## 4 Determination of Indicator Weights Based on Combination Weighting Method
### Analytic Hierarchy Process
\begin{table}
\begin{tabular}{c c c c} \hline \hline
**Target Hierarchy** & **Program** & **Criterion Hierarchy** & \multicolumn{2}{c}{**Type of Indicators**} \\ \cline{3-4}  & **Hierarchy** & **Quantitative** & **Qualitative** \\ \hline \hline \multirow{8}{*}{Market transactions \(U_{1}\)} & A proportion of new energy & \multirow{2}{*}{\(\surd\)} & \multirow{2}{*}{\(\surd\)} \\  & investment \(U_{11}\) & & \\ \cline{1-1} \cline{3-4}  & Ability to obtain allowances for the & & \\ \cline{1-1} \cline{3-4}  & carbon market trading spreads as an & & \(\surd\) \\ \cline{1-1} \cline{3-4}  & agent \(U_{12}\) & & \\ \cline{1-1} \cline{3-4}  & CCER trading volume \(U_{13}\) & \(\surd\) & \\ \cline{1-1} \cline{3-4}  & Customer electricity cost reduction & & \\ \cline{1-1} \cline{3-4}  & rate \(U_{14}\) & \(\surd\) & \\ \cline{1-1} \cline{3-4}  & A reasonable degree of electricity & & \\ \cline{1-1} \cline{3-4}  & price setting \(U_{15}\) & & \(\surd\) \\ \hline \hline \multirow{8}{*}{Technical means \(U_{2}\)} & Investment in research of energy & \multirow{2}{*}{\(\surd\)} & \multirow{2}{*}{\(\surd\)} \\  & saving and emission reduction & & \\ \cline{1-1} \cline{3-4}  & technologies \(U_{21}\) & & \\ \cline{1-1} \cline{3-4}  & Construction scale of charging & \multirow{2}{*}{\(\surd\)} & \multirow{2}{*}{\(\surd\)} \\  & facilities for electric vehicles \(U_{22}\) & & \\ \cline{1-1} \cline{3-4}  & \multirow{2}{*}{Technical means \(U_{2}\)} & Construction level of monitoring & \\ \cline{1-1} \cline{3-4}  & emission reduction & & \\ \cline{1-1} \cline{3-4} effects for electricity & & & \\ \cline{1-1} \cline{3-4}  & retailers \(U\) & Ability to collect and analyze the data & & \\ \cline{1-1} \cline{3-4}  & of smart electricity utilization \(U_{24}\) & & \(\surd\) \\ \hline \hline \multirow{8}{*}{Integrated energy services \(U_{3}\)} & Output value of energy management & \multirow{2}{*}{\(\surd\)} & \multirow{2}{*}{\(\surd\)} \\  & contract projects \(U_{31}\) & & \\ \cline{1-1} \cline{3-4}  & Electricity saving growth rate at the & & \\ \cline{1-1} \cline{3-4}  & user side \(U_{32}\) & & \\ \cline{1-1} \cline{3-4}  & \multirow{2}{*}{Quality of energy saving and & & \\ \cline{1-1} \cline{3-4}  & management design \(U_{33}\) & & \(\surd\) \\ \cline{1-1} \cline{3-4}  & Level of carbon asset management & & \\ \cline{1-1} \cline{3-4}  & services \(U_{34}\) & & \\ \hline \multirow{8}{*}{Management system \(U_{4}\)} & Energy saving and emission reduction & \multirow{2}{*}{\(\surd\)} & \multirow{2}{*}{\(\surd\)} \\  & policies of electricity retailers \(U_{41}\) & & \\ \cline{1-1} \cline{3-4}  & implementation of energy saving and & & \\ \cline{1-1} \cline{3-4}  & emission reduction rules of & & \\ \cline{1-1} \cline{3-4}  & employees \(U_{42}\) & & \\ \hline \multirow{8}{*}{Social responsibilities \(U_{5}\)} & Propaganda of low-carbon economic & \multirow{2}{*}{\(\surd\)} \\  & awareness \(U_{51}\) & & \\ \cline{1-1} \cline{3-4}  & competition rate of the annual & & \\ \cline{1-1} \cline{3-4}  & energy-saving emission reduction & & \\ \cline{1-1} \cline{3-4}  & target \(U_{52}\) & & \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Hierarchy division of the evaluation indicator system of energy saving and emission reduction effects for electricity retailers in China.