Forward delivery contracts and financial instruments (Tables)

3 Months Ended

Mar. 31, 2015

Forward Delivery Contracts and Financial Instruments [Abstract]

Schedule of Forward Physical Delivery Agreements

Forward Physical Delivery Agreements

Primary Aluminum Sales Contracts



Contract	Customer	Volume	Term	Pricing
Glencore Grundartangi Metal Agreement (1)	Glencore	All primary aluminum produced at Grundartangi, net of tolling and other sales commitments	January 1, 2014 through December 31, 2017	Variable, based on LME and European Duty Paid premium
Glencore U.S. Aluminum Sales Agreement	Glencore	All primary aluminum produced in North America	January 1, 2015 through December 31, 2016	Variable, based on LME and Midwest premium and product premiums, as applicable


(1)	The Glencore Grundartangi Metal Agreement is for all metal produced at Grundartangi from 2014 through 2017 less commitments under existing tolling and other sales contracts. Grundartangi currently estimates that it will sell Glencore approximately 205,000 tonnes of aluminum under this agreement in 2015.

Tolling Contracts



Contract	Customer	Volume	Term	Pricing
Glencore Toll Agreement	Glencore	90,000 tonnes per year ("tpy")	Through July 2016	Variable, based on LME and European Duty Paid premium

Apart from the Glencore Grundartangi Metal Agreement, the Glencore U.S. Aluminum Sales Agreement and the Southwire Metal Agreement (which expired at the end of 2014), we had the following forward delivery contractual commitments:

Other forward delivery contracts



	March 31, 2015	December 31, 2014
	(in tonnes)
Other forward delivery contracts – total	221	6,108
Other forward delivery contracts – Glencore	—	4,058