I cloned the gitbub repo and just compiled it:
git clone https://github.com/Devianttwo/Electric
cd Electric
qmake "USE_UPNP=-"
make -j8
If you get error, you may be missing some development software installed. What linux distro are you using?
If missing packages, for Debian, you need to install following packages to compile most coin clients:
libqt4-dev
qt4-dev-tools
qt4-qmake
libboost-filesystem-dev
libboost-program-options-dev
libboost-thread-dev
libboost-system-dev
libboost-dev
libdb++-dev
Fro Ubuntu the list should be probably the same. For other distros, look for similarly named packages and install them