 19.3 TOTAL DEFERRED OUTFLOWS OF RESOURCES 49.8 19.3 TOTAL ASSETS AND DEFERRED OUTFLOWS OF RESOURCES 3,955.5 $ 3,664.5 $ See notes to financial statements. THE CITY OF SEATTLE—CITY LIGHT DEPARTMENT 18