Distributions from equity accounted investments  were  s $1,981, or 99%, higher in 2013 due to the receipt of $878 from the ReD businesses and $1,103 of higher dividends provided by Värmevärden. Interest paid  increased by $132, reflecting $938 of higher interest for the power segment, which was offset by lower interest paid at corporate  attributable to refinancing activity in 2012. Interest paid by Bristol Water and the Amherst wind facility ("Amherst") is excluded from Capstone’s definition of AFFO and is the primary difference  between interest expense included in consolidated net income (loss) and interest paid in AFFO. The remaining difference between interest expense  and interest paid was attributable to the amortization of financing costs and timing differences between accrual and payment basis. Scheduled debt repayments  increased by s $2,305, or 18.3%, which included $659 of payments for the ReD facilities. The remainder of the variance  was primarily due to higher payments in the power segment mostly related to $1,000 of additional payments under the CPC-Cardinal credit facility. Maintenance capital expenditures  decreased by  s $1,011, or 18.7%, primarily due to fewer scheduled outages at Cardinal. A hot gas path inspection, which occurs every three years, was completed in 2012. Capstone’s results are segmented into power in Canada and utilities in Europe. All remaining results relate to corporate activities. The power  segment includes gas cogeneration, hydro, wind, biomass and solar power, as well as power development activities. The utilities segments include  Capstone's 50% interest in Bristol Water, a regulated water utility in the United Kingdom, and a 33.3% interest in Värmevärden, a district heating  business in Sweden. The financial results of Capstone's businesses with non-controlling interest, such as Bristol Water, are consolidated with Capstone’s other businesses  before deducting the portion of Adjusted EBITDA attributable to non-controlling interests. Capstone’s non-controlling interest in Värmevärden and  other equity accounted investments provide interest income, dividends and management service fees, when applicable. Non-GAAP performance measures Non-GAAP performance measure results for each business segment were as follows: The following table shows the significant changes in Adjusted EBITDA and AFFO from 2012: Change Explanations 4,173 ReD operating wind facilities contributed additional Adjusted EBITDA since acquisition on October 1, 2013. 3,862 Impact of Cardinal scheduled maintenance outages for hot gas path inspection in the second quarter of 2012 and the combustion inspection in the third quarter of 2013. 2,748 Impact of TransCanada Pipeline ("TCPL") rate decrease on Cardinal gas transportation charges. (2,478) Higher expenses at Cardinal primarily due to fuel supplier and other fuel transportation rate increases. 2,044 Higher revenue at Cardinal due to a PPA rate increase. 1,733 Impact of variations in wind, hydrology and sunlight on revenue. (829) Higher costs due to the power development subsidiary launched in December 2012. (301) Various other changes. 10,952 Change in Adjusted EBITDA. (1,399) Higher debt service payments primarily for the hydro power facilities since bond issue in June 2012. (592) Debt service on the ReD businesses and adjustment for Amherst to reflect distributions since October 1, 2013. 666 Higher maintenance capital expenditures in 2012 due to Cardinal's hot gas path inspection. (47) Various other changes. 9,580 Change in AFFO. Adjusted EBITDA For the year ended Dec 31, 2013 Dec 31, 2012 Change Power 89,130 78,178 10,952 Utilities – water 47,877 48,202 (325) Utilities – district heating 5,965 5,357 608 Corporate (14,551) (11,394) (3,157) Total 128,421 120,343 8,078 AFFO For the year ended Dec 31, 2013 Dec 31, 2012 Change Power 53,439 43,859 9,580 Utilities – water 6,547 8,091 (1,544) Utilities – district heating 5,965 5,357 608 Corporate (26,017) (21,744) (4,273) Total 39,934 35,563 4,371 Results by Segment Power 2013 ANNUAL REPORT  25