Changzhou Nexus Energy Solartech Nesl is a manufacturer of monocrystalline and polycrystalline (c-Si) solar modules with output range of 165 watts to 310 watts DC power. NESL Solar Panels are made in China. In 2010, NESL opened a North American distribution office in Oregon, NESL-USA to provide solar PV modules, local delivery and customer support in the USA.