diff --git a/coordinator/coordinator.lua b/coordinator/coordinator.lua
index 27543ec..094bf5b 100644
--- a/coordinator/coordinator.lua
+++ b/coordinator/coordinator.lua
@@ -38,6 +38,7 @@ function coordinator.load_config()
     config.SpeakerVolume = settings.get("SpeakerVolume")
     config.Time24Hour = settings.get("Time24Hour")
     config.TempScale = settings.get("TempScale")
+    config.EnergyScale = settings.get("EnergyScale")
 
     config.DisableFlowView = settings.get("DisableFlowView")
     config.MainDisplay = settings.get("MainDisplay")
@@ -67,6 +68,8 @@ function coordinator.load_config()
     cfv.assert_type_bool(config.Time24Hour)
     cfv.assert_type_int(config.TempScale)
     cfv.assert_range(config.TempScale, 1, 4)
+    cfv.assert_type_int(config.EnergyScale)
+    cfv.assert_range(config.EnergyScale, 1, 3)
 
     cfv.assert_type_bool(config.DisableFlowView)
     cfv.assert_type_table(config.UnitDisplays)
@@ -702,7 +705,7 @@ function coordinator.comms(version, nic, sv_watchdog)
 
                                     if conf.num_units == config.UnitCount then
                                         -- init io controller
-                                        iocontrol.init(conf, public, config.TempScale)
+                                        iocontrol.init(conf, public, config.TempScale, config.EnergyScale)
 
                                         self.sv_addr = src_addr
                                         self.sv_linked = true
diff --git a/coordinator/iocontrol.lua b/coordinator/iocontrol.lua
index 5d8428f..e8102a4 100644
--- a/coordinator/iocontrol.lua
+++ b/coordinator/iocontrol.lua
@@ -14,6 +14,9 @@ local pgi     = require("coordinator.ui.pgi")
 
 local ALARM_STATE = types.ALARM_STATE
 local PROCESS = types.PROCESS
+
+local ENERGY_SCALE = types.ENERGY_SCALE
+local ENERGY_UNITS = types.ENERGY_SCALE_UNITS
 local TEMP_SCALE = types.TEMP_SCALE
 local TEMP_UNITS = types.TEMP_SCALE_UNITS
 
@@ -50,8 +53,10 @@ end
 ---@param conf facility_conf configuration
 ---@param comms coord_comms comms reference
 ---@param temp_scale TEMP_SCALE temperature unit
-function iocontrol.init(conf, comms, temp_scale)
-    io.temp_label = TEMP_UNITS[temp_scale]
+---@param energy_scale ENERGY_SCALE energy unit
+function iocontrol.init(conf, comms, temp_scale, energy_scale)
+    io.temp_label   = TEMP_UNITS[temp_scale]
+    io.energy_label = ENERGY_UNITS[energy_scale]
 
     -- temperature unit label and conversion function (from Kelvin)
     if temp_scale == TEMP_SCALE.CELSIUS then
@@ -65,6 +70,18 @@ function iocontrol.init(conf, comms, temp_scale)
         io.temp_convert = function (t) return t end
     end
 
+    -- energy unit label and conversion function (from Joules unless otherwise specified)
+    if energy_scale == ENERGY_SCALE.FE or energy_scale == ENERGY_SCALE.RF then
+        io.energy_convert = util.joules_to_fe_rf
+        io.energy_convert_from_fe = function (t) return t end
+        io.energy_convert_to_fe = function (t) return t end
+    else
+        io.energy_label = "J"
+        io.energy_convert = function (t) return t end
+        io.energy_convert_from_fe = util.fe_rf_to_joules
+        io.energy_convert_to_fe = util.joules_to_fe_rf
+    end
+
     -- facility data structure
     ---@class ioctl_facility
     io.facility = {
@@ -692,7 +709,7 @@ function iocontrol.update_facility_status(status)
                 ps.publish("is_discharging", out_f > in_f)
 
                 if data and data.build then
-                    local cap = util.joules_to_fe(data.build.transfer_cap)
+                    local cap = util.joules_to_fe_rf(data.build.transfer_cap)
                     ps.publish("at_max_io", in_f >= cap or out_f >= cap)
                 end
             else
diff --git a/coordinator/process.lua b/coordinator/process.lua
index 1016e62..0615e30 100644
--- a/coordinator/process.lua
+++ b/coordinator/process.lua
@@ -70,8 +70,8 @@ function process.init(iocontrol, coord_comms)
 
         self.io.facility.ps.publish("process_mode", ctl_proc.mode)
         self.io.facility.ps.publish("process_burn_target", ctl_proc.burn_target)
-        self.io.facility.ps.publish("process_charge_target", ctl_proc.charge_target)
-        self.io.facility.ps.publish("process_gen_target", ctl_proc.gen_target)
+        self.io.facility.ps.publish("process_charge_target", self.io.energy_convert_from_fe(ctl_proc.charge_target))
+        self.io.facility.ps.publish("process_gen_target", self.io.energy_convert_from_fe(ctl_proc.gen_target))
         self.io.facility.ps.publish("process_waste_product", ctl_proc.waste_product)
         self.io.facility.ps.publish("process_pu_fallback", ctl_proc.pu_fallback)
         self.io.facility.ps.publish("process_sps_low_power", ctl_proc.sps_low_power)
@@ -316,8 +316,8 @@ function process.start_ack_handle(response)
 
     self.io.facility.ps.publish("process_mode", ctl_proc.mode)
     self.io.facility.ps.publish("process_burn_target", ctl_proc.burn_target)
-    self.io.facility.ps.publish("process_charge_target", ctl_proc.charge_target)
-    self.io.facility.ps.publish("process_gen_target", ctl_proc.gen_target)
+    self.io.facility.ps.publish("process_charge_target", self.io.energy_convert_from_fe(ctl_proc.charge_target))
+    self.io.facility.ps.publish("process_gen_target", self.io.energy_convert_from_fe(ctl_proc.gen_target))
 
     self.io.facility.start_ack(ack)
 end
diff --git a/coordinator/ui/components/boiler.lua b/coordinator/ui/components/boiler.lua
index 72eef55..86866f5 100644
--- a/coordinator/ui/components/boiler.lua
+++ b/coordinator/ui/components/boiler.lua
@@ -1,7 +1,7 @@
-local style          = require("coordinator.ui.style")
-
 local iocontrol      = require("coordinator.iocontrol")
 
+local style          = require("coordinator.ui.style")
+
 local core           = require("graphics.core")
 
 local Rectangle      = require("graphics.elements.rectangle")
diff --git a/coordinator/ui/components/imatrix.lua b/coordinator/ui/components/imatrix.lua
index c5a1e55..cfec34d 100644
--- a/coordinator/ui/components/imatrix.lua
+++ b/coordinator/ui/components/imatrix.lua
@@ -1,5 +1,7 @@
 local util           = require("scada-common.util")
 
+local iocontrol      = require("coordinator.iocontrol")
+
 local style          = require("coordinator.ui.style")
 
 local core           = require("graphics.core")
@@ -34,6 +36,8 @@ local function new_view(root, x, y, data, ps, id)
     local ind_yel = style.ind_yel
     local ind_wht = style.ind_wht
 
+    local db = iocontrol.get_db()
+
     local title = "INDUCTION MATRIX"
     if type(id) == "number" then title = title .. id end
 
@@ -48,24 +52,24 @@ local function new_view(root, x, y, data, ps, id)
     local rect = Rectangle{parent=matrix,border=border(1,colors.gray,true),width=33,height=22,x=1,y=3}
 
     local status    = StateIndicator{parent=rect,x=10,y=1,states=style.imatrix.states,value=1,min_width=14}
-    local capacity  = PowerIndicator{parent=rect,x=7,y=3,lu_colors=lu_col,label="Capacity:",format="%8.2f",value=0,width=26,fg_bg=text_fg}
-    local energy    = PowerIndicator{parent=rect,x=7,y=4,lu_colors=lu_col,label="Energy:  ",format="%8.2f",value=0,width=26,fg_bg=text_fg}
-    local avg_chg   = PowerIndicator{parent=rect,x=7,y=5,lu_colors=lu_col,label="\xb7Average:",format="%8.2f",value=0,width=26,fg_bg=text_fg}
-    local input     = PowerIndicator{parent=rect,x=7,y=6,lu_colors=lu_col,label="Input:   ",format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
-    local avg_in    = PowerIndicator{parent=rect,x=7,y=7,lu_colors=lu_col,label="\xb7Average:",format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
-    local output    = PowerIndicator{parent=rect,x=7,y=8,lu_colors=lu_col,label="Output:  ",format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
-    local avg_out   = PowerIndicator{parent=rect,x=7,y=9,lu_colors=lu_col,label="\xb7Average:",format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
-    local trans_cap = PowerIndicator{parent=rect,x=7,y=10,lu_colors=lu_col,label="Max I/O: ",format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
+    local capacity  = PowerIndicator{parent=rect,x=7,y=3,lu_colors=lu_col,label="Capacity:",unit=db.energy_label,format="%8.2f",value=0,width=26,fg_bg=text_fg}
+    local energy    = PowerIndicator{parent=rect,x=7,y=4,lu_colors=lu_col,label="Energy:  ",unit=db.energy_label,format="%8.2f",value=0,width=26,fg_bg=text_fg}
+    local avg_chg   = PowerIndicator{parent=rect,x=7,y=5,lu_colors=lu_col,label="\xb7Average:",unit=db.energy_label,format="%8.2f",value=0,width=26,fg_bg=text_fg}
+    local input     = PowerIndicator{parent=rect,x=7,y=6,lu_colors=lu_col,label="Input:   ",unit=db.energy_label,format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
+    local avg_in    = PowerIndicator{parent=rect,x=7,y=7,lu_colors=lu_col,label="\xb7Average:",unit=db.energy_label,format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
+    local output    = PowerIndicator{parent=rect,x=7,y=8,lu_colors=lu_col,label="Output:  ",unit=db.energy_label,format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
+    local avg_out   = PowerIndicator{parent=rect,x=7,y=9,lu_colors=lu_col,label="\xb7Average:",unit=db.energy_label,format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
+    local trans_cap = PowerIndicator{parent=rect,x=7,y=10,lu_colors=lu_col,label="Max I/O: ",unit=db.energy_label,format="%8.2f",rate=true,value=0,width=26,fg_bg=text_fg}
 
     status.register(ps, "computed_status", status.update)
-    capacity.register(ps, "max_energy", function (val) capacity.update(util.joules_to_fe(val)) end)
-    energy.register(ps, "energy", function (val) energy.update(util.joules_to_fe(val)) end)
+    capacity.register(ps, "max_energy", function (val) capacity.update(db.energy_convert(val)) end)
+    energy.register(ps, "energy", function (val) energy.update(db.energy_convert(val)) end)
     avg_chg.register(ps, "avg_charge", avg_chg.update)
-    input.register(ps, "last_input", function (val) input.update(util.joules_to_fe(val)) end)
+    input.register(ps, "last_input", function (val) input.update(db.energy_convert(val)) end)
     avg_in.register(ps, "avg_inflow", avg_in.update)
-    output.register(ps, "last_output", function (val) output.update(util.joules_to_fe(val)) end)
+    output.register(ps, "last_output", function (val) output.update(db.energy_convert(val)) end)
     avg_out.register(ps, "avg_outflow", avg_out.update)
-    trans_cap.register(ps, "transfer_cap", function (val) trans_cap.update(util.joules_to_fe(val)) end)
+    trans_cap.register(ps, "transfer_cap", function (val) trans_cap.update(db.energy_convert(val)) end)
 
     local fill      = DataIndicator{parent=rect,x=11,y=12,lu_colors=lu_col,label="Fill:     ",format="%7.2f",unit="%",value=0,width=20,fg_bg=text_fg}
     local cells     = DataIndicator{parent=rect,x=11,y=13,lu_colors=lu_col,label="Cells:    ",format="%7d",value=0,width=18,fg_bg=text_fg}
diff --git a/coordinator/ui/components/process_ctl.lua b/coordinator/ui/components/process_ctl.lua
index eea09e4..e1f3614 100644
--- a/coordinator/ui/components/process_ctl.lua
+++ b/coordinator/ui/components/process_ctl.lua
@@ -56,8 +56,10 @@ local function new_view(root, x, y)
     local blk_brn = cpair(colors.black, colors.brown)
     local blk_pur = cpair(colors.black, colors.purple)
 
-    local facility = iocontrol.get_db().facility
-    local units = iocontrol.get_db().units
+    local db = iocontrol.get_db()
+
+    local facility = db.facility
+    local units = db.units
 
     local main = Div{parent=root,width=128,height=24,x=x,y=y}
 
@@ -141,22 +143,22 @@ local function new_view(root, x, y)
 
     local chg_target = Div{parent=targets,x=9,y=6,width=23,height=3,fg_bg=s_hi_box}
     local c_target = SpinboxNumeric{parent=chg_target,x=2,y=1,whole_num_precision=15,fractional_precision=0,min=0,arrow_fg_bg=arrow_fg_bg,arrow_disable=style.theme.disabled}
-    TextBox{parent=chg_target,x=18,y=2,text="MFE",fg_bg=style.theme.label_fg}
-    local cur_charge = DataIndicator{parent=targets,x=9,y=9,label="",format="%19d",value=0,unit="MFE",commas=true,lu_colors=black,width=23,fg_bg=blk_brn}
+    TextBox{parent=chg_target,x=18,y=2,text="M"..db.energy_label,fg_bg=style.theme.label_fg}
+    local cur_charge = DataIndicator{parent=targets,x=9,y=9,label="",format="%19d",value=0,unit="M"..db.energy_label,commas=true,lu_colors=black,width=23,fg_bg=blk_brn}
 
     c_target.register(facility.ps, "process_charge_target", c_target.set_value)
-    cur_charge.register(facility.induction_ps_tbl[1], "avg_charge", function (fe) cur_charge.update(fe / 1000000) end)
+    cur_charge.register(facility.induction_ps_tbl[1], "avg_charge", function (fe) cur_charge.update(db.energy_convert_from_fe(fe) / 1000000) end)
 
     local gen_tag = Div{parent=targets,x=1,y=11,width=8,height=4,fg_bg=blk_pur}
     TextBox{parent=gen_tag,x=2,y=2,text="Gen. Target",width=7,height=2}
 
     local gen_target = Div{parent=targets,x=9,y=11,width=23,height=3,fg_bg=s_hi_box}
     local g_target = SpinboxNumeric{parent=gen_target,x=8,y=1,whole_num_precision=9,fractional_precision=0,min=0,arrow_fg_bg=arrow_fg_bg,arrow_disable=style.theme.disabled}
-    TextBox{parent=gen_target,x=18,y=2,text="kFE/t",fg_bg=style.theme.label_fg}
-    local cur_gen = DataIndicator{parent=targets,x=9,y=14,label="",format="%17d",value=0,unit="kFE/t",commas=true,lu_colors=black,width=23,fg_bg=blk_brn}
+    TextBox{parent=gen_target,x=18,y=2,text="k"..db.energy_label.."/t",fg_bg=style.theme.label_fg}
+    local cur_gen = DataIndicator{parent=targets,x=9,y=14,label="",format="%17d",value=0,unit="k"..db.energy_label.."/t",commas=true,lu_colors=black,width=23,fg_bg=blk_brn}
 
     g_target.register(facility.ps, "process_gen_target", g_target.set_value)
-    cur_gen.register(facility.induction_ps_tbl[1], "last_input", function (j) cur_gen.update(util.round(util.joules_to_fe(j) / 1000)) end)
+    cur_gen.register(facility.induction_ps_tbl[1], "last_input", function (j) cur_gen.update(util.round(db.energy_convert(j) / 1000)) end)
 
     -----------------
     -- unit limits --
@@ -262,7 +264,10 @@ local function new_view(root, x, y)
         local limits = {}
         for i = 1, #rate_limits do limits[i] = rate_limits[i].get_value() end
 
-        process.save(mode.get_value(), b_target.get_value(), c_target.get_value(), g_target.get_value(), limits)
+        process.save(mode.get_value(), b_target.get_value(),
+                     db.energy_convert_to_fe(c_target.get_value()),
+                     db.energy_convert_to_fe(g_target.get_value()),
+                     limits)
     end
 
     -- start automatic control after saving process control settings
diff --git a/coordinator/ui/components/turbine.lua b/coordinator/ui/components/turbine.lua
index 179e82d..fd6049a 100644
--- a/coordinator/ui/components/turbine.lua
+++ b/coordinator/ui/components/turbine.lua
@@ -1,4 +1,4 @@
-local util           = require("scada-common.util")
+local iocontrol      = require("coordinator.iocontrol")
 
 local style          = require("coordinator.ui.style")
 
@@ -24,14 +24,16 @@ local function new_view(root, x, y, ps)
     local text_fg = style.theme.text_fg
     local lu_col = style.lu_colors
 
+    local db = iocontrol.get_db()
+
     local turbine = Rectangle{parent=root,border=border(1,colors.gray,true),width=23,height=7,x=x,y=y}
 
     local status    = StateIndicator{parent=turbine,x=7,y=1,states=style.turbine.states,value=1,min_width=12}
-    local prod_rate = PowerIndicator{parent=turbine,x=5,y=3,lu_colors=lu_col,label="",format="%10.2f",value=0,rate=true,width=16,fg_bg=text_fg}
+    local prod_rate = PowerIndicator{parent=turbine,x=5,y=3,lu_colors=lu_col,label="",unit=db.energy_label,format="%10.2f",value=0,rate=true,width=16,fg_bg=text_fg}
     local flow_rate = DataIndicator{parent=turbine,x=5,y=4,lu_colors=lu_col,label="",unit="mB/t",format="%10.0f",value=0,commas=true,width=16,fg_bg=text_fg}
 
     status.register(ps, "computed_status", status.update)
-    prod_rate.register(ps, "prod_rate", function (val) prod_rate.update(util.joules_to_fe(val)) end)
+    prod_rate.register(ps, "prod_rate", function (val) prod_rate.update(db.energy_convert(val)) end)
     flow_rate.register(ps, "steam_input_rate", flow_rate.update)
 
     local steam  = VerticalBar{parent=turbine,x=2,y=1,fg_bg=cpair(colors.white,colors.gray),height=4,width=1}
diff --git a/graphics/elements/indicators/power.lua b/graphics/elements/indicators/power.lua
index 69e4a0b..adcd100 100644
--- a/graphics/elements/indicators/power.lua
+++ b/graphics/elements/indicators/power.lua
@@ -6,6 +6,7 @@ local element = require("graphics.element")
 
 ---@class power_indicator_args
 ---@field label string indicator label
+---@field unit string energy unit
 ---@field format string power format override (lua string format)
 ---@field rate boolean? whether to append /t to the end (power per tick)
 ---@field lu_colors? cpair label foreground color (a), unit foreground color (b)
@@ -24,6 +25,7 @@ local element = require("graphics.element")
 ---@return graphics_element element, element_id id
 local function power(args)
     element.assert(type(args.value) == "number", "value is a required field")
+    element.assert(type(args.unit) == "string", "unit is a required field")
     element.assert(util.is_int(args.width), "width is a required field")
 
     args.height = 1
@@ -40,7 +42,7 @@ local function power(args)
     function e.on_update(value)
         e.value = value
 
-        local data_str, unit = util.power_format(value, false, args.format)
+        local data_str, unit = util.power_format(value, args.unit, false, args.format)
 
         -- write data
         e.w_set_cur(data_start, 1)
@@ -53,14 +55,13 @@ local function power(args)
         end
 
         -- append per tick if rate is set
-        -- add space to FE so we don't end up with FEE (after having kFE for example)
         if args.rate == true then
             unit = unit .. "/t"
-            if unit == "FE/t" then unit = "FE/t " end
-        else
-            if unit == "FE" then unit = "FE " end
         end
 
+        -- add space to unit so we don't end up with something like FEE after having kFE
+        unit = util.strminw(unit, 5)
+
         e.w_write(" " .. unit)
     end
 
diff --git a/scada-common/types.lua b/scada-common/types.lua
index aeeca16..e392f53 100644
--- a/scada-common/types.lua
+++ b/scada-common/types.lua
@@ -96,6 +96,25 @@ types.TEMP_SCALE_UNITS = {
     "\xb0R"
 }
 
+---@enum ENERGY_SCALE
+types.ENERGY_SCALE = {
+    JOULES = 1,
+    FE = 2,
+    RF = 3
+}
+
+types.ENERGY_SCALE_NAMES = {
+    "Joules (J)",
+    "Forge Energy (FE)",
+    "Redstone Flux (RF)"
+}
+
+types.ENERGY_SCALE_UNITS = {
+    "J",
+    "FE",
+    "RF"
+}
+
 ---@enum PANEL_LINK_STATE
 types.PANEL_LINK_STATE = {
     LINKED = 1,
diff --git a/scada-common/util.lua b/scada-common/util.lua
index 9d36e3a..b86f8bb 100644
--- a/scada-common/util.lua
+++ b/scada-common/util.lua
@@ -24,7 +24,7 @@ local t_pack   = table.pack
 local util = {}
 
 -- scada-common version
-util.version = "1.4.1"
+util.version = "1.4.2"
 
 util.TICK_TIME_S = 0.05
 util.TICK_TIME_MS = 50
@@ -120,6 +120,13 @@ function util.strwrap(str, limit)
     return cc_strings.wrap(str, limit)
 end
 
+-- make sure a string is at least 'width' long
+---@nodiscard
+---@param str string
+---@param width integer minimum width
+---@return string string
+function util.strminw(str, width) return cc_strings.ensure_width(str, width) end
+
 -- concatenation with built-in to string
 ---@nodiscard
 ---@vararg any
@@ -375,65 +382,63 @@ end
 
 --#region MEKANISM MATH
 
--- convert Joules to FE
+-- convert Joules to FE (or RF)
 ---@nodiscard
 ---@param J number Joules
----@return number FE Forge Energy
-function util.joules_to_fe(J) return (J * 0.4) end
+---@return number FE Forge Energy or Redstone Flux
+function util.joules_to_fe_rf(J) return (J * 0.4) end
 
--- convert FE to Joules
+-- convert FE (or RF) to Joules
 ---@nodiscard
----@param FE number Forge Energy
+---@param FE number Forge Energy or Redstone Flux
 ---@return number J Joules
-function util.fe_to_joules(FE) return (FE * 2.5) end
+function util.fe_rf_to_joules(FE) return (FE * 2.5) end
 
-local function kFE(fe) return fe / 1000.0 end
-local function MFE(fe) return fe / 1000000.0 end
-local function GFE(fe) return fe / 1000000000.0 end
-local function TFE(fe) return fe / 1000000000000.0 end
-local function PFE(fe) return fe / 1000000000000000.0 end
-local function EFE(fe) return fe / 1000000000000000000.0 end    -- if you accomplish this please touch grass
-local function ZFE(fe) return fe / 1000000000000000000000.0 end -- how & why did you do this?
-
--- format a power value into XXX.XX UNIT format (FE, kFE, MFE, GFE, TFE, PFE, EFE, ZFE)
+-- format a power value into XXX.XX UNIT format<br>
+-- example for FE: FE, kFE, MFE, GFE, TFE, PFE, EFE, ZFE
 ---@nodiscard
----@param fe number forge energy value
+---@param e number energy value
+---@param label string energy scale label
 ---@param combine_label? boolean if a label should be included in the string itself
 ---@param format? string format override
----@return string str, string? unit
-function util.power_format(fe, combine_label, format)
+---@return string str, string unit
+function util.power_format(e, label, combine_label, format)
     local unit, value
 
     if type(format) ~= "string" then format = "%.2f" end
 
-    if fe < 1000.0 then
-        unit = "FE"
-        value = fe
-    elseif fe < 1000000.0 then
-        unit = "kFE"
-        value = kFE(fe)
-    elseif fe < 1000000000.0 then
-        unit = "MFE"
-        value = MFE(fe)
-    elseif fe < 1000000000000.0 then
-        unit = "GFE"
-        value = GFE(fe)
-    elseif fe < 1000000000000000.0 then
-        unit = "TFE"
-        value = TFE(fe)
-    elseif fe < 1000000000000000000.0 then
-        unit = "PFE"
-        value = PFE(fe)
-    elseif fe < 1000000000000000000000.0 then
-        unit = "EFE"
-        value = EFE(fe)
+    if e < 1000.0 then
+        unit = ""
+        value = e
+    elseif e < 1000000.0 then
+        unit = "k"
+        value = e / 1000.0
+    elseif e < 1000000000.0 then
+        unit = "M"
+        value = e / 1000000.0
+    elseif e < 1000000000000.0 then
+        unit = "G"
+        value = e / 1000000000.0
+    elseif e < 1000000000000000.0 then
+        unit = "T"
+        value = e / 1000000000000.0
+    elseif e < 1000000000000000000.0 then
+        unit = "P"
+        value = e / 1000000000000000.0
+    elseif e < 1000000000000000000000.0 then
+        -- if you accomplish this please touch grass
+        unit = "E"
+        value = e / 1000000000000000000.0
     else
-        unit = "ZFE"
-        value = ZFE(fe)
+        -- how & why did you do this?
+        unit = "Z"
+        value = e / 1000000000000000000000.0
     end
 
+    unit = unit .. label
+
     if combine_label then
-        return util.sprintf(util.c(format, " %s"), value, unit)
+        return util.sprintf(util.c(format, " %s"), value, unit), unit
     else
         return util.sprintf(format, value), unit
     end
diff --git a/supervisor/facility.lua b/supervisor/facility.lua
index 8fb3746..825186f 100644
--- a/supervisor/facility.lua
+++ b/supervisor/facility.lua
@@ -29,7 +29,7 @@ local DTV_RTU_S_DATA = qtypes.DTV_RTU_S_DATA
 
 -- 7.14 kJ per blade for 1 mB of fissile fuel<br>
 -- 2856 FE per blade per 1 mB, 285.6 FE per blade per 0.1 mB (minimum)
-local POWER_PER_BLADE = util.joules_to_fe(7140)
+local POWER_PER_BLADE = util.joules_to_fe_rf(7140)
 
 local FLOW_STABILITY_DELAY_S = const.FLOW_STABILITY_DELAY_MS / 1000
 
@@ -332,9 +332,9 @@ function facility.new(config, cooling_conf)
             end
 
             if has_data then
-                local energy = util.joules_to_fe(db.tanks.energy)
-                local input  = util.joules_to_fe(db.state.last_input)
-                local output = util.joules_to_fe(db.state.last_output)
+                local energy = util.joules_to_fe_rf(db.tanks.energy)
+                local input  = util.joules_to_fe_rf(db.state.last_input)
+                local output = util.joules_to_fe_rf(db.state.last_output)
 
                 if self.im_stat_init then
                     self.avg_charge.record(energy, charge_update)
@@ -1283,7 +1283,7 @@ function facility.new(config, cooling_conf)
             status.induction[i] = { matrix.is_faulted(), db.formed, db.state, db.tanks }
 
             local fe_per_ms = self.avg_net.compute()
-            local remaining = util.joules_to_fe(util.trinary(fe_per_ms >= 0, db.tanks.energy_need, db.tanks.energy))
+            local remaining = util.joules_to_fe_rf(util.trinary(fe_per_ms >= 0, db.tanks.energy_need, db.tanks.energy))
             status.power[4] = remaining / fe_per_ms
         end
 
diff --git a/supervisor/startup.lua b/supervisor/startup.lua
index 885dd09..ad7a5e2 100644
--- a/supervisor/startup.lua
+++ b/supervisor/startup.lua
@@ -21,7 +21,7 @@ local supervisor = require("supervisor.supervisor")
 
 local svsessions = require("supervisor.session.svsessions")
 
-local SUPERVISOR_VERSION = "v1.4.1"
+local SUPERVISOR_VERSION = "v1.4.2"
 
 local println = util.println
 local println_ts = util.println_ts