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In our series on the complexities of renewable energy engineering, we now examine the operational stage, focusing on the challenge of variability in renewable energy sources. This is a critical issue for grid operators and project developers, and Keystone Engineering's EPCM and Owner Engineer expertise plays a pivotal role in addressing it.
At Keystone Engineering, we recognize the challenges posed by the variable nature of solar and wind energy. Our multifaceted approach, informed by industry-leading research and case studies, is tailored to manage this variability effectively.
Comprehensive Variability Assessments: In our planning phase, we conduct detailed resource assessments, considering variability during feasibility studies and incorporating flexibility into project design. This approach ensures that we are prepared for variability right from the start.
EPCM/Owner Engineer Solutions for Major Issues: Faced with the challenge of a lack of comprehensive understanding of variability risks and inadequate planning, we focus on thorough variability assessments and promoting flexible design approaches. This includes advocating for robust forecasting and storage solutions and facilitating collaboration between developers, grid operators, and owner engineers.
Technological Integration: We integrate technologies like batteries, pumped hydro, and power-to-gas, considering both economic and technical aspects for storage integration. This is crucial for smoothing out the energy supply and providing grid support during peak demand.
EPCM/Owner Engineer Solutions for Major Issues: Addressing the high costs of storage solutions and limited forecasting accuracy, we perform cost-benefit analyses for storage options and advocate for advancements in forecasting technologies. We collaborate with grid operators to develop flexible interconnection solutions and implement comprehensive risk management plans.
Flexible Interconnection and Advanced Risk Management: Managing variability through grid interconnection agreements, demand-side management, and ancillary services markets is a key part of our strategy. We identify, assess, and mitigate variability-related risks throughout the project lifecycle.
EPCM/Owner Engineer Solutions for Major Issues: To overcome project-specific variability challenges and the lack of standardized best practices, we share knowledge and best practices through case studies and industry collaborations. We develop standardized guidelines for variability management and advocate for policy and financial incentives to support storage adoption.
Keystone Engineering has successfully implemented EPCM and Owner Engineer solutions in a range of projects, demonstrating our ability to manage variability effectively:
Large Scale Solar Farm Project, Northeast Texas: In this 130-acre project, we implemented local LV inverters, a power collection network, and advanced SCADA systems, reflecting our commitment to effective monitoring and control.
Small Scale Commercial Solar Systems: These 30kW systems integrated into commercial buildings utilized local inverters and utility net meters, showcasing our adaptability and custom solutions for various scales and requirements.
Battery Energy Storage Project: An addition to an existing solar facility, this project featured advanced monitoring and control capabilities, demonstrating our commitment to integrating energy storage as a key solution to variability.
At Keystone Engineering, we view variability not just as a challenge, but as an opportunity for innovation and excellence. Through strategic planning, advanced technology, and proactive collaboration, we effectively manage variability in renewable energy projects, paving the way for a more resilient and sustainable energy future.
