John Shimkus actually said...
if you're underestimating by your 2014 June analysis and your 2015, and you drop off 70 coal-fired power plants, base-load going to my friend, Jerry McNerney's question, your final analysis you're going to under-report the impact because you have sliced major gigawatt production of coal in this country with no explanation that we can find in any of these documents.
Context
Shimkus criticizes EPA for underestimating coal power capacity and its impact on generation.
10/06/2015