onLoadEnv: Load Shifting environment</span>
<span class="sd">    &quot;&quot;&quot;</span>
    
    <span class="k">return</span> <span class="n">CarbonLoadEnv</span><span class="p">(</span><span class="n">n_vars_ci</span><span class="o">=</span><span class="n">n_vars_ci</span><span class="p">,</span>
                         <span class="n">n_vars_energy</span><span class="o">=</span><span class="n">n_vars_energy</span><span class="p">,</span>
                         <span class="n">n_vars_battery</span><