With the growth of the commercial solar market, SMA has expanded its central inverter line for 2008. The new Sunny Central 250U have integrated isolation transformers and deliver the highest efficiencies available for large PV power plant inverters. The user interface has been completely updated and now features a large LCD that provides a graphical view of the daily plant production as well as the status of the PV array, inverter, and utility grid. The new 250U now offer optional PV string monitoring that makes the process of troubleshooting the PV array more efficient.

The new Sunny Centrals offer a wide variety of remote monitoring options. Users can now choose from RS485, Ethernet, or wireless communications via Bluetooth or GSM with the optional Web- Box. Daily performance data can be automatically uploaded to the free Sunny Portal website. The accuracy of performance data can be increased through the use of the optional Sunny SensorBox which provides monitoring of local irradiance, temperatures, and wind speed.

The new Sunny Centrals from SMA represent years of innovative design experience by the world's largest manufacturer of PV inverters. Designed for easy installation, operation, and performance monitoring, the new Sunny Centrals are the ideal choice for your large scale PV project.