The commercial buyer's library
Practical reading on contracts, bills, operating decisions and supplier choice. The existing library remains available while we strengthen its content and source notes.
24 guides on this page. Browse more with the page links below.
A gas invoice may include contracted demand, transport capacity or related charges under its tariff. These are not automatically an electric-style kW peak charge. Read the bill units, capacity commitment, reconciliation and any nomination or balancing obligations before modeling a reduction.
Updated 2026-10-15Learn about commercial gas meter types and their impact on billing for commercial natural gas customers in deregulated markets.
Updated 2026-10-15Learn about commercial gas service line installation guide for commercial natural gas customers in deregulated markets.
Updated 2026-10-15Learn about commercial gas usage benchmarks by industry for commercial natural gas customers in deregulated markets.
Updated 2026-10-15Optimize your commercial HVAC system to reduce electricity consumption and heating costs.
Updated 2026-10-15Optimize your commercial HVAC system to reduce natural gas consumption and heating costs.
Updated 2026-10-15Reduce electricity consumption in your commercial kitchen with equipment upgrades and operational changes.
Updated 2026-10-15Reduce natural gas consumption in your commercial kitchen with equipment upgrades and operational changes.
Updated 2026-10-15Verified EIA commercial gas observations by state for 2025, with 2024 comparison, visible units, source links and account-level procurement limits.
Updated 2026-10-15Avoid these common mistakes when purchasing electricity for your business.
Updated 2026-10-15Avoid these common mistakes when purchasing natural gas for your business.
Updated 2026-10-15Learn about condensate recovery for gas boilers for commercial natural gas customers in deregulated markets.
Updated 2026-10-15Learn about converting your business to electricity for commercial electricity customers in deregulated markets.
Updated 2026-10-15Learn about converting your business to natural gas for commercial natural gas customers in deregulated markets.
Updated 2026-10-15Learn how to build a comprehensive corporate energy procurement policy, from framework design to implementation and optimization, with strategies for cost control, risk management, and sustainability goals.
Updated 2026-10-15Bitcoin miners need curtailable, interruptible electricity contracts — not standard C&I rates. This guide covers mining tariff structures, site selection across TX/WY/KY/PA, and how to negotiate with utilities.
Updated 2026-10-15Discover how to protect your commercial building's energy systems from cyberattacks. Covers the top 5 threats to smart buildings and HVAC systems, an actionable security checklist, and how a proactive energy strategy reduces your Illinois business's exposure.
Updated 2026-10-15Procuring power for a data center, cold storage, EV depot, or large industrial load is different from a typical commercial account. Learn tariffs, interconnection queues, PPAs, wholesale access, and demand-charge strategy for high-load-factor facilities.
Updated 2026-10-15Discover the truth about deregulated energy markets in Illinois. We debunk the 10 most common myths that are costing businesses money and preventing them from capturing the full benefits of energy choice.
Updated 2026-10-15Confused by your Illinois commercial electricity bill? This line-by-line breakdown explains every charge—from demand fees to delivery riders—and gives you 3 immediate steps to lower your costs.
Updated 2026-10-15Demand charges consume 30-50% of most commercial electric bills. These five high-leverage tactics can Compare assumptions, costs and account conditions.
Updated 2026-10-15Learn how Illinois businesses can earn revenue through demand response programs. Discover the 3 types of Illinois demand response programs, eligibility requirements, and how to enroll your facility today.
Updated 2026-10-15Explore distributed energy resources (DERs) for Illinois businesses—from solar and battery storage to microgrids and demand response. Learn top opportunities, real challenges, and a step-by-step DER roadmap.
Updated 2026-10-15Should your business use an energy broker, hire an energy consultant, or buy supply direct from suppliers? Compare what each option does, what it costs, and a decision framework by business size and energy spend.
Updated 2026-10-15