\documentclass[10pt]{article}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\usepackage{ifluatex,ifxetex}
\ifluatex
  \usepackage{fontspec}
  \setmainfont{Free Serif}
\else\ifxetex
  \usepackage{fontspec}
  \setmainfont{FreeSerif}
\else
  \usepackage{ucs}
  \SetUnicodeOption{mathletters}
  \usepackage[utf8x]{inputenc}
\fi\fi

\usepackage{gnuplot-lua-tikz}
\pagestyle{empty}
\usepackage[active,tightpage]{preview}
\PreviewEnvironment{tikzpicture}
\setlength\PreviewBorder{\gpbboxborder}
\begin{document}

\begin{tikzpicture}[gnuplot]
%% generated with GNUPLOT 5.4p8 (Lua 5.3; terminal rev. Jun 2020, script rev. 118)
%% Tue Nov 21 21:24:22 2023
\path (0.000,0.000) rectangle (12.500,8.750);
\gpcolor{color=gp lt color border}
\gpsetlinetype{gp lt border}
\gpsetdashtype{gp dt solid}
\gpsetlinewidth{1.00}
\draw[gp path] (1.872,0.985)--(2.052,0.985);
\node[gp node right] at (1.688,0.985) {$630000$};
\draw[gp path] (1.872,2.228)--(2.052,2.228);
\node[gp node right] at (1.688,2.228) {$635000$};
\draw[gp path] (1.872,3.470)--(2.052,3.470);
\node[gp node right] at (1.688,3.470) {$640000$};
\draw[gp path] (1.872,4.713)--(2.052,4.713);
\node[gp node right] at (1.688,4.713) {$645000$};
\draw[gp path] (1.872,5.956)--(2.052,5.956);
\node[gp node right] at (1.688,5.956) {$650000$};
\draw[gp path] (1.872,7.198)--(2.052,7.198);
\node[gp node right] at (1.688,7.198) {$655000$};
\draw[gp path] (1.872,8.441)--(2.052,8.441);
\node[gp node right] at (1.688,8.441) {$660000$};
\draw[gp path] (1.872,0.985)--(1.872,1.165);
\node[gp node center] at (1.872,0.677) {655994};
\draw[gp path] (3.850,0.985)--(3.850,1.165);
\node[gp node center] at (3.850,0.677) {655994};
\draw[gp path] (5.829,0.985)--(5.829,1.165);
\node[gp node center] at (5.829,0.677) {655994};
\draw[gp path] (7.807,0.985)--(7.807,1.165);
\node[gp node center] at (7.807,0.677) {655994};
\draw[gp path] (9.786,0.985)--(9.786,1.165);
\node[gp node center] at (9.786,0.677) {655994};
\draw[gp path] (11.764,0.985)--(11.764,1.165);
\node[gp node center] at (11.764,0.677) {655994};
\draw[gp path] (1.872,8.441)--(1.872,0.985)--(11.764,0.985);
\node[gp node center,rotate=-270] at (0.108,4.713) {\(P\) (MW)};
\node[gp node center] at (6.818,0.215) {PD (MW)};
\node[gp node right] at (4.248,8.256) {Total \(PD\)};
\gpcolor{rgb color={0.580,0.000,0.827}}
\gpsetdashtype{gp dt 1}
\draw[gp path] (4.432,8.256)--(5.348,8.256);
\draw[gp path] (1.872,7.445)--(3.850,7.445)--(5.829,7.445)--(7.807,7.445)--(9.786,7.445)%
  --(11.764,7.445);
\gpcolor{color=gp lt color border}
\node[gp node right] at (4.248,7.887) {Total \(UD\)};
\gpcolor{rgb color={0.000,0.620,0.451}}
\gpsetdashtype{gp dt 2}
\draw[gp path] (4.432,7.887)--(5.348,7.887);
\draw[gp path] (1.872,1.600)--(3.850,1.600)--(5.829,1.600)--(7.807,1.600)--(9.786,1.600)%
  --(11.764,1.600);
\gpcolor{color=gp lt color border}
\gpsetdashtype{gp dt solid}
\draw[gp path] (1.872,8.441)--(1.872,0.985)--(11.764,0.985);
%% coordinates of the plot area
\gpdefrectangularnode{gp plot 1}{\pgfpoint{1.872cm}{0.985cm}}{\pgfpoint{11.764cm}{8.441cm}}
\end{tikzpicture}
%% gnuplot variables
\end{document}