The summary and TFA are carefully choosing their words to make it look like a land slide sized change in energy production, when all they are really talking about is subtle rates of change. But even these twists can't disguise the fact that 23% new energy is still done with coal.
In fact, the solar and wind aren't even meeting replacement needs for coal and gas plants taken out of production due to failure to meet environmental standards, and being too costly to upgrade. Old Coal plants are more often replaced with New Coal plants than they are with wind or solar.
Missing from those figures (because they don't represent New Production), is the number of coal and gas plants upgraded to meet environmental standards.
Its not all bad news. The best wind and solar sites are being heavily developed, cherry picking the most promising sites. And the arid south west is sprouting lots f solar farms. But we need to ramp up both wind and solar many fold before we can even think of retiring coal.