POWER‘s monthly infographic sheds light on power sector trends globally, and in 2015, it highlighted changes in plant retirements, sector revenues, rule costs, workforce, emissions technologies, and electricity costs, among other subjects.

January 2015: Baseload Retirements

How coal plant retirements compare with retirements of other baseload generation sources.

February 2015: Power Revenues

How revenues for fossil power generators compare with revenues for nuclear and renewable generators.

April 2015: The Ozone Rule Costs

How industry and the Environmental Protection Agency (EPA) compliance cost estimates for the proposed ozone rule compare.

May 2015: World Industrial Power Prices

How much industry pays for power varies tremendously by country, owing to variations in generation costs, network costs and taxes, fees, and surcharges.

June 2015: The Job Transition 

How shifts in fuel use have affected domestic employment in the coal, natural gas, wind, and solar sectors.

July 2015: Emissions Controls

How pollution controls to comply with various EPA rules have been installed across the 280-GW U.S. coal steam power plant fleet.

August 2015: Targeting Renewables

According to the International Renewable Energy Agency, at least 164 countries have adopted at least one type of renewable energy target as of mid-2015.

September 2015: Powering China and India

How China and India, Asian superpowers that are preparing their economies for tremendous population growth, compare.

October 2015: Clean Power Plan Targets for Better and Worse

How state targets changed in the final Clean Power Plan compared to the proposed rule.

November 2015: Levelized Cost of Electricity

How levelized cost of electricity of different technologies varies among countries.

December 2015: Nuclear Spins

How many new nuclear reactors have been added or shut down permanently by country over the last five years.

Sonal Patel, associate editor (@POWERmagazine, @sonalcpatel)