         transition().duration(500).
         selectAll("text.link_label").
         attr("y", (link) => @y link.right_y()).
-        text((d) => @format_value d.value())
+        text((d) => Metric.autoscale_value d.value(), 'PJ', 2)
 
 class D3.sankey.NodeList extends Backbone.Collection
   model: D3.sankey.Node

        attr("transform", "translate(#{@margin.left}, #{@margin.top})")
      @links = @draw_links()
      @nodes = @draw_nodes()

    draw_links: =>
      # links are treated as a group made of a link path and label text element

      attr("y", (d) => @y d.right_y()).
      attr("dx", -55).
      attr("dy", 2).
      style("opacity", 0)
      return links

    draw_nodes: =>
