Last year's utility spend plus a percentage increase is easy to put into a budget. It is much harder to explain when actual costs diverge. The same annual total can hide a rate change, a new demand peak, a longer operating schedule, or an unusually cold season.
A better 2027 budget separates the physical quantities your building uses from the prices and billing rules applied to them. It also distinguishes committed operating changes from savings the team still hopes to deliver.
In this guide
Build the base from reconciled records
Use an appropriate consumption history for each account, keeping electricity, gas, and other fuels separate. Check service dates, estimated readings, missing bills, and corrections. Preserve the source records and distinguish current-period charges from previous balances.
Record major operating changes: occupied area, shifts, production, new equipment, and closures. A simple historical average may be unsuitable after a tenant change or expansion. Explain the adjustment instead of hiding it inside a broad contingency percentage.
Budget quantities before prices
Estimate monthly kWh, fuel quantities, and applicable billable demand using the building's operating profile. Then apply documented tariff assumptions. Keep energy, demand, fixed charges, taxes, and other relevant components visible so finance can see why the total changes.
Use current supplier information for the account and flag future prices that are unknown. This article does not assume announced 2027 rates or a specific carbon charge. Build the budget from the utility's actual rules and update it when confirmed changes become available.
Create scenarios with identifiable drivers
Develop a base scenario and plausible higher- and lower-cost cases. Change defined inputs such as weather-sensitive consumption, operating hours, or an unconfirmed rate assumption. Avoid stacking several unrelated worst cases without explaining their likelihood and relationship.
The ENERGY STAR explanation of building performance assessment highlights the relevance of physical and operating characteristics. Those same site details help make budgeting assumptions more credible than an undifferentiated annual uplift.
Show a simple financial example
Consider an illustrative annual forecast of 240,000 kWh at an assumed marginal energy price of $0.14/kWh. The energy component is $33,600. If that price increases by 10% while use is unchanged, the component becomes $36,960, an increase of $3,360.
Separately, assume 60 kW of billable demand in each month at $11/kW per month. That component is $7,920 annually. If billable demand rises to 70 kW in each month, it becomes $9,240, an increase of $1,320. Actual tariffs may use ratchets or different rules; model the real account rather than reusing these illustrative assumptions.
Keep proposed savings outside the committed base
List each savings project with its owner, approval status, implementation date, and evidence. A verified schedule change already operating can inform the baseline. An unapproved retrofit should appear as an opportunity scenario until timing and performance are credible.
Include implementation delays, partial-year benefits, and operating costs. Do not subtract twelve months of savings for equipment expected to start in October. Avoid counting the same load reduction in both an efficiency project and a separate demand-management initiative without reconciling the overlap.
Make monthly variance explainable
Review actual consumption and cost against the budget as bills arrive. Separate quantity variance from price variance, then investigate demand, fixed charges, and other components. Note incomplete periods and estimated readings rather than presenting them as final results.
Assign an owner for each material variance. Operations investigates usage changes; finance reconciles billed charges; the budget coordinator updates assumptions. A short explanation linked to evidence is more valuable than repeatedly revising a forecast without recording why.
Give leadership a decision-ready page
Present the annual total, monthly profile, main assumptions, scenario range, and actions that could change the result. State which prices remain unconfirmed and which projects need approval. Keep the detailed account calculations available for review.
Energy Wiz's history, forecasting, and reports can support this working record. Combine those outputs with current utility information and a documented assumptions register. The budget then becomes a tool for operating decisions, with a clear explanation when conditions change.
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