Kaua'i Island Utility Cooperative (KIUC)
Location: Kaua'i, Hawaii
Application: Renewable Integration with 3 MW of solar PV
DPR® Size: 1.5 MW / 1 MWh
COD: Q3 2011
Value to Customer: The KIUC DPR is installed on the utility's side of the meter to control the variability of 3 MW of solar PV generation and act as a source of spinning reserves, while providing frequency and voltage ancillary services. The configurable control system allows KIUC to change desired ramp rates and service priorities in real-time.
Lanai Sustainability Research (Castle & Cooke Hawaii, NREL, and Sandia Labs)
Location: Lana'i, Hawaii
Application: Renewable Integration on a 1.2 MW solar farm
DPR Size: 1.125 MW / 0.5 MWh
COD: Q2 2011
Value to Customer: Per the terms of its Power Purchase Agreement, the solar farm is curtailed to 600 kW until it installs a solution that controls the variability to ± 360 kW/min. With the DPR installed, the solar farm will be able to sells its full 1.2 MW to the grid.
Location: Aurora, Colorado
Application: Renewable Integration with solar
DPR Size: 1 MW / 1 MWh
COD: Q1 2011
Value to Customer: The SolarTAC site allows for demonstration of many services with solar technologies. Xcel will be testing the DPR for performance when performing ramp control, firming and shaping, and ancillary services during its three year lease.