1 The Department of Energy finds that â Among a large sample of wind projects installed in 2012, the capacity-weighted average installed cost stood at nearly $1,940/kW, down almost $200/kW from the reported average cost in 2011 and down almost $300/kW from the reported average cost in both 2009 and 2010 .â [3].he Department of Energy, below, depicts the cost reduction in wind energy alongside U.S. wind energy deployment, showing a decrease in cost of more than 90% since the early 1980's.
As noted by MDGuidelines, the majority of fractures to the sternum heal in six to 12 weeks without the need for medical intervention. Furthermore, MDGuidelines states that in order to avoid setbacks or further injuries, adhering to the recommended treatment method presented by a physician is essential.
It may take three to four weeks for bruised ribs to heal. However, severe injuries may take a lot longer to heal, extending up to about ten weeks. Consult a doctor if you experience the symptoms mentioned to avoid complication and delayed healing.auses of Bruised Ribs. A bruise or a contusion can occur on the ribs, just like other parts of the body. 1  An injury to the chest or upper abdominal area can result in a bruised rib. 2  A strong impact can cause the ribs to push against the muscles surrounding them, causing a bruise to develop.