The other 6 results predated the thread. It appears the Mr Bray never did publish an article on the residential use of coal in the Globe.
Source 8 results for "coal" from Boston Globe
Author is "Hiawatha Bray"
Utility defends Cape Wind contract
...generated by Cape Wind will be significantly more costly than current rates for electricity produced by burning natural gas or coal. National Grid plans to pay 20.7 cents per kilowatt-hour for the power when Cape Wind starts producing in 2013, compared... (Page B5, 502 words)
By: Hiawatha Bray|Date: Jun 5, 2010
Reinventing the flywheel (Archive fee)
...extra power now and then. Usually, they get it by burning more coal, oil, or gas. Beacon Power Corp. says it has a better idea...regional electric grids rely on a handful of generators (powered by coal, gas, or oil) to vary their output and regulate grid frequency...
By: Hiawatha Bray|Date: Sep 15, 2008
Boston Globe Archive (Nominal fee required)