Neutrino-HR diagram for the n7d1r10t15c model. Every curve is a track on a F_νe− ⟨ ℰ_νe ⟩  plane produced by a single nucleus/ thermal process. Assuming a single parameter neutrino energy spectrum (Eq. (5)), we are able to immediately select the most interesting for further analysis processes and estimate the expected signal in a given neutrino detection channel. Particularly, we present detection of ν_e using elastic scattering off electrons with the threshold for detection of the electron kinetic energy of 4 MeV in a water Cherenkov detector.