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Independent energy engineering

Energy systems shaped by insight, designed for resilience.

JLJ helps property owners, installers, and builders plan battery backup, solar contribution, electrical scope, permitting, and project delivery.

Contextual rendering of solar panels and battery energy storage equipment at a modern building.

How JLJ works

Independent Engineering

Advice is shaped around project requirements, not equipment sales.

Integrated Solutions

Electrical, storage, controls, and delivery constraints are considered together.

Safety & Compliance

Code and permitting implications remain visible throughout scoping.

Measurable Impact

Design decisions connect to runtime, resilience, and practical project outcomes.

Consulting scope

Start with the work your project needs.

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Core consulting

Consulting

General advisory support by phone, video, or on-site.

Product

CursoVerde system

JLJ's battery energy storage product with its own software and load management.

Compliance

Fire permitting

Additional professional permitting scope when fire-code review is required.

Philosophy

Resolve the system before selecting the parts.

JLJ keeps requirements, operating conditions, technical scope, compliance, and delivery responsibility connected before equipment decisions become commitments.

Explore the approach

Verified work

Projects

Selected residential energy systems shaped around operating requirements, site constraints, and coordinated delivery.

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Anonymized architectural visualization of the Timberline Independence mountain residence.

Residential · Central Rocky Mountains, Colorado

Installed project

Timberline Independence

"Timberline Independence" serves a fully off-grid, 20,000-square-foot mountain residence. The operating requirement was clear: maintain dependable whole-home power without a utility connection while supporting the electrical demands of a large luxury property through changing weather and seasonal solar conditions.

Anonymized architectural visualization of the Shadowline hillside residence.

Residential · Aspen, Colorado

Installed project

Shadowline

"Shadowline" supports a modern luxury residence built into the hillside near the base of Shadow Mountain. The home is organized as two architectural wings connected by a long central structure, with extensive glazing, flat rooflines, landscaped terraces, and a lower outdoor living area overlooking the valley.

Anonymized architectural visualization of the Highlands Hearth mountain residence.

Residential · Aspen, Colorado

Installed project

Highlands Hearth

"Highlands Hearth" serves a substantial three-level residence near Aspen Highlands. The property has a more traditional mountain character than many contemporary Aspen homes, with warm wood finishes, sloped rooflines, and a lower-level garage integrated into the site.

About JLJ

Hands-on experience. Clear technical responsibility.

Independent solar, electrical, and energy-storage consulting focused on battery backup system design, code compliance, permitting, and project delivery.

About JLJ

Start with the system, not the equipment.

Define the need, resolve system interactions, and establish clear responsibility before equipment decisions.

Contact JLJ
  • Independent engineering guidance
  • Clear process and expectations
  • Practical solutions you can build on