const String PANEL_NAME = "Status Panel";
const String MULTIPLIERS = ".kMGTPEZY" ;
const int PANEL_LINES = 22;
int lineOffset = 0;

void Main()
{
    List<IMyTerminalBlock> work = new List<IMyTerminalBlock>();
    List<IMyTerminalBlock> reactors = new List<IMyTerminalBlock>();
    GridTerminalSystem.GetBlocksOfType<IMyReactor>(reactors);
    GridTerminalSystem.SearchBlocksOfName(PANEL_NAME, work);
    IMyTextPanel panel = null;
    for (int i = 0; i < work.Count; i++)
    {
        if (work[i] is IMyTextPanel) {
           panel = (IMyTextPanel)work[i];
           break;
        }
    }

    System.Text.RegularExpressions.Regex reactorRegex = new System.Text.RegularExpressions.Regex(
                    "Max Output: (\\d+\\.?\\d*) (\\w?)W.*Current Output: (\\d+\\.?\\d*) (\\w?)W",
                    System.Text.RegularExpressions.RegexOptions.Singleline);
    double maxOutput = 0.0f;
    double currentOutput = 0.0f;
    List<String> list = new List<String>();
    for (int i = 0; i < reactors.Count; i++)
    {
        System.Text.RegularExpressions.Match match = reactorRegex.Match(reactors[i].DetailedInfo);
        double parsedDouble;
        if (match.Success) {
            if (Double.TryParse(match.Groups[1].Value, out parsedDouble))
                maxOutput += parsedDouble * Math.Pow(1000.0, MULTIPLIERS.IndexOf(match.Groups[2].Value));

            if (Double.TryParse(match.Groups[3].Value, out parsedDouble))
                currentOutput += parsedDouble * Math.Pow(1000.0, MULTIPLIERS.IndexOf(match.Groups[4].Value));
        }
    }
    list.Add("Power Output: " + powerFormatter(currentOutput) + " / " + powerFormatter(maxOutput));
    list.Insert(0,"------------------------------------------------------");
    list.Insert(0,"System Status");
    for (int o=0; o < lineOffset; o++) {
        String shiftedItem = list[0];
        list.RemoveAt(0);
        list.Add(shiftedItem);
    }
    panel.WritePublicText(String.Join("\n",list.ToArray()), false);

    panel.ShowTextureOnScreen();
    panel.ShowPublicTextOnScreen();
    if (list.Count > PANEL_LINES) {
        lineOffset++;
        if (list.Count - lineOffset < PANEL_LINES) {
           lineOffset = 0;
        }
    }
}

String powerFormatter(double power) {
    int counter = 0;
    while (power > 1000.0) {
        power = power / 1000;
        counter++;
    }
    return "" + Math.Round((double)power,0).ToString("##0") + MULTIPLIERS.Substring(counter,1) + "W";
    }