Ji hoon(David) Maeng

• Strategic Planning: Developed and implemented technology strategies to align with the organization’s objectives for both Behind-the-Meter and Front-of-the-Meter BESS integrations, driving growth and market expansion.
• Innovation and Development: Spearheaded innovation in energy storage technologies, advancing hardware solutions (Battery, PCS, and BoS) and software (multi-layer EMS). Led the exploration of new methodologies and integration of cutting-edge technologies to enhance products, services, and operational processes.
• Compliance and Standards: Ensured all electrical systems and projects adhered to industry standards, regulations, and safety guidelines, including UL 9540, UL 1741, UL 3141, and NFPA 855/68/69, while incorporating advanced safety features to mitigate risks and ensure reliability.
• Supplier and Technology Management: Acted as the primary decision-maker for selecting suppliers and technology providers for Batteries, PCS, and BoS, establishing budget guidelines that optimized cost efficiency, reduced waste, and minimized unnecessary upgrades.
• Product and System Excellence: Oversaw the reliability, efficiency, and innovation of external and internal products and systems, ensuring they met high standards and contributed to the organization’s success and competitive edge.
• Vendor Relationship Management: Managed strategic vendor relationships, ensuring the timely delivery of high-quality products and services at competitive costs, optimizing supply chain performance.
• Leadership and Team Management: Led the Application Engineering, System Engineering, and Product Management teams through pre-sales, RFP participation, project execution, and product planning/development, ensuring cross-functional alignment and successful project delivery.

Notable Accomplishments:

• Successfully launched the first Behind-the-Meter system, an all-in-one AC BESS including proprietary EMS, with three ongoing projects slated for completion by Q4 2024.
• Secured a strategic partnership with a Tier 1 OEM for key equipment (Battery, PCS, and Software), strengthening the supply chain and enhancing product capabilities.
• Successfully launched sizing optimization services for BESS integrated with PV systems, utilizing optimal modeling based on usage profiles and utility rates to enhance system performance and cost-efficiency, positioning the solution as a differentiated offering for system integrators.

• Establish and lead the application team, coordinating with internal stakeholders such as SI SCM, Engineering, and I&C teams, as well as external teams including PF, Development, and EPC.
• Spearhead technical due diligence for the development of solar-plus-storage and standalone storage projects, encompassing acquisition assessments and divestiture activities.
• Direct the sizing, design, and revenue optimization for both solar-plus-storage systems and standalone energy storage solutions, ensuring efficient integration and performance outcomes.
• Lead the data analytics and performance analysis for BESS projects, focusing on duty cycle patterns and battery performance alignment to optimize system functionality and longevity.
• Develop proprietary in-house BESS models, incorporating advanced tools for sizing, design, capital and operational expenditure forecasting, revenue projections, and financial modeling to support decision-making and system development.
• Manage the System Integration Roadmap, overseeing the integration of Energy Management Systems (EMS) and containerized solutions, as well as the development of Battery Master Service Agreements (MSA) and BESS models.
• Provide technical expertise and support to downstream contracts, ensuring clarity and accuracy in scope of work, technical specifications, warranty and performance guarantees, as well as test and commissioning requirements.
• Offer analytics services for commissioning and capacity testing, including test result analysis and the creation of detailed reports with pass/fail criteria to ensure system reliability and performance compliance.

Notable Accomplishments:

• Successfully led the acquisition and divestiture of the largest standalone storage project in ERCOT, a 190 MW 2-hour system, overseeing technical due diligence, developing base case BESS sizing scenarios, establishing Capex/Opex assumptions, forecasting revenue, and conducting performance analysis.
• Managed the installation and commissioning of a 190 MW 2-hour energy storage project in ERCOT, driving vendor evaluation and selection, optimizing system sizing, and leading capacity testing. Analyzed test results and generated detailed reports to ensure performance compliance.
• Contracted a 4 GWh energy storage project in CAISO, optimizing system sizing, leading vendor evaluation and selection, and providing contract support to ensure project alignment with technical and financial objectives.

• Led design optimization for solar and storage systems, performing EPC cost analysis based on solar module size and conducting LCOE comparisons to enhance project cost-effectiveness and efficiency.
• Conducted technical due diligence for both solar-plus-storage and standalone storage projects, assessing feasibility, technical specifications, and system performance.

Notable Accomplishments:

• Due diligence of ESS development portfolio and system integrator (tech module)
• Develop sizing tool for energy storage

• Led business development for ESS projects, overseeing project and master frame contract, project management, product management for development products, and energy storage marketing and sales engineering to drive market growth and customer engagement.

Notable Accomplishments:

• Served as key account manager for major clients including Fluence, Wärtsilä (Greensmith), ABB USA, and others, fostering strong client relationships and driving project success.
• Managed and contributed to the development of 1GW+ of business in the U.S., leading efforts in strategic growth and partnership cultivation in the energy storage sector.

• Led business development for international power grid substation projects, managing project execution from contract negotiation to technical review, while providing expert sales engineering support to ensure project alignment with client requirements.

Notable Accomplishments:

• Awarded the first 330kV substation EPC project in oversea (Ghana), the first substation EPC project in Sri-Lanka (132kV) and the first 400kV transformer supply (Iraq)

Sales and proposal sengineering for international power substation projects, contract negotiation, technical review of design and specification, engineering