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Electric utility segment Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ 33,630 | $ 48,286 | $ 41,894 | $ 46,400 | $ 39,486 |  | $ 48,707 | $ 41,061 | $ 34,152 | $ 170,210 | $ 163,406 | [1] | $ 140,548 | [1]
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 172,762 | 160,061 | [1] | 150,389 | [1]
Other amortization |  |  |  |  |  |  |  |  |  |  | 6,795 | 4,667 | [1] | 7,958 | [1]
Impairment of utility plant |  |  |  |  |  |  |  |  |  |  | 0 | 0 | [1] | 40,000 | [1]
Increase (decrease) in deferred income taxes |  |  |  |  |  |  |  |  |  |  | 103,916 | 80,399 | [1] | 90,848 | [1]
Allowance for equity funds used during construction |  |  |  |  |  |  |  |  |  |  | (6,771) | (5,561) | [1] | (7,007) | [1]
Change in cash overdraft |  |  |  |  |  |  |  |  |  |  | (1,038) | 1,038 | [1] | 0 | [1]
Decrease (increase) in fuel oil stock |  |  |  |  |  |  |  |  |  |  | 28,041 | 27,332 | [1] | 10,129 | [1]
Increase in regulatory assets |  |  |  |  |  |  |  |  |  |  | (17,000) | (65,461) | [1] | (72,401) | [1]
Change in prepaid and accrued income taxes and utility revenue taxes |  |  |  |  |  |  |  |  |  |  | (39,091) | (19,406) | [1] | 21,079 | [1]
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability |  |  |  |  |  |  |  |  |  |  | 22,251 | (33,014) | [1] | (228) | [1]
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 325,420 | 361,568 | [1] | 278,934 | [1]
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (364,826) | (389,438) | [1] | (370,715) | [1]
Contributions in aid of construction |  |  |  |  |  |  |  |  |  |  | 41,806 | 32,160 | [1] | 45,982 | [1]
Other |  |  |  |  |  |  |  |  |  |  | 1,125 | 1,177 | [1] | 1,778 | [1]
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | (592,449) | (598,182) | [1] | (471,439) | [1]
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends |  |  |  |  |  |  |  |  |  |  | (126,458) | (98,383) | [1] | (96,202) | [1]
Proceeds from issuance of long-term debt |  |  |  |  |  |  |  |  |  |  | 125,000 | 286,000 | [1] | 457,000 | [1]
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 26,898 | 55,086 | [1] | 23,613 | [1]
Repayment of long-term debt |  |  |  |  |  |  |  |  |  |  | (111,400) | (216,000) | [1] | (375,500) | [1]
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less |  |  |  |  |  |  |  |  |  |  | 13,490 | 21,789 | [1] | 14,872 | [1]
Other |  |  |  |  |  |  |  |  |  |  | (456) | (1,187) | [1] | (2,645) | [1]
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | 222,535 | 236,988 | [1] | 141,902 | [1]
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  | (44,494) | 374 | [1] | (50,603) | [1]
As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other amortization |  |  |  |  |  |  |  |  |  |  | 8,476 |  |  |  |
Increase (decrease) in deferred income taxes |  |  |  |  |  |  |  |  |  |  | 59,184 |  |  |  |
Change in prepaid and accrued income taxes and utility revenue taxes |  |  |  |  |  |  |  |  |  |  | 12,845 |  |  |  |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 301,479 | 327,146 |  | 234,542 |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (339,721) | (353,879) |  | (325,480) |
Other |  |  |  |  |  |  |  |  |  |  | (39) | 40 |  | 935 |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | (568,508) | (563,760) |  | (427,047) |
HECO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  | 138,721 | 124,009 |  | 100,356 |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in earnings |  |  |  |  |  |  |  |  |  |  | (41,064) | (41,510) |  | (28,936) |
Common stock dividends received from subsidiaries |  |  |  |  |  |  |  |  |  |  | 26,076 | 28,505 |  | 47,035 |
Depreciation of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 109,204 | 99,738 |  | 90,783 |
Other amortization |  |  |  |  |  |  |  |  |  |  | 1,749 | 554 |  | 1,508 |
Impairment of utility plant |  |  |  |  |  |  |  |  |  |  |  |  |  | 29,000 |
Increase (decrease) in deferred income taxes |  |  |  |  |  |  |  |  |  |  | 56,901 | 41,409 |  | 66,968 |
Change in tax credits, net |  |  |  |  |  |  |  |  |  |  | 4,998 | 5,152 |  | 5,006 |
Allowance for equity funds used during construction |  |  |  |  |  |  |  |  |  |  | (6,085) | (4,495) |  | (5,735) |
Decrease (increase) in accounts receivable |  |  |  |  |  |  |  |  |  |  | 16,213 | 49,974 |  | (48,451) |
Decrease (increase) in accrued unbilled revenues |  |  |  |  |  |  |  |  |  |  | 4,680 | (7,152) |  | 2,728 |
Decrease (increase) in fuel oil stock |  |  |  |  |  |  |  |  |  |  | 25,098 | 23,563 |  | 4,861 |
Increase in materials and supplies |  |  |  |  |  |  |  |  |  |  | 4,223 | (5,598) |  | (6,683) |
Increase in regulatory assets |  |  |  |  |  |  |  |  |  |  | (14,620) | (46,047) |  | (55,605) |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (56,044) | 18,527 |  | 6,329 |
Change in prepaid and accrued income taxes and utility revenue taxes |  |  |  |  |  |  |  |  |  |  | (4,166) | 4,632 |  | 19,871 |
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability |  |  |  |  |  |  |  |  |  |  | (562) | 2,325 |  | (434) |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (46,636) | (18,618) |  | (45,366) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 218,686 | 274,968 |  | 183,235 |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (237,970) | (262,562) |  | (271,864) |
Contributions in aid of construction |  |  |  |  |  |  |  |  |  |  | 30,021 | 21,686 |  | 32,285 |
Advances from affiliates |  |  |  |  |  |  |  |  |  |  | (9,261) | 2,561 |  | (9,400) |
Other |  |  |  |  |  |  |  |  |  |  | 604 | 677 |  | 486 |
Investment in consolidated subsidiary |  |  |  |  |  |  |  |  |  |  | 0 | (12,461) |  |  |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | (216,606) | (250,099) |  | (248,493) |
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends |  |  |  |  |  |  |  |  |  |  | (88,492) | (81,578) |  | (73,044) |
Preferred stock dividends of Hawaiian Electric and subsidiaries |  |  |  |  |  |  |  |  |  |  | (1,080) | (1,080) |  | (1,080) |
Proceeds from issuance of long-term debt |  |  |  |  |  |  |  |  |  |  | 0 | 140,000 |  | 367,000 |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 40,000 | 78,500 |  | 44,000 |
Repayment of long-term debt |  |  |  |  |  |  |  |  |  |  | 0 | (90,000) |  | (259,580) |
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less |  |  |  |  |  |  |  |  |  |  | (1,000) | (17,050) |  | (46,600) |
Other |  |  |  |  |  |  |  |  |  |  | (337) | (681) |  | (1,992) |
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | (50,909) | 28,111 |  | 28,704 |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  | (48,829) | 52,980 |  | (36,554) |
Cash and cash equivalents, January 1 |  |  |  |  | 61,245 |  |  |  |  | 8,265 | 61,245 | 8,265 |  | 44,819 |
Cash and cash equivalents, December 31 |  | 12,416 |  |  |  | 61,245 |  |  |  |  | 12,416 | 61,245 |  | 8,265 |
HECO | As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (74,276) | (6,136) |  | (31,743) |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (46,032) | (17,941) |  | (44,880) |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (219,738) | (237,899) |  | (233,792) |
Other |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | 0 |
HELCO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  | 19,223 | 20,670 |  | 16,746 |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 35,904 | 34,188 |  | 33,337 |
Other amortization |  |  |  |  |  |  |  |  |  |  | 2,596 | 1,979 |  | 3,252 |
Impairment of utility plant |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,500 |
Increase (decrease) in deferred income taxes |  |  |  |  |  |  |  |  |  |  | 12,083 | 10,569 |  | 7,457 |
Change in tax credits, net |  |  |  |  |  |  |  |  |  |  | 680 | 818 |  | 522 |
Allowance for equity funds used during construction |  |  |  |  |  |  |  |  |  |  | (472) | (643) |  | (585) |
Decrease (increase) in accounts receivable |  |  |  |  |  |  |  |  |  |  | 7,150 | (1,459) |  | (1,106) |
Decrease (increase) in accrued unbilled revenues |  |  |  |  |  |  |  |  |  |  | 1,174 | (2,707) |  | 4,106 |
Decrease (increase) in fuel oil stock |  |  |  |  |  |  |  |  |  |  | 378 | 1,307 |  | 3,732 |
Increase in materials and supplies |  |  |  |  |  |  |  |  |  |  | 219 | (1,547) |  | (636) |
Increase in regulatory assets |  |  |  |  |  |  |  |  |  |  | (3,357) | (9,237) |  | (9,649) |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (6,645) | 1,525 |  | (5,774) |
Change in prepaid and accrued income taxes and utility revenue taxes |  |  |  |  |  |  |  |  |  |  | (3,251) | (4,114) |  | 1,935 |
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability |  |  |  |  |  |  |  |  |  |  | 0 | (1) |  | (191) |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (12,577) | (6,513) |  | (11,335) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 53,105 | 44,835 |  | 47,311 |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (49,895) | (58,416) |  | (43,396) |
Contributions in aid of construction |  |  |  |  |  |  |  |  |  |  | 7,695 | 7,590 |  | 8,184 |
Advances from affiliates |  |  |  |  |  |  |  |  |  |  | 1,000 | 17,050 |  | 28,100 |
Other |  |  |  |  |  |  |  |  |  |  | 492 | 21 |  | 192 |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | (40,708) | (33,755) |  | (6,920) |
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends |  |  |  |  |  |  |  |  |  |  | (11,627) | (14,388) |  | (27,738) |
Preferred stock dividends of Hawaiian Electric and subsidiaries |  |  |  |  |  |  |  |  |  |  | (534) | (534) |  | (534) |
Proceeds from issuance of long-term debt |  |  |  |  |  |  |  |  |  |  | 0 | 56,000 |  | 31,000 |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Repayment of long-term debt |  |  |  |  |  |  |  |  |  |  | (11,400) | (56,000) |  | (41,200) |
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less |  |  |  |  |  |  |  |  |  |  | 10,500 |  |  | 0 |
Other |  |  |  |  |  |  |  |  |  |  | (50) | (273) |  | 139 |
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | (13,111) | (15,195) |  | (38,333) |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  | (714) | (4,115) |  | 2,058 |
Cash and cash equivalents, January 1 |  |  |  |  | 1,326 |  |  |  |  | 5,441 | 1,326 | 5,441 |  | 3,383 |
Cash and cash equivalents, December 31 |  | 612 |  |  |  | 1,326 |  |  |  |  | 612 | 1,326 |  | 5,441 |
HELCO | As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (8,490) | (4,756) |  | (8,110) |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (12,085) | (6,262) |  | (11,143) |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (48,050) | (52,135) |  | (41,060) |
Other |  |  |  |  |  |  |  |  |  |  | 0 | (230) |  | 0 |
MECO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  | 22,656 | 21,658 |  | 13,008 |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 21,279 | 20,099 |  | 20,378 |
Other amortization |  |  |  |  |  |  |  |  |  |  | 2,065 | 2,544 |  | 2,238 |
Impairment of utility plant |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,500 |
Increase (decrease) in deferred income taxes |  |  |  |  |  |  |  |  |  |  | 13,963 | 12,529 |  | 12,453 |
Change in tax credits, net |  |  |  |  |  |  |  |  |  |  | 384 | 1,047 |  | 547 |
Allowance for equity funds used during construction |  |  |  |  |  |  |  |  |  |  | (214) | (423) |  | (687) |
Change in cash overdraft |  |  |  |  |  |  |  |  |  |  | (1,038) | 1,038 |  |  |
Decrease (increase) in accounts receivable |  |  |  |  |  |  |  |  |  |  | 3,483 | 1,178 |  | (2,164) |
Decrease (increase) in accrued unbilled revenues |  |  |  |  |  |  |  |  |  |  | 896 | 33 |  | (3,306) |
Decrease (increase) in fuel oil stock |  |  |  |  |  |  |  |  |  |  | 2,565 | 2,462 |  | 1,536 |
Increase in materials and supplies |  |  |  |  |  |  |  |  |  |  | (2,648) | (814) |  | (578) |
Increase in regulatory assets |  |  |  |  |  |  |  |  |  |  | 977 | (10,177) |  | (7,147) |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (2,838) | (5,321) |  | 5,767 |
Change in prepaid and accrued income taxes and utility revenue taxes |  |  |  |  |  |  |  |  |  |  | 3,381 | (2,546) |  | 3,433 |
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability |  |  |  |  |  |  |  |  |  |  | (399) | (84) |  | (119) |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (3,332) | (7,753) |  | (12,843) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 61,180 | 35,470 |  | 38,016 |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (48,814) | (57,066) |  | (40,066) |
Contributions in aid of construction |  |  |  |  |  |  |  |  |  |  | 4,090 | 2,884 |  | 5,513 |
Advances from affiliates |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | 18,500 |
Other |  |  |  |  |  |  |  |  |  |  | 68 | 209 |  | 165 |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | (44,656) | (53,973) |  | (15,888) |
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends |  |  |  |  |  |  |  |  |  |  | (14,349) | (14,017) |  | (19,197) |
Preferred stock dividends of Hawaiian Electric and subsidiaries |  |  |  |  |  |  |  |  |  |  | (381) | (381) |  | (381) |
Proceeds from issuance of long-term debt |  |  |  |  |  |  |  |  |  |  | 0 | 40,000 |  | 59,000 |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 0 | 12,461 |  | 0 |
Repayment of long-term debt |  |  |  |  |  |  |  |  |  |  | 0 | (20,000) |  | (67,720) |
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less |  |  |  |  |  |  |  |  |  |  | (1,239) | (2,561) |  | 9,400 |
Other |  |  |  |  |  |  |  |  |  |  | (75) | (195) |  | (377) |
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | (16,044) | 15,307 |  | (19,275) |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  | 480 | (3,196) |  | 2,853 |
Cash and cash equivalents, January 1 |  |  |  |  | 153 |  |  |  |  | 3,349 | 153 | 3,349 |  | 496 |
Cash and cash equivalents, December 31 |  | 633 |  |  |  | 153 |  |  |  |  | 633 | 153 |  | 3,349 |
MECO | As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other amortization |  |  |  |  |  |  |  |  |  |  | 3,746 |  |  |  |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (7,866) | (9,936) |  | 940 |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (4,945) | (7,544) |  | (12,678) |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (43,786) | (52,451) |  | (35,239) |
Other |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | 0 |
Other subsidiaries |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  | 0 | (3) |  | (3) |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | (1) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 0 | (3) |  | (4) |
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  | 0 | (3) |  | (4) |
Cash and cash equivalents, January 1 |  |  |  |  | 101 |  |  |  |  | 104 | 101 | 104 |  | 108 |
Cash and cash equivalents, December 31 |  | 101 |  |  |  | 101 |  |  |  |  | 101 | 101 |  | 104 |
Other subsidiaries | As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  | (1) |
Consolidating adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  |  |  |  |  |  |  |  |  |  | (40,964) | (41,410) |  | (28,836) |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in earnings |  |  |  |  |  |  |  |  |  |  | 40,964 | 41,410 |  | 28,836 |
Common stock dividends received from subsidiaries |  |  |  |  |  |  |  |  |  |  | (25,976) | (28,405) |  | (46,935) |
Decrease (increase) in accounts receivable |  |  |  |  |  |  |  |  |  |  | (103) | (248) |  | 4,717 |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | 103 | 248 |  | (4,717) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | (25,976) | (28,405) |  | (46,935) |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advances from affiliates |  |  |  |  |  |  |  |  |  |  | 8,261 | (19,611) |  | (37,200) |
Other |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
Investment in consolidated subsidiary |  |  |  |  |  |  |  |  |  |  | 0 | 12,461 |  |  |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | 8,261 | (7,150) |  | (37,200) |
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends |  |  |  |  |  |  |  |  |  |  | 25,976 | 28,405 |  | 46,935 |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 0 | (12,461) |  | 0 |
Net increase (decrease) in short-term borrowings from non-affiliates and affiliate with original maturities of three months or less |  |  |  |  |  |  |  |  |  |  | (8,261) | 19,611 |  | 37,200 |
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | 17,715 | 35,555 |  | 84,135 |
Consolidating adjustments | As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | 103 | 248 |  | (4,717) |
HECO Consolidated |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | 29,611 | $ 39,377 | $ 34,729 | 35,919 | 32,489 |  | $ 38,315 | $ 29,192 | 24,928 | 139,636 | 124,924 | [1] | 101,271 | [1]
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity in earnings |  |  |  |  |  |  |  |  |  |  | (100) | (100) |  | (100) |
Common stock dividends received from subsidiaries |  |  |  |  |  |  |  |  |  |  | 100 | 100 |  | 100 |
Depreciation of property, plant and equipment |  |  |  |  |  |  |  |  |  |  | 166,387 | 154,025 | [1] | 144,498 | [1]
Other amortization |  |  |  |  |  |  |  |  |  |  | 6,410 | 5,077 | [1] | 6,998 | [1]
Impairment of utility plant |  |  |  |  |  |  |  |  |  |  | 0 | 0 | [1] | 40,000 | [1]
Increase (decrease) in deferred income taxes |  |  |  |  |  |  |  |  |  |  | 82,947 | 64,507 | [1] | 86,878 | [1]
Change in tax credits, net |  |  |  |  |  |  |  |  |  |  | 6,062 | 7,017 | [1] | 6,075 | [1]
Allowance for equity funds used during construction |  |  |  |  |  |  |  |  |  |  | (6,771) | (5,561) | [1] | (7,007) | [1]
Change in cash overdraft |  |  |  |  |  |  |  |  |  |  | (1,038) | 1,038 | [1] | 0 | [1]
Decrease (increase) in accounts receivable |  |  |  |  |  |  |  |  |  |  | 26,743 | 49,445 | [1] | (47,004) | [1]
Decrease (increase) in accrued unbilled revenues |  |  |  |  |  |  |  |  |  |  | 6,750 | (9,826) | [1] | 3,528 | [1]
Decrease (increase) in fuel oil stock |  |  |  |  |  |  |  |  |  |  | 28,041 | 27,332 | [1] | 10,129 | [1]
Increase in materials and supplies |  |  |  |  |  |  |  |  |  |  | 1,794 | (7,959) | [1] | (7,897) | [1]
Increase in regulatory assets |  |  |  |  |  |  |  |  |  |  | (17,000) | (65,461) | [1] | (72,401) | [1]
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (65,527) | 14,731 | [1] | 6,322 | [1]
Change in prepaid and accrued income taxes and utility revenue taxes |  |  |  |  |  |  |  |  |  |  | (4,036) | (2,028) | [1] | 25,239 | [1]
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability |  |  |  |  |  |  |  |  |  |  | (961) | 2,240 | [1] | (744) | [1]
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (62,442) | (32,636) |  | (74,262) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 306,995 | 326,865 | [1] | 221,623 | [1]
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (336,679) | (378,044) | [1] | (355,326) | [1]
Contributions in aid of construction |  |  |  |  |  |  |  |  |  |  | 41,806 | 32,160 | [1] | 45,982 | [1]
Other |  |  |  |  |  |  |  |  |  |  | 1,164 | 907 | [1] | 843 | [1]
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | (293,709) | (344,977) | [1] | (308,501) | [1]
Cash flows from financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock dividends |  |  |  |  |  |  |  |  |  |  | (88,492) | (81,578) | [1] | (73,044) | [1]
Preferred stock dividends of Hawaiian Electric and subsidiaries |  |  |  |  |  |  |  |  |  |  | (1,995) | (1,995) | [1] | (1,995) | [1]
Proceeds from issuance of long-term debt |  |  |  |  |  |  |  |  |  |  | 0 | 236,000 | [1] | 457,000 | [1]
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  | 40,000 | 78,500 | [1] | 44,000 | [1]
Repayment of long-term debt |  |  |  |  |  |  |  |  |  |  | (11,400) | (166,000) | [1] | (368,500) | [1]
Other |  |  |  |  |  |  |  |  |  |  | (462) | (1,149) | [1] | (2,230) | [1]
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  |  |  | (62,349) | 63,778 | [1] | 55,231 | [1]
Net increase (decrease) in cash and cash equivalents |  |  |  |  |  |  |  |  |  |  | (49,063) | 45,666 | [1] | (31,647) | [1]
Cash and cash equivalents, January 1 | [1] |  |  |  | $ 62,825 |  |  |  |  | $ 17,159 | 62,825 | 17,159 |  | 48,806 |
Cash and cash equivalents, December 31 |  | $ 13,762 |  |  |  | $ 62,825 | [1] |  |  |  | 13,762 | 62,825 | [1] | 17,159 | [1]
HECO Consolidated | As previously filed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other amortization |  |  |  |  |  |  |  |  |  |  | 8,091 |  |  |  |
Increase (decrease) in accounts payable |  |  |  |  |  |  |  |  |  |  | (90,632) | (20,828) |  | (38,913) |
Changes in other assets and liabilities |  |  |  |  |  |  |  |  |  |  | (62,959) | (31,499) |  | (73,419) |
Net cash provided by operating activities |  |  |  |  |  |  |  |  |  |  | 283,054 | 292,443 |  | 177,231 |
Cash flows from investing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  |  |  | (311,574) | (342,485) |  | (310,091) |
Other |  |  |  |  |  |  |  |  |  |  | 0 | (230) |  | 0 |
Net cash used in investing activities |  |  |  |  |  |  |  |  |  |  | $ (269,768) | $ (310,555) |  | $ (264,109) |
[1] | As restated - See Note 1, “Summary of significant accounting policies - Revision and restatements of previously issued financial statements.”

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- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from developers, builders, governmental agencies and municipalities that provide the entity with cash to extend its construction services to their properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Dividends received on equity and other investments during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment within three months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3098-108585 + Details
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- Definition The net cash inflow or outflow resulting from the entity's share transaction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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