Slightly increase Large Turbine energy output and fuel burn (#3988)

Author: DilithiumThoride

src/main/java/com/gregtechceu/gtceu/common/machine/multiblock/generator/LargeTurbineMachine.java

@@ -136,7 +136,7 @@ public int getRotorDurabilityPercent() {
      * Recipe is fast parallelized up to {@code (baseEUt * power) / recipeEUt} times.
      * Duration is then multiplied by the holder efficiency.
      * </p>
-     * 
+     *
      * @param machine a {@link LargeTurbineMachine}
      * @param recipe  recipe
      * @return A {@link ModifierFunction} for the given Turbine Multiblock and recipe
@@ -156,9 +156,15 @@ public static ModifierFunction recipeModifier(@NotNull MetaMachine machine, @Not
         if (EUt.isEmpty() || turbineMaxVoltage <= EUt.voltage() || holderEfficiency <= 0) return ModifierFunction.NULL;
 
         // get the amount of parallel required to match the desired output voltage
+        // Max Parallel is Ceilinged not Floored to ensure the output voltage is actually met,
+        // at the cost of slightly increased fuel
         int maxParallel = (int) (turbineMaxVoltage / EUt.getTotalEU());
+        if (turbineMaxVoltage % EUt.getTotalEU() != 0) maxParallel++;
+
         int actualParallel = ParallelLogic.getParallelAmountFast(turbineMachine, recipe, maxParallel);
-        double eutMultiplier = turbineMachine.productionBoost() * actualParallel;
+        double eutMultiplier = (maxParallel == actualParallel) ?
+                turbineMachine.productionBoost() * turbineMaxVoltage / EUt.voltage() :
+                turbineMachine.productionBoost() * actualParallel;
 
         return ModifierFunction.builder()
                 .inputModifier(ContentModifier.multiplier(actualParallel))