Long-term debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Long Term Liabilities

Long-term debt consists of the following:

	2015		2014
Generation Group
$350,000 revolving credit facility, interest rate is equal to bankers’ acceptance or LIBOR plus a variable rate as outlined in the credit facility agreement. The current rate is BA or LIBOR plus 1.45%, maturing July 31, 2019.	$	27,300	$	23,400
Algonquin Power Co.: Senior Unsecured Notes: $200,000 bearing an interest rate of 4.65%, maturing February 15, 2022; $150,000 bearing an interest rate of 4.82%, maturing February 15, 2021;  $135,000 bearing an interest rate of 5.50%, maturing July 25, 2018. The notes have interest only payments, payable semi-annually in arrears.	481,991		481,438
Shady Oaks Wind Facility: Senior Debt: U.S.$76,000 Chinese Development Bank Corporation loan facility, bearing an interest rate of 6 month LIBOR plus 280 basis points. This facility was repaid in May 2015.	—		88,168
Long Sault Hydro Facility: Senior Debt: $34,760 bonds bearing an interest rate of 10.21%, maturing December 31, 2027. The bonds have interest and principal payments, payable monthly in arrears.	34,760		35,997
Chuteford Hydro Facility: Senior Debt: $2,587 bonds bearing an interest rate of 11.55%, maturing April 1, 2020. The bond has principal and interest payments, payable monthly in arrears.	2,587		3,022
Distribution Group
U.S.$200,000 revolving credit facility, interest rate is equal to LIBOR plus a variable rate as outlined in the credit facility agreement. The current rate is LIBOR plus 1.25%, maturing September 30, 2018.	—		23,898
Liberty Utilities Co.: Senior Unsecured Notes: U.S.$ 50,000, bearing an interest rate of 3.51%, maturing July 31, 2017; U.S.$ 25,000, bearing an interest rate of 3.23%, maturing July 31, 2020; U.S.$115,000, bearing an interest rate of 4.49%, maturing August 1, 2022; U.S.$ 15,000, bearing an interest rate of 4.14%, maturing March 13, 2023; U.S.$ 75,000, bearing an interest rate of 3.86%, maturing July 31, 2023; U.S.$ 60,000, bearing an interest rate of 4.89%, maturing July 30, 2027; U.S.$ 25,000, bearing an interest rate of 4.26%, maturing July 31, 2028; U.S.$ 90,000, bearing an interest rate of 4.13%, maturing April 30, 2045; U.S.$ 70,000, bearing an interest rate of 4.13%, maturing July 15, 2045. The notes have interest only payments, payable semi-annually.	721,581		419,876

	2015			2014
Calpeco Electric System: Senior Unsecured Notes: U.S.$45,000 bearing an interest rate of 5.19%, maturing December 29, 2020; U.S.$25,000 bearing an interest rate of 5.59%, maturing December 29, 2025. The notes have interest only payments, payable semi-annually in arrears.	96,015			80,368
Liberty Water Co: Senior Unsecured Notes: U.S.$50,000 bearing an interest rate of 5.60% $5,000 matures annually beginning June 20, 2016; $25,000 maturing December 22, 2020.  The note bears interest payments semi-annually in arrears.	68,488			57,301
New England Gas System: First Mortgage Bonds: U.S.$6,500, bearing an interest rate of 9.44%, maturing February 15, 2020; U.S.$7,000, bearing an interest rate of 7.99%, maturing September 15, 2026; U.S.$6,000, bearing an interest rate of 7.24%, maturing December 15, 2027. The notes have interest only payments, payable semi-annually in arrears.	32,130			27,288
Granite State Electric System: Senior Unsecured Notes: U.S.$5,000, bearing an interest rate of 7.37%, maturing November 1, 2023; U.S.$5,000, bearing an interest rate of 7.94%, maturing July 1, 2025; U.S.$5,000, bearing an interest rate of 7.30%, maturing June 15, 2028. The notes have interest only payments, payable semi-annually.	20,730			17,373
LPSCo Water System: 1999 and 2001 IDA bonds bearing interest rates of 5.85% and 6.71%. This facility was repaid in October 2015.	—			12,441
Bella Vista Water System: U.S.$877 Water Infrastructure Financing Authority of Arizona loans bearing interest rates of 6.26% and 6.10%, and maturing March 1, 2020 and December 1, 2017, respectively. The loans have principal and interest payments, payable monthly and quarterly in arrears.	1,213			1,149
	$	1,486,795		$	1,271,719
Less: current portion	(8,945		)	(9,130		)
	$	1,477,850		$	1,262,589

Principal Payments

Principal payments due in the next five years and thereafter are as follows: 

	2016		2017		2018		2019		2020		Thereafter		Total
Generation Group	$	1,816	$	2,045	$	137,272	$	30,152	$	2,641	$	375,415	$	549,341
Distribution Group	7,129		76,358		7,135		7,149		147,640		701,371		946,782
Total	$	8,945	$	78,403	$	144,407	$	37,301	$	150,281	$	1,076,786	$	1,496,123