Best Practices for Utility-Scale Solar Inverter Design
Utility-scale solar projects rely heavily on the type of inverter used, as it directly impacts installation, efficiency, cost, and...
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- Aug 20
- 3 min
Trends and Best Practices in Utility-Scale Solar Cable Management
In the rapidly evolving landscape of utility-scale solar energy projects, effective cable management is a critical component when it...
- Aug 5
- 4 min
How to Plan for the Unexpected in Solar Design & Engineering
When designing and engineering utility-scale solar projects, being proactive and adaptable is critical to avoid significant unforeseen...
- Jul 22
- 4 min
How to Reduce Solar Project Timelines & Costs with Integrated Switchboards
The utility-scale solar energy sector is rapidly evolving, with evolving innovations aimed at reducing costs and increasing efficiency....
- May 21
- 3 min
Top 5 Tips to Seamlessly Integrate Solar Racking Systems with Civil Plans
Integrating solar racking systems with civil plans is a critical aspect of successful solar energy projects. From setbacks to spacing to...
- Feb 19
- 4 min
3 Reasons Every Solar Design & Engineering Firm Needs a Certified Project Management Office
Utility-scale solar projects involve complex and large-scale operations, requiring meticulous planning, coordination, and execution to...
- Jan 2
- 4 min
How to De-Risk Solar Projects & Permit Faster with a Stormwater Pollution Prevention Plan (SWPPP)
The majority of solar construction projects in the U.S. will fall under the National Pollutant Discharge Elimination System (NPDES)...
- Nov 2, 2023
- 4 min
Top 4 Stormwater Management Practices for Permitting Solar Projects
Stormwater standards in the United States were first implemented in 1972 through the Clean Water Act, long before the commercialization...
- Oct 6, 2023
- 3 min
Solar Arc Flash Safety Series Part 3:Making Arc Flash Labels More Effective
Two-thirds of arc flash incidents result from human error, according to the Occupational Safety and Health Administration (OSHA). Arch...
- Sep 18, 2023
- 4 min
Solar Arc Flash Safety Series Part 2:Worst Case Scenarios & Routine Troubleshooting
Arch flash burns are one of the top three most common dangers when working with energized electrical equipment, with two-thirds of arc...
- Aug 1, 2023
- 3 min
PV Cable Sizing, Part Four: How to Reap Savings with the NEC Round-Up Rule
The NEC “round-up” rule of 240.4(B) can yield significant cost savings during the solar energy design and installation process. It...
- Jul 24, 2023
- 4 min
Solar Arc Flash Safety Series Part One: Warning Labels & Working on Energized Systems
Over the last decade, solar prices have declined 54 percent, allowing the solar market to experience an annual average growth rate of 24...
- May 10, 2023
- 4 min
Illinois Community Solar Land Rush: What Developers & EPCs Need to Know
Q&A with Castillo Engineering Castillo Engineering has provided its design and engineering expertise in Illinois and New York for over...
- Mar 10, 2023
- 9 min
PV Cable Sizing Part Three: When and When Not to Follow NEC Conductor Rating Tables
By Joe Jancauskas, Senior Electrical Engineer at Castillo Engineering First published in 1897, the National Electric Code (NEC) has been...
- Jan 19, 2023
- 3 min
Castillo Engineering Completes Best Year on Record
Company grows sales by 60 percent compared to prior year Castillo Engineering announced that it had completed its best year on record...
- Nov 15, 2022
- 6 min
10 Energy Storage Design Considerations That Can Make or Break your project
Unlike BESS (Battery Energy Storage Systems), solar energy systems come in a wide variety of visually apparent, unique flavors: fixed...
- Sep 9, 2022
- 10 min
PV Cable Sizing, Part Two: How to Safely Reduce PV Cable Sizes While Maximizing Project Returns
By Joe Jancauskas, Senior Electrical Engineer at Castillo Engineering While moderately oversizing your solar panel cables can ensure fire...
- Jul 20, 2022
- 4 min
Top 5 Battery Energy Storage System (BESS) Design Essentials
With the price of lithium battery cell prices having fallen by 97% over the past three decades, and standalone utility-scale storage...
- Jun 30, 2022
- 6 min
PV Cable Sizing, Part One: Inverter Output Conductor Sizing
By Joe Jancauskas, Senior Electrical Engineer at Castillo Engineering Second to only PV module ratings, nothing changes faster than...
- May 18, 2022
- 3 min
2 Ways Solar-Plus-Storage System Design Flexibility Can Reduce Project Time & Costs
The solar industry is often referred to as the “solar coaster” due to its seemingly constant changes as permitting requirements...
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