diff --git a/panoramix/static/lib/d3-sankey.js b/panoramix/static/lib/d3-sankey.js
new file mode 100644
index 0000000000000..abe137b211bf6
--- /dev/null
+++ b/panoramix/static/lib/d3-sankey.js
@@ -0,0 +1,294 @@
+d3.sankey = function() {
+  var sankey = {},
+      nodeWidth = 24,
+      nodePadding = 8,
+      size = [1, 1],
+      nodes = [],
+      links = [];
+
+  sankey.nodeWidth = function(_) {
+    if (!arguments.length) return nodeWidth;
+    nodeWidth = +_;
+    return sankey;
+  };
+
+  sankey.nodePadding = function(_) {
+    if (!arguments.length) return nodePadding;
+    nodePadding = +_;
+    return sankey;
+  };
+
+  sankey.nodes = function(_) {
+    if (!arguments.length) return nodes;
+    nodes = _;
+    return sankey;
+  };
+
+  sankey.links = function(_) {
+    if (!arguments.length) return links;
+    links = _;
+    return sankey;
+  };
+
+  sankey.size = function(_) {
+    if (!arguments.length) return size;
+    size = _;
+    return sankey;
+  };
+
+  sankey.layout = function(iterations) {
+    computeNodeLinks();
+    computeNodeValues();
+    computeNodeBreadths();
+    computeNodeDepths(iterations);
+    computeLinkDepths();
+    return sankey;
+  };
+
+  sankey.relayout = function() {
+    computeLinkDepths();
+    return sankey;
+  };
+
+  sankey.link = function() {
+    var curvature = .5;
+
+    function link(d) {
+      var x0 = d.source.x + d.source.dx,
+          x1 = d.target.x,
+          xi = d3.interpolateNumber(x0, x1),
+          x2 = xi(curvature),
+          x3 = xi(1 - curvature),
+          y0 = d.source.y + d.sy + d.dy / 2,
+          y1 = d.target.y + d.ty + d.dy / 2;
+      return "M" + x0 + "," + y0
+           + "C" + x2 + "," + y0
+           + " " + x3 + "," + y1
+           + " " + x1 + "," + y1;
+    }
+
+    link.curvature = function(_) {
+      if (!arguments.length) return curvature;
+      curvature = +_;
+      return link;
+    };
+
+    return link;
+  };
+
+  // Populate the sourceLinks and targetLinks for each node.
+  // Also, if the source and target are not objects, assume they are indices.
+  function computeNodeLinks() {
+    nodes.forEach(function(node) {
+      node.sourceLinks = [];
+      node.targetLinks = [];
+    });
+    links.forEach(function(link) {
+      var source = link.source,
+          target = link.target;
+      if (typeof source === "number") source = link.source = nodes[link.source];
+      if (typeof target === "number") target = link.target = nodes[link.target];
+      source.sourceLinks.push(link);
+      target.targetLinks.push(link);
+    });
+  }
+
+  // Compute the value (size) of each node by summing the associated links.
+  function computeNodeValues() {
+    nodes.forEach(function(node) {
+      node.value = Math.max(
+        d3.sum(node.sourceLinks, value),
+        d3.sum(node.targetLinks, value)
+      );
+    });
+  }
+
+  // Iteratively assign the breadth (x-position) for each node.
+  // Nodes are assigned the maximum breadth of incoming neighbors plus one;
+  // nodes with no incoming links are assigned breadth zero, while
+  // nodes with no outgoing links are assigned the maximum breadth.
+  function computeNodeBreadths() {
+    var remainingNodes = nodes,
+        nextNodes,
+        x = 0;
+
+    while (remainingNodes.length) {
+      nextNodes = [];
+      remainingNodes.forEach(function(node) {
+        node.x = x;
+        node.dx = nodeWidth;
+        node.sourceLinks.forEach(function(link) {
+          if (nextNodes.indexOf(link.target) < 0) {
+            nextNodes.push(link.target);
+          }
+        });
+      });
+      remainingNodes = nextNodes;
+      ++x;
+    }
+
+    //
+    moveSinksRight(x);
+    scaleNodeBreadths((size[0] - nodeWidth) / (x - 1));
+  }
+
+  function moveSourcesRight() {
+    nodes.forEach(function(node) {
+      if (!node.targetLinks.length) {
+        node.x = d3.min(node.sourceLinks, function(d) { return d.target.x; }) - 1;
+      }
+    });
+  }
+
+  function moveSinksRight(x) {
+    nodes.forEach(function(node) {
+      if (!node.sourceLinks.length) {
+        node.x = x - 1;
+      }
+    });
+  }
+
+  function scaleNodeBreadths(kx) {
+    nodes.forEach(function(node) {
+      node.x *= kx;
+    });
+  }
+
+  function computeNodeDepths(iterations) {
+    var nodesByBreadth = d3.nest()
+        .key(function(d) { return d.x; })
+        .sortKeys(d3.ascending)
+        .entries(nodes)
+        .map(function(d) { return d.values; });
+
+    //
+    initializeNodeDepth();
+    resolveCollisions();
+    for (var alpha = 1; iterations > 0; --iterations) {
+      relaxRightToLeft(alpha *= .99);
+      resolveCollisions();
+      relaxLeftToRight(alpha);
+      resolveCollisions();
+    }
+
+    function initializeNodeDepth() {
+      var ky = d3.min(nodesByBreadth, function(nodes) {
+        return (size[1] - (nodes.length - 1) * nodePadding) / d3.sum(nodes, value);
+      });
+
+      nodesByBreadth.forEach(function(nodes) {
+        nodes.forEach(function(node, i) {
+          node.y = i;
+          node.dy = node.value * ky;
+        });
+      });
+
+      links.forEach(function(link) {
+        link.dy = link.value * ky;
+      });
+    }
+
+    function relaxLeftToRight(alpha) {
+      nodesByBreadth.forEach(function(nodes, breadth) {
+        nodes.forEach(function(node) {
+          if (node.targetLinks.length) {
+            var y = d3.sum(node.targetLinks, weightedSource) / d3.sum(node.targetLinks, value);
+            node.y += (y - center(node)) * alpha;
+          }
+        });
+      });
+
+      function weightedSource(link) {
+        return center(link.source) * link.value;
+      }
+    }
+
+    function relaxRightToLeft(alpha) {
+      nodesByBreadth.slice().reverse().forEach(function(nodes) {
+        nodes.forEach(function(node) {
+          if (node.sourceLinks.length) {
+            var y = d3.sum(node.sourceLinks, weightedTarget) / d3.sum(node.sourceLinks, value);
+            node.y += (y - center(node)) * alpha;
+          }
+        });
+      });
+
+      function weightedTarget(link) {
+        return center(link.target) * link.value;
+      }
+    }
+
+    function resolveCollisions() {
+      nodesByBreadth.forEach(function(nodes) {
+        var node,
+            dy,
+            y0 = 0,
+            n = nodes.length,
+            i;
+
+        // Push any overlapping nodes down.
+        nodes.sort(ascendingDepth);
+        for (i = 0; i < n; ++i) {
+          node = nodes[i];
+          dy = y0 - node.y;
+          if (dy > 0) node.y += dy;
+          y0 = node.y + node.dy + nodePadding;
+        }
+
+        // If the bottommost node goes outside the bounds, push it back up.
+        dy = y0 - nodePadding - size[1];
+        if (dy > 0) {
+          y0 = node.y -= dy;
+
+          // Push any overlapping nodes back up.
+          for (i = n - 2; i >= 0; --i) {
+            node = nodes[i];
+            dy = node.y + node.dy + nodePadding - y0;
+            if (dy > 0) node.y -= dy;
+            y0 = node.y;
+          }
+        }
+      });
+    }
+
+    function ascendingDepth(a, b) {
+      return a.y - b.y;
+    }
+  }
+
+  function computeLinkDepths() {
+    nodes.forEach(function(node) {
+      node.sourceLinks.sort(ascendingTargetDepth);
+      node.targetLinks.sort(ascendingSourceDepth);
+    });
+    nodes.forEach(function(node) {
+      var sy = 0, ty = 0;
+      node.sourceLinks.forEach(function(link) {
+        link.sy = sy;
+        sy += link.dy;
+      });
+      node.targetLinks.forEach(function(link) {
+        link.ty = ty;
+        ty += link.dy;
+      });
+    });
+
+    function ascendingSourceDepth(a, b) {
+      return a.source.y - b.source.y;
+    }
+
+    function ascendingTargetDepth(a, b) {
+      return a.target.y - b.target.y;
+    }
+  }
+
+  function center(node) {
+    return node.y + node.dy / 2;
+  }
+
+  function value(link) {
+    return link.value;
+  }
+
+  return sankey;
+};
diff --git a/panoramix/static/widgets/viz_sankey.css b/panoramix/static/widgets/viz_sankey.css
new file mode 100644
index 0000000000000..f18302e6aba44
--- /dev/null
+++ b/panoramix/static/widgets/viz_sankey.css
@@ -0,0 +1,29 @@
+#chart {
+  height: 100%;
+}
+div.token {
+  height: 100%;
+}
+
+.node rect {
+  cursor: move;
+  fill-opacity: .9;
+  shape-rendering: crispEdges;
+}
+
+.node text {
+  pointer-events: none;
+  text-shadow: 0 1px 0 #fff;
+}
+
+.link {
+  fill: none;
+  stroke: #000;
+  stroke-opacity: .2;
+}
+
+.link:hover {
+  stroke-opacity: .5;
+}
+
+
diff --git a/panoramix/static/widgets/viz_sankey.js b/panoramix/static/widgets/viz_sankey.js
new file mode 100644
index 0000000000000..43445f3f3f798
--- /dev/null
+++ b/panoramix/static/widgets/viz_sankey.js
@@ -0,0 +1,109 @@
+function viz_sankey(data_attribute) {
+    var token = d3.select('#' + data_attribute.token);
+    var div = token.select("#chart");
+    var xy = div.node().getBoundingClientRect();
+    var width = xy.width;
+    var height = xy.height - 25;
+
+    var render = function(done) {
+        var margin = {top: 1, right: 1, bottom: 6, left: 1};
+        width = width - margin.left - margin.right;
+        height = height - margin.top - margin.bottom;
+
+        var formatNumber = d3.format(",.0f"),
+            format = function(d) { return formatNumber(d) + " TWh"; },
+            color = d3.scale.category20();
+
+        var svg = token.select("#chart").append("svg")
+            .attr("width", width + margin.left + margin.right)
+            .attr("height", height + margin.top + margin.bottom)
+          .append("g")
+            .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
+        var sankey = d3.sankey()
+            .nodeWidth(15)
+            .nodePadding(10)
+            .size([width, height]);
+
+        var path = sankey.link();
+
+        d3.json(data_attribute.json_endpoint, function(error, json) {
+          if (error != null){
+            var err = '<div class="alert alert-danger">' + error.responseText  + '</div>';
+            token.html(err);
+            done();
+            return '';
+          }
+          links = json.data;
+          var nodes = {};
+          // Compute the distinct nodes from the links.
+          links.forEach(function(link) {
+              link.source = nodes[link.source] ||
+                  (nodes[link.source] = {name: link.source});
+              link.target = nodes[link.target] ||
+                  (nodes[link.target] = {name: link.target});
+              link.value = +link.value;
+              var target_name = link.target.name;
+              var source_name = link.source.name;
+          });
+          nodes = d3.values(nodes);
+
+          sankey
+              .nodes(nodes)
+              .links(links)
+              .layout(32);
+
+          var link = svg.append("g").selectAll(".link")
+              .data(links)
+            .enter().append("path")
+              .attr("class", "link")
+              .attr("d", path)
+              .style("stroke-width", function(d) { return Math.max(1, d.dy); })
+              .sort(function(a, b) { return b.dy - a.dy; });
+
+          link.append("title")
+              .text(function(d) { return d.source.name + " → " + d.target.name + "\n" + format(d.value); });
+
+          var node = svg.append("g").selectAll(".node")
+              .data(nodes)
+            .enter().append("g")
+              .attr("class", "node")
+              .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })
+            .call(d3.behavior.drag()
+              .origin(function(d) { return d; })
+              .on("dragstart", function() { this.parentNode.appendChild(this); })
+              .on("drag", dragmove));
+
+          node.append("rect")
+              .attr("height", function(d) { return d.dy; })
+              .attr("width", sankey.nodeWidth())
+              .style("fill", function(d) { return d.color = color(d.name.replace(/ .*/, "")); })
+              .style("stroke", function(d) { return d3.rgb(d.color).darker(2); })
+            .append("title")
+              .text(function(d) { return d.name + "\n" + format(d.value); });
+
+          node.append("text")
+              .attr("x", -6)
+              .attr("y", function(d) { return d.dy / 2; })
+              .attr("dy", ".35em")
+              .attr("text-anchor", "end")
+              .attr("transform", null)
+              .text(function(d) { return d.name; })
+            .filter(function(d) { return d.x < width / 2; })
+              .attr("x", 6 + sankey.nodeWidth())
+              .attr("text-anchor", "start");
+
+          function dragmove(d) {
+            d3.select(this).attr("transform", "translate(" + d.x + "," + (d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))) + ")");
+            sankey.relayout();
+            link.attr("d", path);
+          }
+            token.select("img.loading").remove();
+          done();
+        });
+    }
+    return {
+        render: render,
+        resize: render,
+    };
+}
+px.registerWidget('sankey', viz_sankey);
diff --git a/panoramix/templates/panoramix/viz_sankey.html b/panoramix/templates/panoramix/viz_sankey.html
new file mode 100644
index 0000000000000..0c957931646f7
--- /dev/null
+++ b/panoramix/templates/panoramix/viz_sankey.html
@@ -0,0 +1,10 @@
+{% macro viz_html(viz) %}
+  <div id="chart"></div>
+{% endmacro %}
+
+{% macro viz_js(viz) %}
+{% endmacro %}
+
+{% macro viz_css(viz) %}
+{% endmacro %}
+
diff --git a/panoramix/viz.py b/panoramix/viz.py
index e153d83a1b3c3..27a3bf111fcb9 100644
--- a/panoramix/viz.py
+++ b/panoramix/viz.py
@@ -878,6 +878,43 @@ def query_obj(self):
             self.form_data['metric'], self.form_data['secondary_metric']]
         return qry
 
+
+class SankeyViz(BaseViz):
+    viz_type = "sankey"
+    verbose_name = "Sankey"
+    is_timeseries = False
+    template = 'panoramix/viz_sankey.html'
+    js_files = [
+        'lib/d3.min.js',
+        'lib/d3-sankey.js',
+        'widgets/viz_sankey.js']
+    css_files = ['widgets/viz_sankey.css']
+    fieldsets = (
+    {
+        'label': None,
+        'fields': (
+            'granularity',
+            ('since', 'until'),
+            'groupby',
+            'metric',
+            'row_limit',
+        )
+    },)
+    form_overrides = {}
+
+    def query_obj(self):
+        qry = super(SankeyViz, self).query_obj()
+        qry['metrics'] = [
+            self.form_data['metric']]
+        return qry
+
+    def get_json_data(self):
+        df = self.get_df()
+        df.columns = ['source', 'target', 'value']
+        d = df.to_dict(orient='records')
+        return dumps(d)
+
+
 class DirectedForceViz(BaseViz):
     viz_type = "directed_force"
     verbose_name = "Directed Force Layout"
@@ -939,6 +976,7 @@ def get_json_data(self):
     BigNumberViz,
     SunburstViz,
     DirectedForceViz,
+    SankeyViz,
 ]
 # This dict is used to
 viz_types = OrderedDict([(v.viz_type, v) for v in viz_types_list])