Assertion: renewable energy | /r/CapableOf | reach major milestone
Facets:
value: in the first quarter of 2011
type: TEMPORAL
Source sentences:
text: Renewable energy reached a major milestone in the first quarter of 2011, when it contributed 11.7% of total US energy production (2.245 quadrillion BTU or 2.369 EJ of energy), surpassing nuclear energy production (2.125 quadrillion BTU or 2.242 EJ).