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View Passanisi Services's top competitors like Alliant Energy, Bright Energy, and CleanPowerSF.

Alliant Energy
Alliant Energy Corporation (NASDAQ: LNT) provides regulated energy service to approximately 1 million electric and 425,000 natural gas retail customers across Iowa and Wisconsin. Our mission To deliver the energy solutions and exceptional service our customers and communities count on – safely, affordably, efficiently and responsibly. We're powering beyond the challenges of today to drive what’s next in energy. We pursue emerging technologies and safe, sustainable methods of energy production. We take our responsibility as a corporate citizen seriously. We are stewards of the environment and support the communities in which we do business. We aspire to achieve net-zero greenhouse gas emissions from our utility operations by 2050. We promote a culture of belonging. We focus on creating a culture of belonging. We want everyone to bring their unique perspectives and experiences and be themselves. This helps us all contribute to solving the energy challenges facing our region.
Madison, Wisconsin, US
Public
$4B Revenue
http://www.alliantenergy.com
2.6K Employees
LNT Ticker
Private
https://www.infigenenergy.com
Energy Source
Energy Source helps organizations simplify energy efficiency, electrification, EV charging, distributed energy, and electrical infrastructure projects. We serve facility teams and portfolio leaders across public sector, healthcare, higher education, industrial + manufacturing, property management, and national accounts with one coordinated path from assessment to measurable results. Our work connects strategy, incentives, engineering, construction, and performance documentation so projects move forward with clarity, accountability, and less added complexity. Core solutions: • Energy Efficiency: HVAC, lighting, controls, envelope, BMS, and electrical efficiency • EV Charging: Level 2 + DC fast deployment, utility coordination, and uptime planning • Distributed Energy + Supply: solar, battery storage, resiliency, and energy supply strategy • Electrical + Site Services: infrastructure upgrades, field execution, and complex site support From a single facility to a multi-site rollout, Energy Source helps identify high-impact opportunities, structure funding and approvals, manage turnkey implementation, and verify performance after delivery. 10,000+ projects completed $1B+ in client energy savings 700MW+ in energy savings delivered Serving clients across the Northeast and supporting multi-site programs nationwide. Specialties Energy Efficiency, Electrification, EV Charging, Electrical Infrastructure, Distributed Energy, Battery Storage, Solar, Energy Supply, HVAC, Lighting, Controls, BMS, Utility Incentives, Turnkey Project Delivery, Facility Assessments, Multi-Site Programs, Measurement & Verification
Smithfield, Rhode Island, US
Private
$6.1M Revenue
http://www.energysource.com
46 Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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