Seattle City Light 2016 ANNUAL REPORT | Audited Financial Statements 20 - 20 - BALANCE SHEETS - ASSETS AND DEFERRED OUTFLOWS OF RESOURCES AS OF DECEMBER 31, 2016 AND 2015 ($ in millions) 2016 2015 ASSETS UTILITYPLANT—At original cost: Plant-in-service—excluding land 4,410.3 $ 4,168.2 $ Less accumulated depreciation and amortization (1,735.3) (1,671.8) Total plant-in-service—net 2,675.0 2,496.4 Construction work-in-progress 392.5 319.8 Nonoperating property—net of accumulated depreciation 12.7 11.8 Assets held for future use 59.5 60.8 Land and land rights 75.0 72.7 Total utility plant—net 3,214.7 2,961.5 RESTRICTED ASSETS: Rate stabilization account 91.1 91.0 Municipal light and power bond reserve account 87.0 73.7 Construction account 28.4 88.7 Special deposits and other restricted assets 15.5 11.7 Total restricted assets 222.0 265.1 CURRENT ASSETS: Cash and equity in pooled investments 72.9 152.5 Accounts receivable (includes $2.1 and $1.5 at fair value), net of allowance of $10.7 and $8.4 92.7 78.7 Interfund receivables 5.1 3.5 Unbilled revenues 76.6 70.5 Materials and supplies at average cost 36.0 32.8 Prepayments and other current assets 3.2 1.6 Total current assets 286.5 339.6 OTHER ASSETS: Conservation costs—net 252.4 243.8 Environmental costs—net 83.1 31.2 Other charges and assets—net 60.7 64.5 Total other assets 396.2 339.5 TOTAL ASSETS 4,119.4 3,905.7 DEFERRED OUTFLOWS OF RESOURCES Unrealized contributions and losses related to Pension 64.6 33.4 Charges on advance refunding 30.3 16.4 TOTAL DEFERRED OUTFLOWS OF RESOURCES 94.9 49.8 TOTAL ASSETS AND DEFERRED OUTFLOWS OF RESOURCES 4,214.3 $ 3,955.5 $ See notes to financial statements. THE CITY OF SEATTLE—CITY LIGHT DEPARTMENT