Expert navigation to the right permitting solution

We support Power and Energy clients to ensure compliance and obtain permits more efficiently

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WEC has proven experience saving our clients millions of dollars in capital and operational costs, all while protecting water quality

WEC delivers specialized services to help your team with:

  • NPDES Permitting Support
  • Mixing Zone Modeling & Analysis
  • Field Monitoring and Data Collection
  • Receiving Water Impact Studies
  • Environmental Impact Studies (EIS)
  • Site-specific Criteria & Standards
  • Storm Water Pollution Prevention Plans (SWPPP)
  • Storm Water Quantity & Quality Analysis
  • Surface Water Supply & Modeling
  • TMDL Modeling & review
  • Wastewater Facility Process Design & Construction Permitting
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Project Spotlights:

Modeling, NPDES Permitting, and Construction Permitting Dominion Energy, A.M. Williams Station -Water-Environment-Consultants
Goose Creek, SC

Modeling, NPDES Permitting, and Construction Permitting Dominion Energy, A.M. Williams Station

• WEC was awarded the contract to provide regulatory compliance support to multiple plant projects requiring specialized, fast-tracked NPDES and wastewater construction permits.

• Services included numerical modeling through the CORMIX and EFDC models and NPDES and construction permitting support. The project required close coordination with the design firms (Fluor) to lower the treatment system cost and expedite permitting process.

Duke Energy, Asheville Energy Plant-Water-Environment-Consultants-background
Skyland, NC

Duke Energy, Asheville Energy Plant

• WEC developed permit limits for temperature within a sufficient NPDES compliance margin for a new combined cycle power plant.

• Project including field measurements for bathymetry and current velocities as well as CORMIX modeling, resulting in temperature limits for a long-term operational cost savings for the plant.

Duke-Robinson-Water-Environment-Consultants
Hartsville, SC

Duke Energy, H.B. Robinson Plant

• WEC provided regulatory consultation services regarding 316(b) compliance for Duke Energy’s H.B. Robinson Plant. Duke needed to evaluate the thermal dilution from the lake discharge and understand the cause of stringent Whole Effluent Toxicity (WET) and metals limits.

• Services included measurements of in-stream velocity, bathymetry, and temperature and development of an EFDC numerical model to evaluate localized mixing within the lake. WEC provided recommendation for future NPDES limitations and reduced the biological assessment requirements performed for 316(b) compliance.

Duke Energy, W.S. Lee Station-Water-Environment-Consultants
Belton, SC

Duke Energy, W.S. Lee Station

WEC revised the NPDES permit limitations for temperature and whole effluent toxicity (WET) for Duke Energy’s existing and new and natural gas plants, resulting in capital and operation cost savings for the plant.

• Project included field measurements for bathymetry and current velocities, numerical modeling with EFDC, and permitting support.

Santee Cooper, Cross Station Flow Analyses and Modeling-Water-Environment-Consultants
Cross, SC

Santee Cooper, Cross Station Flow Analyses and Modeling

• WEC provided regulatory compliance support for Santee Cooper by evaluating low and average annual instream flow rates used by the SC Department of Health and Environmental Control (SCDHEC) to establish permit limits.

• WEC used the CORMIX model and revised flow to establish whole effluent toxicity limits and recommendation for a multiport diffuser system to improve mixing.

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