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Keen Energy

Commercial Solar Projects & Case Studies

Real systems. Real specs. No invented numbers.

Every project below is documented with its actual system size, mounting approach, and engineering scope. Where we discuss economics, we label them as illustrative estimates — we show you the math, not marketing promises. Each case study covers what the facility needed, what Keen delivered, and what it proves for buyers like you.

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The Portfolio

From a 46kW remote desert resort to a 793kW manufacturing rooftop — five documented commercial installations across Southern California.

793kW rooftop solar array at a plastic injection molding facility in La Verne, installed by Keen Energy
Manufacturing

793kW Manufacturing Facility Solar

793kW system

La Verne, CA

Rooftop — Solar Strap ballastless

A near-megawatt rooftop system for a plastic injection molding plant, mounted ballastless to protect the roof structure and sized against high industrial energy demands.

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600kW rooftop solar with elevated racking at a National City senior living campus, installed by Keen Energy
Senior Living

600kW Senior Living Solar + 250kWh Battery

600kW + 250kWh system

National City, CA

Rooftop — elevated racking, multiple buildings

Solar and battery storage across a multi-building campus, with elevated racking engineered for concrete S-tile and mixed roofing and backup power capability built in.

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181.5kW garage-mounted community solar arrays at a San Clemente HOA, installed by Keen Energy
HOA / Community

181.5kW HOA Community Solar

181.5kW system

San Clemente, CA

Garage-mounted — VNEM interconnection

Garage-mounted arrays on hot tar gravel roofing, underground boring for clean electrical routing, and a VNEM interconnection sharing credits across the community.

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139kW ballasted rooftop solar across three apartment buildings in Vista, CA, installed by Keen Energy
Multi-Family Housing

139kW Multi-Family Solar Across 3 Buildings

139kW system

Vista, CA

Rooftop — ballasted, VNEM interconnection

One engineered system across three apartment buildings, targeting the common-area electric costs the owner pays every month.

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46kW ground-mounted solar array at a desert resort in Borrego Springs, installed by Keen Energy
Hospitality

46kW Desert Resort Solar

46kW system

Borrego Springs, CA

Ground mount — 100% utility offset

A ground-mounted system engineered for extreme desert heat at a remote hospitality property, designed battery-backup ready and sized to offset 100% of utility usage.

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What Every Project Has in Common

Different industries, different roofs, different interconnections — same delivery discipline.

Full EPC Scope

Engineering, procurement, construction, permitting, utility interconnection, and commissioning under one contract. See how the EPC model works.

In-House C-10 Crews

State-certified Journeymen and Apprentices self-perform the electrical scope. Electricians first. Solar second. CSLB License #1137888.

Built to Last

Tier-1 equipment with 25-year manufacturer warranties, designed for 30-year+ serviceability and supported by our O&M services.

Project Questions

What does commercial solar cost per watt in Southern California? +
Most Southern California commercial installations run $2.20 to $3.20 per watt installed before incentives. Smaller systems under 100 kW typically land at the higher end, and larger systems bring the per-watt cost down. Our 2026 cost guide breaks down what drives the range.
What tax credit applies to projects like these? +
The federal Investment Tax Credit covers 30% of the total installed system cost for commercial projects. Systems over 1 MW must meet prevailing wage and apprenticeship requirements to claim the full 30%; systems under 1 MW get it without those conditions.
Who actually installs the systems? +
Keen Energy's own in-house C-10 electrical crews, with state-certified Journeymen and Apprentices. We do not subcontract the electrical scope. CSLB License #1137888.
How long does a project like these take? +
Most commercial projects run about two to four months from signed agreement to permission to operate, and construction itself is usually a matter of weeks. Our timeline guide walks through every phase.

Your Building Could Be the Next Case Study

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Licensed C-10 Electrical Contractor · CSLB #1137888