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
Simplify the Complex - Rethinking Standardization for Modern Solar Projects
Owners & developers want long-term performance. EPCs want to get steel in the ground and pass inspections. Between ...
Read MoreNEC 2026 - The Code Changes That Matter Most for Solar Developers and EPCs
The 2026 edition of the National Electrical Code (NEC) introduces a wide range of updates that affect how solar PV ...
Read More6 Practical Insights for Standalone Battery Energy Storage System (BESS) Design
Driven by grid stability & reliability needs and by the integration of renewables, Standalone BESS (battery energy ...
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
Value Engineering Tips See More
Simplify the Complex - Rethinking Standardization for Modern Solar Projects
Owners & developers want long-term performance. EPCs want to get steel in the ground and pass inspections.Between those two priorities lies the real challenge: how much of your project should be standardized, and when does customization pay off?
..
NEC 2026 - The Code Changes That Matter Most for Solar Developers and EPCs
The 2026 edition of the National Electrical Code (NEC) introduces a wide range of updates that affect how solar PV systems are designed, installed, and inspected. While many revisions are editorial or structural, several changes have real..
6 Practical Insights for Standalone Battery Energy Storage System (BESS) Design
Driven by grid stability & reliability needs and by the integration of renewables, Standalone BESS (battery energy storage systems) are moving from pilot to mainstream. But anyone who has tried to develop or engineer one, especially in dense, highly..
Interconnection queues are more congested than ever, and the path to approval is increasingly opaque. Developers are spending serious money on land control, studies, and legal work, only to hit delays when grid studies surface surprises late in the..