       k = @get 'key'
       @gquery_x = new ChartSerie
         gquery_key: "merit_order_#{k}_capacity_in_merit_order_table"
-      D3.merit_order.series.push @gquery_x
       @gquery_y = new ChartSerie
         gquery_key: "merit_order_#{k}_operating_costs_in_merit_order_table"
-      D3.merit_order.series.push @gquery_y
+      @gquery_availability = new ChartSerie
+        gquery_key: "merit_order_#{k}_availability_in_merit_order_table"
+      D3.merit_order.series.push @gquery_x, @gquery_y, @gquery_availability
 
     value_x: => @gquery_x.safe_future_value()
 

      if @get('key') == 'must_run' then 0 else @original_y_value()

    original_y_value: => @gquery_y.safe_future_value()

    label: => @get('label') || @get('key')


        .attr("data-tooltip-text", (d) ->
          html = "Installed capacity: #{Metric.autoscale_value(d.value_x(), 'MW', 2)}
                  <br/>
                  Operating costs: #{Metric.autoscale_value d.original_y_value(), 'euro', 2}
                  <br/>
                  Availability: #{d.availability_value()}
                  "
          if d.get('key') == 'must_run'
            html += '*<br/>* Must run plants do not participate in merit order'
          html
