Repowering & Decommissioning | C&I, Community & Utility-Scale Solar + Storage Projects
Pure Power Engineering provides specialized engineering support for repowering and decommissioning of C&I, community, and utility-scale solar and storage projects. Our teams evaluate existing assets, perform detailed power system studies, and develop upgrade or retirement strategies that improve performance, ensure code compliance, and reduce execution risk. With deep power engineering expertise, we help extend asset life, optimize system capacity, and support smooth transitions through construction, recommissioning, or project closeout.

We have completed permit drawing sets for 3,400+ solar and energy storage projects over 100 kW!
Boasting more than 14 years of industry leadership and a robust team of over 130 in-house engineers, 58+ project managers and professional engineers, we possess the deep experience and technical prowess required to deliver superior engineering solutions. Our commitment is to enhance generation revenue for commercial solar systems while minimizing costs and empowering our clients to expedite the completion of solar and storage projects. This approach accelerates project timelines and significantly boosts profitability, facilitating scalable growth for our clients in the renewable energy domain.
Featured Articles
FEOC Compliance: Balancing Tax Credits and Energy Yield
For years, discussions around Foreign Entities of Concern (FEOC) compliance have been centered on procurement and ...
Read More
Value Engineering Steel Pile Foundations for Utility-Scale Solar Projects
In today's utility-scale solar market, developers, EPCs, and asset owners face increasing pressure to reduce project ...
Read MoreValue Engineering in Solar + Storage - Why “One-Size-Fits-All” Doesn’t Work
Value engineering is the process of reducing costs while carefully balancing impacts on quality, performance, and ...
Read MoreRepowering & Decommissioning Services
Preliminary Engineering
Project design, studies, reports, infrastructure analysis, technical support, and drawings to advance projects from concept to construction.
Structural Engineering
Existing structure analysis, new structural design, equipment foundations, structural support solutions, utility pole design, and reinforcement strategies.
Interconnection Engineering
Utility planning, PSCAD/PSS®E studies, interconnection documentation, and utility coordination services supporting project approvals and grid compliance.
Engineer of Record
Site surveys, power system analysis, calculations, and detailed construction drawings for solar and storage projects, optimizing PV, inverter, and battery design.
Power Engineering
Pre- and post-interconnection studies, interconnection planning, protection design, utility coordination, and grid compliance services.
Electrical Engineering
Site Surveys, electrical system design, one-line diagrams, calculations, construction documents, and power system feasibility support.
Solar + Storage System Design
Glint and Glare Studies, optimal PV/inverter/battery sizing, precise calculations, and code-compliant, risk-reduced design and drawing sets.
Owner’s Engineering
Technical risk management, due diligence, performance validation, quality reviews, PVSYST/energy modeling, design and equipment evaluations, and support.
Civil Engineering
Civil and electrical design reviews, discipline coordination, conflict resolution, value engineering, and civil guidance supporting integrated project delivery.
Repowering Videos
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FEOC Compliance: Balancing Tax Credits and Energy Yield
For years, discussions around Foreign Entities of Concern (FEOC) compliance have been centered on procurement and policy. Developers focused on sourcing enough qualifying equipment to preserve access to federal tax credits, while EPCs concentrated..
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Value Engineering Steel Pile Foundations for Utility-Scale Solar Projects
In today's utility-scale solar market, developers, EPCs, and asset owners face increasing pressure to reduce project costs while maintaining long-term reliability and performance. One of the most significant opportunities for value engineering..
Value Engineering in Solar + Storage - Why “One-Size-Fits-All” Doesn’t Work
Value engineering is the process of reducing costs while carefully balancing impacts on quality, performance, and long-term outcomes. It’s much less about finding a single “optimal” solution and more about navigating a series of trade-offs that vary..
Energy storage can be the “Swiss-army knife” of the electricity grid. Reports for more than a decade have demonstrated the value storage can provide. But now that states have moved from piloting energy storage to adopting it at scale, there is a..