diff --git a/PHI-EN/main.lua b/PHI-EN/main.lua
new file mode 100644
index 0000000..c3c5043
--- /dev/null
+++ b/PHI-EN/main.lua
@@ -0,0 +1,96 @@
+local alpha_order = {"b", "c", "d", "e", "f", "g", "h", "i"}
+local base_battery_energy = 5
+local base_battery_flow = 300
+local base_solar_energy = 60
+local graphics_location = "__PHI-EN__/graphics/"
+
+-- entity
+local function EE(source, tier)
+    local item = table.deepcopy(data.raw[source][source])
+    item.name = source .. "-mk" .. tier
+    item.minable.result = source .. "-mk" .. tier
+    item.max_health = 1000
+    item.picture.layers[1].filename = graphics_location .. source .. "-e.png"
+    item.picture.layers[1].hr_version.filename = graphics_location .. source .."-eh.png"
+    item.icon = graphics_location .. source .. "-i.png"
+    item.icon_size = 64
+    item.icon_mipmaps = 4
+
+    if (source == "accumulator")
+    then
+        item.energy_source.buffer_capacity = (base_battery_energy * 4 ^ (tier - 1)) .. "MJ"
+        item.energy_source.input_flow_limit = (base_battery_flow * (4 ^ (tier - 1))) .. "kW"
+        item.energy_source.output_flow_limit = (base_battery_flow * (4 ^ (tier - 1))) .. "kW"
+        item.energy_source.buffer_capacity = (base_battery_energy * 4 ^ (tier - 1)) .. "MJ"
+        item.energy_source.input_flow_limit = (base_battery_flow * (4 ^ (tier - 1))) .. "kW"
+        item.energy_source.output_flow_limit = (base_battery_flow * (4 ^ (tier - 1))) .. "kW"
+        item.charge_animation.layers[1].layers[1].filename = item.picture.layers[1].filename
+        item.charge_animation.layers[1].layers[1].tint = {r = 1, g = 1, b = 1, a = 1}
+        item.charge_animation.layers[1].layers[1].hr_version.filename = item.picture.layers[1].hr_version.filename
+        item.charge_animation.layers[1].layers[1].hr_version.tint = {r = 1, g = 1, b = 1, a = 1}
+        item.discharge_animation.layers[1].layers[1].filename = item.picture.layers[1].filename
+        item.discharge_animation.layers[1].layers[1].tint = {r = 1, g = 1, b = 1, a = 1}
+        item.discharge_animation.layers[1].layers[1].hr_version.filename = item.picture.layers[1].hr_version.filename
+        item.discharge_animation.layers[1].layers[1].hr_version.tint = {r = 1, g = 1, b = 1, a = 1}
+    else
+        item.production = (base_solar_energy * (4 ^ (tier - 1))) .. "kW"
+    end
+    
+    if (tier <= 7)
+    then
+        item.next_upgrade = source .. "-mk" .. (tier + 1)
+    end
+    
+    data:extend({item})
+end
+
+-- item
+local function EI(source, tier)
+    local item = table.deepcopy(data.raw.item[source])
+    item.name = source .. "-mk" .. tier
+    item.place_result = source .. "-mk" .. tier
+    item.max_health = 1000
+    item.subgroup = "energy"
+    item.stack_size = 50
+    item.default_request_amount = 50
+    item.icons = {{icon = graphics_location .. source .. "-i.png", icon_mipmaps = 4, icon_size = 64}}
+
+    if (source == "accumulator")
+    then
+        item.order = "d[" .. source .. "]-b" .. alpha_order[tier - 1] .. "[" .. source .. "-mk" .. tier .. "]"
+
+    else
+        item.order = "e[" .. source .. "]-b" .. alpha_order[tier - 1] .. "[" .. source .. "-mk" .. tier .. "]"
+    end
+
+    data:extend({item})
+end
+
+-- recipe
+local function ER(source, tier)
+    na = source
+
+    if (tier >= 3)
+    then
+        na = na .. "-mk" .. (tier - 1)
+    end
+
+    data:extend({{
+        type = "recipe",
+        name = source .. "-mk" .. tier,
+        energy_required = 5,
+        enabled = "false",
+        ingredients = {{na, 4}},
+        result = source .. "-mk" .. tier,
+    }})
+end
+
+items = {"accumulator", "solar-panel"}
+
+for i=1, 2, 1 do
+    for j=2, 8, 1 do
+        EE(items[i], j)
+        EI(items[i], j)
+        ER(items[i], j)
+    end
+end