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Utility bill auditsRecover overcharges, fix rates Energy procurementElectricity and gas RFPs Utility Cost IntelligenceThe eight-stage discipline Utility bill payPaid on time, coded to your GL Multi-site energy managementEvery account, one portfolio Cost allocationEvery bill on the right ledger Renewable energy advisoryRECs, PPAs, solar TaraBase reportingSavings, usage, contracts, ESG

01 / 08Utility bill auditsRecover overcharges, fix rates

02 / 08Energy procurementElectricity and gas RFPs

03 / 08Utility Cost IntelligenceThe eight-stage discipline

04 / 08Utility bill payPaid on time, coded to your GL

05 / 08Multi-site energy managementEvery account, one portfolio

06 / 08Cost allocationEvery bill on the right ledger

07 / 08Renewable energy advisoryRECs, PPAs, solar

08 / 08TaraBase reportingSavings, usage, contracts, ESG

How an audit works Not sure where to start? Request a bill review

ManufacturingMulti-plant manufacturers Chemical distributionWarehouses, terminals, acquired sites Food and protein processingMeat, dairy, bakery, beverage AgribusinessElevators, mills, oilseed, irrigation Steel and metalsMills, foundries, galvanizers RNG producersRNG plants and fueling stations Cold storage and logisticsRefrigerated warehouses, cold chain Warehousing and distributionDCs and 3PL networks PlasticsMolders, extruders, film plants Paper and packagingMills, converting and box plants Private equity portfoliosPlatform and add-on companies All industriesEvery industry, side by side

01 / 11ManufacturingDemand, ratchets, rate class and gas service at every plant

02 / 11Chemical distribution$500,000+ a year saved across 215+ facilities

03 / 11Food and protein processing$166,957 recovered for a protein processor

04 / 11Agribusiness$117,412 refunded, about $120,000 a year saved

05 / 11Steel and metals17 misclassified accounts, $374,326 refunded

06 / 11RNG producers$3,959,202 refunded across 10 states

07 / 11Cold storage and logisticsDemand, ratchets, time-of-use and capacity tags

08 / 11Warehousing and distributionRate class, charging demand and closed-site accounts

09 / 11PlasticsRate class, demand, power factor and voltage

10 / 11Paper and packagingStandby service, power factor and boiler gas

11 / 11Private equity portfolios$300,000+ refunded at an acquisitive distributor

All 11All industries11 industries, what we check and documented results

Results by industry: case studies Multi-site portfolios in the US and Canada

Case studies Pricing

Industry5 resources

Data Center IndexDaily data center news and the buildout by state Manufacturing Cost Pressure IndexEnergy, feedstock and power costs by metro and state Gas capacity outlooks48 metros, 37 case studies, utility by utility Henry Hub gas pricesDaily since 2013, monthly since 1997

All industry data

Briefings11 resources

Monthly Energy Risk ReportBuy or wait guidance for power and gas U.S. LNG exports outlookWhat exports mean for gas prices to 2031 ERCOT 4CP transmission chargesHow four summer intervals set a year of costs PJM prices and industrial budgetsWhy capacity costs rewrote 2026 budgets

All 11 briefings

Knowledgebase12 resources

What is a utility bill audit?What it checks, the steps, cost and results FAQCosts, refunds, timing and process Billing error libraryHow commercial utility bills go wrong How to read a utility billEvery commercial bill format explained

Everything in Learn: 28 research pages, briefings and guides This month’s market report

About Discovery EnergyIndependent since 2000 Independence and compensationHow we are paid Company factsFounding, fees, service area Press releasesAnnouncements and research Contact(801) 826-4800 Client loginTaraBase, for current clients

01 / 06About Discovery EnergyFounded 2000 in South Jordan, Utah. Multi-site clients across the US and Canada

02 / 06Independence and compensationContingency fees, and any supplier commission disclosed before you sign

03 / 06Company factsTypical recovery: 3% to 15% of annual utility spend

04 / 06Press releasesAnnouncements and the research behind them, newest first

05 / 06Contact(801) 826-4800. We reply within one business day

06 / 06Client loginTaraBase: savings, usage, contracts and bills for current clients

Talk to us: (801) 826-4800 Independent since 2000

Request a bill review

Request a bill review

Industrial power and gas in Illinois

Industrial electricity in Illinois averaged 11.33 ¢/kWh in Aug 2026, +11.3% from a year earlier, the 38th lowest of 51 states with current data. Citygate gas averaged $3.65 per Mcf over Mar to Aug 2026.

By Sam Strong, VP Business Development · Reviewed by Tara Dugger, COO · Data from FRED, BLS and EIA · Updated Nov 11, 2026

Industrial electricity

Illinois industrial

Citygate natural gas

Illinois citygate

Illinois metros in the index

Chicago–Naperville–Elgin, IL-IN, rank 2, est. 333 trillion Btu

All states · Manufacturing Cost Pressure Index

Find out what your bills should have cost.

Send one recent bill per site, or a list of accounts. We tell you where we expect findings before you sign anything. No upfront audit fee.

Talk to Discovery Energy Call (801) 826-4800