Generator & electricity billing software

Run monthly generator billing without Excel chaos.

VoltaLog by MDS manages customers, readings, tariffs, invoices, receipts, payments, balances, reports, backups, and licenses from one clean Windows application.

Save hours every month, eliminate billing mistakes, track payments, and issue professional invoices and receipts.
Windows desktop Works offline Invoices & receipts Excel-friendly reports Local support
Download latest release Request demo / license
VoltaLog dashboard
One office system Customers, cycles, readings, invoices, payments, reports, and backups.
Offline ready Runs locally on Windows without depending on live internet.
Less mistakes Connect readings, tariffs, payments, receipts, and balances.
Built local Designed around generator and subscription billing workflows.

See the real VoltaLog.

Browse the complete application screen by screen.

Dashboard Dashboard
Customers Customers
Prices Prices
Subscriptions Subscriptions
Billing Cycles Billing Cycles
Readings Readings
Invoices Invoices
Payments Payments
Expenses Expenses
Receipts Receipts
Reports Reports
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Stop running monthly billing from scattered spreadsheets.

VoltaLog keeps customer data, readings, invoices, receipts, payments, and balances connected.

Less manual checking

All monthly records stay connected.

Faster customer answers

Find invoices, receipts, balances, and payment history quickly.

Better cycle control

Manage cycles, tariffs, subscriptions, readings, and collections.

Everything a billing office needs.

Customer management

Details, meters, contacts, status, and history.

Two billing models

Fixed and fixed + kWh billing.

Meter readings

Track previous and current readings by cycle.

Invoices and receipts

Issue documents and track balances.

Reports and Excel

Generate operational and customer reports.

Backups and licensing

Protect data and control licenses.

Clear plans for every generator office.

Choose the first-year package or start monthly from day one.

Standard

$100 first year included, then $15/month

1 PC, up to 300 subscribers, core billing and support.

Recommended

Pro

$150 first year included, then $20/month

Reports, Excel output, backup guidance, and priority support.

Premium

$200 first year included, then $30/month

Advanced setup, training, and expansion guidance.

Monthly from day one

Standard $25/month
Pro $35/month
Premium $50/month

Ready to test VoltaLog?

Contact MDS for demo installation, licensing, and support.

Email MDS Download release
VoltaLog by MDS