diff --git a/ext/EMIExt/utils.jl b/ext/EMIExt/utils.jl
index 1dd464d..b65fee2 100644
--- a/ext/EMIExt/utils.jl
+++ b/ext/EMIExt/utils.jl
@@ -17,4 +17,8 @@ end
 EMI.investment_data(tm::EMG.TransmissionMode) =
     tm.data[findfirst(data -> typeof(data) <: InvestmentData, tm.data)]
 
-EMI.investment_data(n::EMG.TransmissionMode, field::Symbol) = getproperty(investment_data(n), field)
\ No newline at end of file
+EMI.investment_data(n::EMG.TransmissionMode, field::Symbol) = getproperty(investment_data(n), field)
+
+
+EMI.start_cap(tm::EMG.TransmissionMode, t_inv, inv_data::NoStartInvData, cap) =
+    capacity(tm, t_inv)