¶ Site Design · BRM DIEM
Site Design (DIEM) goes deep on your chosen site — designing, simulating and optimizing a bankable investment case for public charging, ICE-to-EV fleet conversions, EV charging hubs, and BESS. Built for commercial, industrial, retail and multi-residence locations as well as fleets & hubs — on new or existing sites.
¶ 01 · The Brightmerge solution
BRM DIEM consolidates third-party data, project-specific assumptions, and advanced financial and technical optimization models in a secure, collaborative, cloud-based platform.
By replacing spreadsheets, static calculators, and fragmented tools, it delivers robust, multi-scenario investment analysis in a fraction of the time — improving accuracy, traceability, and decision confidence.
BRM DIEM delivers:
¶ 02 · Start your project journey anywhere
Begin from a project, a fleet, or a charging hub. Brightmerge pre-fills what it can from live, up-to-date API databases; you review and adjust the rest; and the deterministic engine optimizes the configuration and the financials together.
Live API data, pre-filled & editable
Deterministic engine · auditable
| Scenario | Base | + BESS | + PV + BESS |
|---|---|---|---|
| PV (kWp) | — | — | 480 |
| BESS (kWh) | — | 600 | 900 |
| CAPEX | $3.4M | $3.9M | $4.6M |
| IRR | 22% | 28% | 34% |
| Payback | 3.3 yr | 2.6 yr | 2.1 yr |
Compare interest rates, suppliers & configs — solved in minutes.
Drafted in minutes, QA'd by our team within 24h, then published to your secure area.
A closer look at your inputs
Enter top-level project information — business model and goals, currency, interest rates and more — and onboard your team so they can collaborate on data, run simulations, and decide together.
Provide data on individual vehicles, grouped by configuration — model, battery capacity — and operational pattern. Optimization returns the ideal fleet structure and operations for your usage, goals and budget, with downloadable financial breakdowns and projections.
Enter equipment, operational parameters and tariffs — or review and modify the values auto-filled via API from up-to-date databases. Optimization returns the recommended hub layout and operational plan, with downloadable financials and projections.
¶ 03 · Technical features powering every project
Weather data, telemetry, tariffs and regulations — kept up to date automatically.
Azure, AWS, Google Cloud.
Python, Kubernetes, MongoDB.
Power BI and Tableau integration.
Multi-user platform with admin permissions management.
Automated load-profile optimization for buses, trucks, vans and passenger vehicles — dedicated fleet hubs, public hubs, or a combination of both.
Multiple "what-if" scenarios across interest rates, input costs, equipment suppliers and more.
Hybridize wind, solar, fuel cells, storage and hybrid AC-DC solutions in one configuration.
* Available upon customer request.
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Brightmerge · Site Design (DIEM)
Electrification of a 58-vehicle last-mile delivery fleet at the Bronx · I-95 Hutchinson depot, paired with on-site solar and battery storage to manage demand charges.
| Vehicle group | Units | Battery | Daily range | Energy / day |
|---|---|---|---|---|
| Delivery vans | 40 | 90 kWh | 180 mi | 2.6 MWh |
| Box trucks | 14 | 210 kWh | 140 mi | 2.1 MWh |
| Yard tractors | 4 | 320 kWh | 60 mi | 0.7 MWh |
Illustrative — figures shown for demonstration only.