diff --git a/src/instance/parse.jl b/src/instance/parse.jl
index 8e250c7..65c5a18 100644
--- a/src/instance/parse.jl
+++ b/src/instance/parse.jl
@@ -13,7 +13,7 @@ function parse(json)::Instance
 
     timeseries(x::Union{Nothing,Number}) = repeat([x], time_horizon)
     timeseries(x::Array) = x
-    timeseries(d::OrderedDict) = OrderedDict(k => timeseries(v) for (k,v) in d)
+    timeseries(d::OrderedDict) = OrderedDict(k => timeseries(v) for (k, v) in d)
 
     # Read products
     products = Product[]
@@ -42,8 +42,8 @@ function parse(json)::Instance
         outputs = [products_by_name[p] for p in cdict["outputs"]]
         operating_cost = timeseries(cdict["operating cost (\$)"])
         prod_dict(key, null_val) = OrderedDict(
-            p => [v === nothing ? null_val : v for v in timeseries(cdict[key][p.name])] for
-            p in outputs
+            p => [v === nothing ? null_val : v for v in timeseries(cdict[key][p.name])]
+            for p in outputs
         )
         fixed_output = prod_dict("fixed output (tonne)", 0.0)
         var_output = prod_dict("variable output (tonne/tonne)", 0.0)
@@ -68,6 +68,54 @@ function parse(json)::Instance
         centers_by_name[cname] = center
     end
 
+    plants = Plant[]
+    plants_by_name = OrderedDict{String,Plant}()
+    for (pname, pdict) in json["plants"]
+        prod_dict(key; scale = 1.0, null_val = Inf) = OrderedDict{Product,Vector{Float64}}(
+            products_by_name[p] => [
+                v === nothing ? null_val : v * scale for v in timeseries(pdict[key][p])
+            ] for p in keys(pdict[key])
+        )
+
+        latitude = pdict["latitude (deg)"]
+        longitude = pdict["longitude (deg)"]
+        input_mix = prod_dict("input mix (%)", scale = 0.01)
+        output = prod_dict("output (tonne)")
+        emissions = timeseries(pdict["processing emissions (tonne)"])
+        storage_cost = prod_dict("storage cost (\$/tonne)")
+        storage_limit = prod_dict("storage limit (tonne)")
+        disposal_cost = prod_dict("disposal cost (\$/tonne)")
+        disposal_limit = prod_dict("disposal limit (tonne)")
+        initial_capacity = pdict["initial capacity (tonne)"]
+        capacities = PlantCapacity[]
+        for cdict in pdict["capacities"]
+            size = cdict["size (tonne)"]
+            opening_cost = timeseries(cdict["opening cost (\$)"])
+            fix_operating_cost = timeseries(cdict["fixed operating cost (\$)"])
+            var_operating_cost = timeseries(cdict["variable operating cost (\$/tonne)"])
+            push!(
+                capacities,
+                PlantCapacity(; size, opening_cost, fix_operating_cost, var_operating_cost),
+            )
+        end
+
+        plant = Plant(;
+            latitude,
+            longitude,
+            input_mix,
+            output,
+            emissions,
+            storage_cost,
+            storage_limit,
+            disposal_cost,
+            disposal_limit,
+            capacities,
+            initial_capacity,
+        )
+        push!(plants, plant)
+        plants_by_name[pname] = plant
+    end
+
     return Instance(;
         time_horizon,
         building_period,
@@ -76,5 +124,7 @@ function parse(json)::Instance
         products_by_name,
         centers,
         centers_by_name,
+        plants,
+        plants_by_name,
     )
 end
diff --git a/src/instance/structs.jl b/src/instance/structs.jl
index a476635..9a136e0 100644
--- a/src/instance/structs.jl
+++ b/src/instance/structs.jl
@@ -21,6 +21,27 @@ Base.@kwdef struct Center
     disposal_cost::OrderedDict{Product,Vector{Float64}}
 end
 
+Base.@kwdef struct PlantCapacity
+    size::Float64
+    opening_cost::Vector{Float64}
+    fix_operating_cost::Vector{Float64}
+    var_operating_cost::Vector{Float64}
+end
+
+Base.@kwdef struct Plant
+    latitude::Float64
+    longitude::Float64
+    input_mix::OrderedDict{Product,Vector{Float64}}
+    output::OrderedDict{Product,Vector{Float64}}
+    emissions::OrderedDict{String,Vector{Float64}}
+    storage_cost::OrderedDict{Product,Vector{Float64}}
+    storage_limit::OrderedDict{Product,Vector{Float64}}
+    disposal_cost::OrderedDict{Product,Vector{Float64}}
+    disposal_limit::OrderedDict{Product,Vector{Float64}}
+    capacities::Vector{PlantCapacity}
+    initial_capacity::Float64
+end
+
 Base.@kwdef struct Instance
     building_period::Vector{Int}
     centers_by_name::OrderedDict{String,Center}
@@ -29,4 +50,6 @@ Base.@kwdef struct Instance
     products_by_name::OrderedDict{String,Product}
     products::Vector{Product}
     time_horizon::Int
+    plants::Vector{Plant}
+    plants_by_name::OrderedDict{String,Plant}
 end
diff --git a/test/fixtures/boat_example.ipynb b/test/fixtures/boat_example.ipynb
index 007bec9..28e3d61 100644
--- a/test/fixtures/boat_example.ipynb
+++ b/test/fixtures/boat_example.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -54,31 +54,31 @@
     "nail_factory = {\n",
     "    \"input\": None,\n",
     "    \"outputs\": [\"Nail\"],\n",
-    "    \"fixed output (tonne)\": 1,\n",
-    "    \"variable output (tonne/tonne)\": {},\n",
+    "    \"fixed output (tonne)\": {\"Nail\": 1},\n",
+    "    \"variable output (tonne/tonne)\": {\"Nail\": 0},\n",
     "    \"revenue ($/tonne)\": None,\n",
     "    \"collection cost ($/tonne)\": {\"Nail\": 1000},\n",
     "    \"operating cost ($)\": 0,\n",
-    "    \"disposal limit (tonne)\": 1e5,\n",
+    "    \"disposal limit (tonne)\": {\"Nail\": None},\n",
     "    \"disposal cost ($/tonne)\": {\"Nail\": 0},\n",
     "}\n",
     "\n",
     "forest = {\n",
     "    \"input\": None,\n",
     "    \"outputs\": [\"Wood\"],\n",
-    "    \"fixed output (tonne)\": 100,\n",
-    "    \"variable output (tonne/tonne)\": {},\n",
+    "    \"fixed output (tonne)\": {\"Wood\": 100},\n",
+    "    \"variable output (tonne/tonne)\": {\"Wood\": 0},\n",
     "    \"revenue ($/tonne)\": None,\n",
     "    \"collection cost ($/tonne)\": {\"Wood\": 250},\n",
     "    \"operating cost ($)\": 0,\n",
-    "    \"disposal limit (tonne)\": 1e5,\n",
+    "    \"disposal limit (tonne)\": {\"Wood\": None},\n",
     "    \"disposal cost ($/tonne)\": {\"Wood\": 0},\n",
     "}\n",
     "\n",
     "retail = {\n",
     "    \"input\": \"NewBoat\",\n",
     "    \"outputs\": [\"UsedBoat\"],\n",
-    "    \"fixed output (tonne)\": 0,\n",
+    "    \"fixed output (tonne)\": {\"UsedBoat\": 0},\n",
     "    \"variable output (tonne/tonne)\": {\"UsedBoat\": [0.10, 0.25, 0.10]},\n",
     "    \"revenue ($/tonne)\": 3_000,\n",
     "    \"collection cost ($/tonne)\": {\"UsedBoat\": 100},\n",
@@ -115,13 +115,13 @@
     "    },\n",
     "    \"capacities\": [\n",
     "        {\n",
-    "            \"size\": 50,\n",
+    "            \"size (tonne)\": 50,\n",
     "            \"opening cost ($)\": 10_000,\n",
     "            \"fixed operating cost ($)\": 1_000,\n",
     "            \"variable operating cost ($/tonne)\": 5,\n",
     "        },\n",
     "        {\n",
-    "            \"size\": 500,\n",
+    "            \"size (tonne)\": 500,\n",
     "            \"opening cost ($)\": 20_000,\n",
     "            \"fixed operating cost ($)\": 2_000,\n",
     "            \"variable operating cost ($/tonne)\": 5,\n",
@@ -147,13 +147,13 @@
     "    \"disposal limit (tonne)\": {\"Nail\": None, \"Wood\": None},\n",
     "    \"capacities\": [\n",
     "        {\n",
-    "            \"size\": 50,\n",
+    "            \"size (tonne)\": 50,\n",
     "            \"opening cost ($)\": 5_000,\n",
     "            \"fixed operating cost ($)\": 500,\n",
     "            \"variable operating cost ($/tonne)\": 2.5,\n",
     "        },\n",
     "        {\n",
-    "            \"size\": 500,\n",
+    "            \"size (tonne)\": 500,\n",
     "            \"opening cost ($)\": 10_000,\n",
     "         \n",
     "            \"fixed operating cost ($)\": 1_000,\n",
@@ -166,7 +166,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/test/fixtures/boat_example.json b/test/fixtures/boat_example.json
index a37e53f..e326138 100644
--- a/test/fixtures/boat_example.json
+++ b/test/fixtures/boat_example.json
@@ -42,14 +42,20 @@
       "outputs": [
         "Nail"
       ],
-      "fixed output (tonne)": 1,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Nail": 1
+      },
+      "variable output (tonne/tonne)": {
+        "Nail": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Nail": 1000
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Nail": null
+      },
       "disposal cost ($/tonne)": {
         "Nail": 0
       },
@@ -61,14 +67,20 @@
       "outputs": [
         "Nail"
       ],
-      "fixed output (tonne)": 1,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Nail": 1
+      },
+      "variable output (tonne/tonne)": {
+        "Nail": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Nail": 1000
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Nail": null
+      },
       "disposal cost ($/tonne)": {
         "Nail": 0
       },
@@ -80,14 +92,20 @@
       "outputs": [
         "Nail"
       ],
-      "fixed output (tonne)": 1,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Nail": 1
+      },
+      "variable output (tonne/tonne)": {
+        "Nail": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Nail": 1000
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Nail": null
+      },
       "disposal cost ($/tonne)": {
         "Nail": 0
       },
@@ -99,14 +117,20 @@
       "outputs": [
         "Nail"
       ],
-      "fixed output (tonne)": 1,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Nail": 1
+      },
+      "variable output (tonne/tonne)": {
+        "Nail": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Nail": 1000
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Nail": null
+      },
       "disposal cost ($/tonne)": {
         "Nail": 0
       },
@@ -118,14 +142,20 @@
       "outputs": [
         "Nail"
       ],
-      "fixed output (tonne)": 1,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Nail": 1
+      },
+      "variable output (tonne/tonne)": {
+        "Nail": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Nail": 1000
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Nail": null
+      },
       "disposal cost ($/tonne)": {
         "Nail": 0
       },
@@ -137,14 +167,20 @@
       "outputs": [
         "Nail"
       ],
-      "fixed output (tonne)": 1,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Nail": 1
+      },
+      "variable output (tonne/tonne)": {
+        "Nail": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Nail": 1000
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Nail": null
+      },
       "disposal cost ($/tonne)": {
         "Nail": 0
       },
@@ -156,14 +192,20 @@
       "outputs": [
         "Wood"
       ],
-      "fixed output (tonne)": 100,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Wood": 100
+      },
+      "variable output (tonne/tonne)": {
+        "Wood": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Wood": 250
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Wood": null
+      },
       "disposal cost ($/tonne)": {
         "Wood": 0
       },
@@ -175,14 +217,20 @@
       "outputs": [
         "Wood"
       ],
-      "fixed output (tonne)": 100,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Wood": 100
+      },
+      "variable output (tonne/tonne)": {
+        "Wood": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Wood": 250
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Wood": null
+      },
       "disposal cost ($/tonne)": {
         "Wood": 0
       },
@@ -194,14 +242,20 @@
       "outputs": [
         "Wood"
       ],
-      "fixed output (tonne)": 100,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Wood": 100
+      },
+      "variable output (tonne/tonne)": {
+        "Wood": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Wood": 250
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Wood": null
+      },
       "disposal cost ($/tonne)": {
         "Wood": 0
       },
@@ -213,14 +267,20 @@
       "outputs": [
         "Wood"
       ],
-      "fixed output (tonne)": 100,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Wood": 100
+      },
+      "variable output (tonne/tonne)": {
+        "Wood": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Wood": 250
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Wood": null
+      },
       "disposal cost ($/tonne)": {
         "Wood": 0
       },
@@ -232,14 +292,20 @@
       "outputs": [
         "Wood"
       ],
-      "fixed output (tonne)": 100,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Wood": 100
+      },
+      "variable output (tonne/tonne)": {
+        "Wood": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Wood": 250
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Wood": null
+      },
       "disposal cost ($/tonne)": {
         "Wood": 0
       },
@@ -251,14 +317,20 @@
       "outputs": [
         "Wood"
       ],
-      "fixed output (tonne)": 100,
-      "variable output (tonne/tonne)": {},
+      "fixed output (tonne)": {
+        "Wood": 100
+      },
+      "variable output (tonne/tonne)": {
+        "Wood": 0
+      },
       "revenue ($/tonne)": null,
       "collection cost ($/tonne)": {
         "Wood": 250
       },
       "operating cost ($)": 0,
-      "disposal limit (tonne)": 100000.0,
+      "disposal limit (tonne)": {
+        "Wood": null
+      },
       "disposal cost ($/tonne)": {
         "Wood": 0
       },
@@ -270,7 +342,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -297,7 +371,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -324,7 +400,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -351,7 +429,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -378,7 +458,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -405,7 +487,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -432,7 +516,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -459,7 +545,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -486,7 +574,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -513,7 +603,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -540,7 +632,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -567,7 +661,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -594,7 +690,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -621,7 +719,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -648,7 +748,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -675,7 +777,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -702,7 +806,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -729,7 +835,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -756,7 +864,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -783,7 +893,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -810,7 +922,9 @@
       "outputs": [
         "UsedBoat"
       ],
-      "fixed output (tonne)": 0,
+      "fixed output (tonne)": {
+        "UsedBoat": 0
+      },
       "variable output (tonne/tonne)": {
         "UsedBoat": [
           0.1,
@@ -837,7 +951,9 @@
       "outputs": [
         "UsedBoat"
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         {
-          "size": 50,
+          "size (tonne)": 50,
           "opening cost ($)": 10000,
           "fixed operating cost ($)": 1000,
           "variable operating cost ($/tonne)": 5
         },
         {
-          "size": 500,
+          "size (tonne)": 500,
           "opening cost ($)": 20000,
           "fixed operating cost ($)": 2000,
           "variable operating cost ($/tonne)": 5
diff --git a/test/fixtures/simple.json b/test/fixtures/simple.json
index 5781e9e..c68a1e5 100644
--- a/test/fixtures/simple.json
+++ b/test/fixtures/simple.json
@@ -103,5 +103,53 @@
       "disposal limit (tonne)": {},
       "disposal cost ($/tonne)": {}
     }
+  },
+  "plants": {
+    "L1": {
+      "latitude (deg)": 41.881,
+      "longitude (deg)": -87.623,
+      "input mix (%)": {
+        "P1": 95.3,
+        "P2": 4.7
+      },
+      "output (tonne)": {
+        "P3": 0.25,
+        "P4": 0.12
+      },
+      "processing emissions (tonne)": {
+        "CO2": 0.1
+      },
+      "storage cost ($/tonne)": {
+        "P1": 0.1,
+        "P2": 0.1
+      },
+      "storage limit (tonne)": {
+        "P1": 100,
+        "P2": null
+      },
+      "disposal cost ($/tonne)": {
+        "P3": 0,
+        "P4": 0.86
+      },
+      "disposal limit (tonne)": {
+        "P3": null,
+        "P4": 1000.0
+      },
+      "capacities": [
+        {
+          "size (tonne)": 100,
+          "opening cost ($)": 500,
+          "fixed operating cost ($)": 300,
+          "variable operating cost ($/tonne)": 5.0
+        },
+        {
+          "size (tonne)": 500,
+          "opening cost ($)": 1000.0,
+          "fixed operating cost ($)": 400.0,
+          "variable operating cost ($/tonne)": 5.0
+        }
+      ],
+      "initial capacity (tonne)": 150
+    }
   }
 }
diff --git a/test/src/RELOGT.jl b/test/src/RELOGT.jl
index 564eb67..6039da3 100644
--- a/test/src/RELOGT.jl
+++ b/test/src/RELOGT.jl
@@ -14,7 +14,8 @@ end
 
 function runtests()
     @testset "RELOG" begin
-        instance_parse_test()
+        instance_parse_test_1()
+        instance_parse_test_2()
     end
 end
 
diff --git a/test/src/instance/parse_test.jl b/test/src/instance/parse_test.jl
index 085c8cb..84f6d22 100644
--- a/test/src/instance/parse_test.jl
+++ b/test/src/instance/parse_test.jl
@@ -2,7 +2,7 @@ using RELOG
 using Test
 using OrderedCollections
 
-function instance_parse_test()
+function instance_parse_test_1()
     instance = RELOG.parsefile(fixture("simple.json"))
 
     # Parameters
@@ -21,6 +21,7 @@ function instance_parse_test()
     @test instance.products_by_name["P1"] === p1
     p2 = instance.products[2]
     p3 = instance.products[3]
+    p4 = instance.products[4]
 
     # Centers
     @test length(instance.centers) == 3
@@ -41,4 +42,36 @@ function instance_parse_test()
     @test c2.input === nothing
     @test c2.revenue == [0, 0, 0, 0]
 
+    # Plants
+    @test length(instance.plants) == 1
+    l1 = instance.plants[1]
+    @test l1.latitude == 41.881
+    @test l1.longitude == -87.623
+    @test l1.input_mix ==
+          Dict(p1 => [0.953, 0.953, 0.953, 0.953], p2 => [0.047, 0.047, 0.047, 0.047])
+    @test l1.output == Dict(p3 => [0.25, 0.25, 0.25, 0.25], p4 => [0.12, 0.12, 0.12, 0.12])
+    @test l1.emissions == Dict("CO2" => [0.1, 0.1, 0.1, 0.1])
+    @test l1.storage_cost == Dict(p1 => [0.1, 0.1, 0.1, 0.1], p2 => [0.1, 0.1, 0.1, 0.1])
+    @test l1.storage_limit == Dict(p1 => [100, 100, 100, 100], p2 => [Inf, Inf, Inf, Inf])
+    @test l1.disposal_cost == Dict(p3 => [0, 0, 0, 0], p4 => [0.86, 0.86, 0.86, 0.86])
+    @test l1.disposal_limit ==
+          Dict(p3 => [Inf, Inf, Inf, Inf], p4 => [1000.0, 1000.0, 1000.0, 1000.0])
+    @test l1.initial_capacity == 150
+    @test length(l1.capacities) == 2
+    c1 = l1.capacities[1]
+    @test c1.size == 100
+    @test c1.opening_cost == [500, 500, 500, 500]
+    @test c1.fix_operating_cost == [300, 300, 300, 300]
+    @test c1.var_operating_cost == [5, 5, 5, 5]
+    c2 = l1.capacities[2]
+    @test c2.size == 500
+    @test c2.opening_cost == [1000, 1000, 1000, 1000]
+    @test c2.fix_operating_cost == [400, 400, 400, 400]
+    @test c2.var_operating_cost == [5, 5, 5, 5]
 end
+
+
+function instance_parse_test_2()
+    # Should not crash
+    RELOG.parsefile(fixture("boat_example.json"))
+end
\ No newline at end of file