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Coal Methodology and Specifications

Clearly defined and transparent methodologies are the backbone of Platts' price assessment processes. Platts' methodologies provide detailed descriptions and explanations of how we assess the market value of commodities so that customers and other interested parties understand those processes. In this section, we post documentation by commodity and region for all published price assessments and indices.

Coal methodology

(as of September 2016)

The following Coal specifications guide contains the primary specifications and methodologies for Platts Coal assessments throughout the world. The various components of this guide are designed to give Platts subscribers as much information as possible about a wide range of methodology and specification issues.


Metallurgical Coal methodology

(as of June 2016)

The following Metallurgical Coal specifications guide contains the primary specifications and methodologies for Platts Metallurgical Coal assessments throughout the world.


European emissions methodology

(as of April 2015)

Platts' European emissions methodology for its published price assessments reflects its experience in the more established oil, gas and power markets.


North American emissions methodology

(as of April 2015)

Platts' US emissions methodology for its published price assessments reflects its experience in the more established oil, gas and power markets.


Spark Spreads Methodology

(as of March 2012)

Platts Spark Spreads show the daily margin between the cost of input spot fuels and the price fetched by output electricity in 10 major US electricity spot market hubs.




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