Check out the latest JWMM paper on stormwater modeling for solar farms by Thomas Barnard and James Barbis (Amec Foster Wheeler) and Mohamed Agnaou (Atkins). Follow the link to read more about the use of spatially varied 2D H&H models in assessing potential sites and in designing stormwater control measures for solar farms.
Two Dimensional Modeling to Simulate Stormwater Flows at Photovoltaic Solar Energy Sites