A bill measures a household and a house
Utility history can be useful during a Northern Utah purchase, but it is not a transferable price quote. The prior owner may keep the thermostat at a different setting, travel often, charge an electric vehicle, operate a hot tub, use a basement apartment, or have a different number of occupants. Rates, fixed charges, billing periods, and weather also change.
The Consumer Financial Protection Bureau reminds buyers that energy efficiency can affect utility costs. The U.S. Department of Energy takes the next step: evaluate the home’s energy-related assets and systems, not only past consumption. The most useful review combines bills with the building, equipment, and contracts that produced them.
Check 1: request enough history to see the seasons
Ask the seller what utility records are available and obtain information through the appropriate disclosure and due-diligence process. A full year is more useful than a single month because Northern Utah homes have both heating and cooling seasons. If the home has propane, a private well, septic equipment, secondary-water fees, or shared utilities, collect those costs separately.
For each record, note:
- service dates and number of days in the billing period;
- electricity and fuel usage, not just the amount paid;
- fixed charges, taxes, credits, and adjustment lines;
- whether the account uses equal-pay or budget billing;
- solar production, net-metering credits, or a separate solar payment;
- major equipment added or replaced during the period; and
- vacant months, unusual occupancy, or extreme thermostat settings.
A seller may not have every record, and a utility may restrict account information. Missing history is not automatically a defect. It means the buyer should rely more heavily on inspection, equipment records, a professional energy assessment, and a conservative budget.
Illustrative example
Two similar homes each show a $140 July electricity bill. Home A used 900 kWh and has no solar. Home B bought 500 kWh from the utility but also has leased panels with a separate monthly payment. The dollar amount on the utility statement does not tell the full ownership-cost story.
Check 2: identify the loads the next owner will inherit
List the systems that heat, cool, ventilate, and supply hot water to the home. Record fuel type, approximate age, model information, service history, and which areas each system serves. Include fireplaces, mini-splits, electric resistance heaters, heated floors, pool or spa equipment, well pumps, irrigation controls, and EV charging.
Then look at the building enclosure: attic access and insulation, visible air sealing, exterior doors, windows, basement or crawlspace conditions, duct locations, and additions. A high-efficiency furnace can still serve an uncomfortable or expensive home if ducts leak through an unconditioned attic or the enclosure has major gaps.
DOE recommends a whole-house approach and notes that a professional energy assessment can compare how the systems work together with the utility history. A standard home inspection and an energy audit overlap in places but answer different questions. Confirm the scope before hiring either professional.
Check 3: do not turn an energy label into a guarantee
Standardized ratings are more comparable than an occupant’s bill because they focus on energy-related features under defined assumptions. DOE’s Home Energy Score, for example, uses a one-to-ten scale based on a standard assessment and estimates energy use, associated costs, and potential improvements.
That does not make the score a promise of the next owner’s bills. Actual use still depends on weather, household behavior, rates, maintenance, plug loads, and later changes to the property. Verify the address, assessment date, assessor or rating organization, and whether the report describes the home as it exists today.
For an ENERGY STAR certified new home, EPA says the home must complete third-party inspections and testing under its certification system. The label typically identifies the address, builder or developer, rating company, and verification date. Ask for the actual label and final documentation rather than relying on a marketing phrase such as “energy-efficient.”
Check 4: read solar as equipment and a contract
Solar can reduce the electricity purchased from the utility, but a lower utility bill may be paired with a loan, lease, or power-purchase agreement. The Federal Trade Commission advises consumers to distinguish between owning a system, leasing it, and agreeing to buy the power it produces.
Before treating solar as a benefit, request and review:
- the purchase, loan, lease, or power-purchase agreement;
- current balance, payment schedule, rate escalator, and term;
- ownership of the panels and renewable-energy certificates;
- production history and monitoring access;
- warranties for panels, inverters, roof penetrations, and workmanship;
- maintenance and removal responsibilities;
- utility interconnection and applicable credit arrangement; and
- transfer, payoff, credit-approval, notice, and roof-repair provisions.
The FTC notes that a lease or power-purchase agreement can affect a later sale and may require notice, buyer qualification, fees, transfer, payoff, or removal steps. Coordinate the contract review with the title, lender, solar provider, insurance, and legal professionals appropriate to the transaction. Do not assume the agreement automatically transfers with the deed.
Check 5: create a range, not a prediction
Build a working ownership-cost range using three layers:
- Known recurring costs: current fixed utility charges, fuel delivery, solar payment, water or sewer base fees, and required service plans.
- Usage-sensitive costs: electricity, natural gas, propane, and water adjusted for household size, thermostat habits, work-from-home schedules, vehicles, and amenities.
- Likely capital work: near-term service or replacement of HVAC, water heating, insulation, air sealing, windows, ducts, or solar components.
This is a planning exercise, not a guaranteed forecast. Use current rate information from the serving utilities and ask them how account setup, rate classes, fixed charges, equal-pay plans, and solar credits apply to the address.
For new construction: verify the promised performance
Plans and specification sheets should identify insulation levels, window performance, HVAC equipment, water heating, ventilation, ducts, and air-sealing targets. Ask which features are code requirements, builder standards, paid options, or part of a named third-party certification.
If the home is represented as certified or tested, request the final documents tied to that address. EPA’s ENERGY STAR process commonly includes design review, onsite inspections, a blower-door test for whole-house air leakage, and duct-leakage testing, followed by certification and a label. Other rating or certification systems use their own requirements, so confirm the exact program rather than treating the terms as interchangeable.
During the walkthrough, collect model and serial numbers, manuals, filter sizes, warranty registrations, thermostat instructions, ventilation controls, solar monitoring credentials, and final test reports. A pile of efficient equipment does not automatically prove that the house works as an integrated system.
For sellers: build confidence without promising savings
A seller can prepare a clean energy file with 12 months of available usage, HVAC and water-heater service records, insulation or window invoices, energy-audit reports, permits, rating documents, and complete solar paperwork. Explain material changes—such as a new heat pump, added basement occupancy, or installed EV charger—so buyers do not compare unlike periods.
Avoid promising that a buyer will reproduce the same bills or recover an upgrade cost. Present verifiable records, dates, usage units, and contract terms. Let the buyer and qualified professionals decide what those facts mean for that household.
A practical home-energy file
- Available 12-month electricity, gas, propane, water, and solar records
- Usage units, billing days, fixed charges, credits, and budget-plan adjustments
- HVAC, water-heating, ventilation, appliance, pool, spa, and EV equipment details
- Inspection findings for insulation, air sealing, ducts, windows, and moisture
- Energy audit, Home Energy Score, HERS, or certification documents if represented
- Solar ownership, financing, warranties, production, transfer, and payoff information
- New-construction plans, specifications, commissioning, and final test reports
- A conservative monthly range plus a reserve for maintenance and replacement
The goal is not to predict the next utility statement to the dollar. It is to understand which costs follow the property, which follow the household, which can change, and which documents support the efficiency claims being made.
Sources and further guidance
Review the Department of Energy’s Home Energy Score and home energy checklist, the Consumer Financial Protection Bureau’s home-shopping guidance, EPA ENERGY STAR’s explanation of independent inspections and testing, and the Federal Trade Commission’s guide to home solar agreements. This article is general educational information, not individualized energy, engineering, solar-contract, legal, tax, lending, or financial advice.