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DIY Energy workspace

Seven open energy tools.

Use quick planning calculations to establish a baseline and frame better questions before a detailed assessment. No login or registration is required.

Planning-use notice

These tools provide simplified estimates from the inputs you enter. They do not constitute an energy audit, tariff quote, engineering design, savings guarantee, or investment recommendation.

Quick cost & performance

Fast calculations for early audit questions.

Change any input to update the result and interpretation immediately.

Quick calc 01

Electricity Cost Estimator

Convert monthly consumption and a blended ECG or supplier tariff into a monthly and annual electricity-cost baseline.

The 2.10 GHS/kWh starting value is an illustrative planning preset. Replace it with the blended rate on your current bill. Each 1% reduction in this baseline is approximately GH₵ 6,300 per year.

Monthly electricity use kWhBlended ECG / supplier tariff GHS/kWh

Estimated electricity costGH₵ 52,500 / month

GH₵ 630,000 per year. Add demand charges, levies, taxes, generator fuel, and backup-power costs separately where applicable.

Quick calc 02

Energy Use Intensity

Normalize annual electricity use by gross floor area to create a basic facility-performance indicator.

Track this metric for the same facility month-to-month or year-to-year before comparing it with peers.

Annual electricity use kWh/yearGross floor area m²

Electricity EUI60 kWh/m²·year

Peer comparison requires consistent area definitions, operating hours, climate, occupancy, and building use.

Quick calc 03

Savings Opportunity Scenario

Explore the order of magnitude of a possible cost reduction against a known annual energy-cost baseline.

Every percentage point in this scenario equals about GH₵ 6,300 per year.

Annual energy cost GHS/yearImprovement scenario %

Illustrative annual opportunityGH₵ 63,000 / year

A planning scenario—not a savings guarantee. An assessment is needed to identify and validate measures, cost, and feasibility.

Audit screening

Read the shape of the opportunity.

Use these screening tools to frame demand, investment, emissions, and audit readiness.

Audit tool 04

Load Factor Screening

Compare actual energy use with the theoretical maximum implied by peak demand over the same period.

Moderate screening load factor: compare demand timing with occupancy and equipment schedules.

Period electricity use kWhPeak demand kWHours in period hours

Screening load factor45.7 %

Confirm that consumption and peak demand cover exactly the same billing period before using this result.

Audit tool 05

Simple Payback & Five-Year View

Screen a project using initial cost and estimated annual savings before a full lifecycle analysis.

Simple payback excludes financing, maintenance, escalation, tax, residual value, and the time value of money.

Project cost GHSAnnual savings GHS/year

Simple payback2.5 years

Illustrative five-year savings less initial cost: GH₵ 150,000.

Audit tool 06

Electricity Emissions Estimate

Apply a user-supplied electricity emission factor to annual consumption for a simple operational estimate.

Replace the example factor with the current approved factor for the relevant grid, supplier, and reporting method.

Annual electricity use kWh/yearEmission factor kgCO₂e/kWh

Estimated electricity emissions120 tCO₂e / year

Calculation: annual kWh × entered factor ÷ 1,000. Scope, factor source, and reporting boundary remain the user’s responsibility.

Audit tool 07

Energy Audit Readiness Check

Select the information already available. The checklist highlights the most useful gaps to close before a detailed audit.

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Begin with bills, tariff details, facility schedule, and a major-equipment list.

12–24 months of electricity and fuel billsCurrent tariff and meter detailsFacility area, occupancy, and operating scheduleMajor equipment and asset scheduleDrawings, single-line diagrams, and controls sequencesMaintenance records and known reliability issuesBMS trends, submeters, or interval dataClear cost, reliability, or project objective

Future premium apps

Visible now. Locked until plans launch.

Accounts, saved projects, billing, exports, and paid access are future features. No registration or payment is required for the seven free tools.

Utility Bill Trends

Monthly consumption, demand, cost, and year-over-year movement.

Premium · Future release

Tariff Scenarios

Compare tariff and operating scenarios before project planning.

Premium · Future release

Lifecycle & ROI

Structure replacement choices around cost, useful life, and payback.

Premium · Future release

Portfolio Benchmarking

Compare facilities using normalized performance indicators.

Premium · Future release

Report Builder

Turn observations and opportunities into a prioritized draft report.

Premium · Future release

Premium access will launch later

All current tools remain open.

Paywall status

Premium apps are an animated product preview only. Pricing, accounts, storage, and a payment provider have not been activated.

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