ESS quote preparation

Commercial ESS Project Quote Preparation Checklist

A complete quote request helps suppliers review the correct commercial ESS cabinet configuration faster. Use this checklist before asking for a C&I energy storage cabinet, peak-shaving battery, backup storage system, solar self-consumption battery, or EV charging site storage.

Best use

Before requesting a C&I ESS quotation

Application inputs

Peak shaving, backup, solar, EV charging

Technical inputs

Load data, PCS power, cooling, grid data

Commercial inputs

Delivery country, documents, installation scope

Project objective

State the primary and secondary objectives. A cabinet used only for peak shaving is sized differently from a system that must also reserve energy for backup or absorb PV surplus.

  • Peak shaving or contracted-capacity reduction.
  • Solar self-consumption or export limitation.
  • Backup power for critical loads.
  • EV charging support or grid-capacity buffering.

Technical data to send

Send enough data for an initial configuration review. If measured data is not available, provide the best current design estimates and clearly mark them as estimates.

  • Interval load data, monthly bills, tariff rules, and grid capacity.
  • Target kWh, PCS kW, backup duration, PV capacity, and charger power where relevant.
  • Site country, ambient temperature range, altitude, humidity, dust, corrosion, and available footprint.
  • Required cooling method, fire protection, communication, monitoring, and documentation.

Commercial and logistics scope

Clarify whether the quote should include freight, customs documents, taxes, installation support, commissioning, training, spare parts, and service. Items not listed in the final written quotation should be treated as excluded.

Frequently asked questions

Selection questions

Can JKESS quote without load data?

An initial discussion is possible, but accurate sizing for peak shaving, backup, or solar self-consumption requires load and site data.

What is the most common missing input?

The most common missing inputs are interval load data, backup-load list, site voltage, cooling requirement, and final delivery scope.

Does the quote include installation?

Only if installation, commissioning, training, or travel support are expressly included in the signed quotation.