List of SEI WEAP Customers
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United States
Since 2010, our global team of researchers has been studying SEI WEAP customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased SEI WEAP for Utilities ERP from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using SEI WEAP for Utilities ERP include: California State Water Resources Control Board United States, a United States based Government organisation with 2700 employees and revenues of $2.00 billion, Yolo County, a United States based Government organisation with 1600 employees and revenues of $668.0 million, Santa Clara Valley Water District, a United States based Utilities organisation with 1500 employees and revenues of $189.0 million, Zamboanga City Water District, a Philippines based Utilities organisation with 625 employees and revenues of $16.0 million and many others.
Contact us if you need a completed and verified list of companies using SEI WEAP, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The SEI WEAP customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight | Insight Source |
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California State Water Resources Control Board United States | Government | 2700 | $2.0B | United States | Stockholm Environment Institute | SEI WEAP | Utilities ERP | 2014 | Stantec | In 2014, California State Water Resources Control Board began development of the Sacramento Water Allocation Model SacWAM using SEI WEAP, classified under Utilities ERP. The SacWAM implementation focused on simulating Sacramento San Joaquin Delta operations and evaluating trade offs for in stream flow and Bay Delta policy decisions to support regulatory planning in California. Development work began with Stantec as an implementation partner and proceeded through iterative model construction and validation phases. SEI WEAP was configured to provide hydrological simulation, scenario based allocation modeling, demand and supply accounting, and policy constraint modules to enable comparative scenario analysis for regulatory decision making. The implementation used SEI WEAP scenario management and resource accounting capabilities to create reproducible policy scenarios and to test alternative flow and allocation rules for the Delta system. SEI WEAP served as the core decision support environment for model calibration, scenario execution, and results visualization. The model entered active regulatory and planning use by 2019, where State Water Resources Control Board regulatory and planning teams applied SacWAM outputs to inform Bay Delta policy analyses and trade off evaluations. Governance emphasized iterative scenario workflows and embedding model outputs into policy analysis cycles, with Stantec providing technical development support during rollout. The deployment scope was concentrated on Sacramento San Joaquin Delta operations and was applied within the Boards policy analysis and regulatory review processes. | |
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Santa Clara Valley Water District | Utilities | 1500 | $189M | United States | Stockholm Environment Institute | SEI WEAP | Utilities ERP | 2015 | n/a | In 2015 Santa Clara Valley Water District engaged Stockholm Environment Institute and applied SEI WEAP under a Utilities ERP initiative to model flows, temperature, and aquatic habitat across the Coyote Creek and Three Creeks watershed. SEI WEAP was used as a watershed-scale decision support application to evaluate reservoir re-operations intended to better protect Chinook salmon and steelhead populations. The implementation configured SEI WEAP’s hydrological and thermal modeling capabilities along with an Aquatic Habitat Assessment plugin to quantify habitat suitability and temperature stress windows. Model configuration focused on streamflow routing, reservoir release scenarios, temperature time series, and habitat suitability outputs, enabling scenario analysis for operations planning and environmental compliance. Operational coverage targeted fisheries management, environmental planning, and operations teams responsible for Anderson Dam and downstream reaches within the Coyote Creek/Three Creeks watershed. SEI WEAP outputs supported field activities, including temperature monitoring associated with Anderson Dam retrofit work, and were applied directly during an emergency 2021 fish rescue operation. The model also informed the FAHCE environmental impact report that was adopted in 2023. Governance and workflow around modeling and monitoring were structured to link SEI WEAP scenario outputs to reservoir re-operation decision processes and environmental reporting. The implementation established an evidence based workflow between modeling outputs, in‑field temperature monitoring, and regulatory documentation, aligning technical modeling with fish protection and permitting activities. | |
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Yolo County | Government | 1600 | $668M | United States | Stockholm Environment Institute | SEI WEAP | Utilities ERP | 2017 | n/a | In 2017 Yolo County implemented the SEI WEAP model for the Yolo County Flood Control and Water Conservation District as part of the county Stormwater Resources Plan, the engagement is recorded under the Utilities ERP category. Stockholm Environment Institute developed a WEAP configuration tailored to assess seasonal runoff capture and groundwater recharge potential across Yolo County California, aligning model outputs with county planning horizons for 2017 to 2018. The SEI WEAP implementation delivered a scenario based hydrologic simulation capability, enabling runoff routing, water balance analysis, and comparative scenario evaluation for flood mitigation and recharge strategies. Functional focus emphasized winter runoff capture analysis, evaluation of groundwater recharge opportunities, and planning level flood mitigation assessment, with model instances configured to support iterative scenario runs and policy sensitivity exploration. Operational scope centered on the Yolo County Flood Control and Water Conservation District and adjacent county planning functions, with the SEI WEAP model underpinning the Storm Water Resource Management Plan 2017 2018. Outputs from SEI WEAP were explicitly used to support grant applications and to inform planning for SGMA related groundwater sustainability actions, integrating model evidence into county governance and grant development workflows. | |
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Utilities | 625 | $16M | Philippines | Stockholm Environment Institute | SEI WEAP | Utilities ERP | 2021 | n/a |
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