Kilroy Realty Corporation

Case study

Office

Kilroy Realty Corporation

Kilroy engaged BlackBear Energy as their owner’s representative for onsite solar and storage in2015, resulting in the deployment of numerous projects across their portfolio and reinforcing Kilroy’s position as a renewable energy leader in commercial real estate.

Strategic Approach

Black Bear worked together with Kilroy to evaluate their entire portfolio and identify opportunities for behind-the-meter solar and battery storage peak shaving installations to optimize building efficiency and reduce grid demand. This collaboration allowed Kilroy to scale its renewable energy efforts while navigating the complexities of solar and storage deployment in commercial real estate.

Challenges & Opportunities

Results

In 2018, Kilroy successfully energized 5.2 MW of rooftop and parktop solar across nine office assets in CA with Black Bear’s help. Since then, three new solar installations in San Diego and South San Francisco were added to the portfolio. In total, this brings Kilroy’s total installed solar capacity to over 6 MW, reducing grid demand and providing clean energy directly to the properties.

Kilroy has also deployed onsite energy storage, contracting with a leading storage provider to install batteries at several office assets across Southern California. Black Bear helped structure the deals to convert demand charge cost savings into rental income for Kilroy. Kilroy benefits from peak demand shaving and the storage provider pays rent to Kilroy for the use of their battery storage host locations.

The partnership with Black Bear has enabled Kilroy to expand its renewable energy portfolio efficiently, delivering cost savings while showcasing the company’s leadership in climate action.

Locations

Total MW Energized

Avoid CO2 Emissions

Technology

Solar, Storage

Program Type

Market Segment

Office

Project Benefits

Rent and Energy Savings

Last Updated

January 2026

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Quote

“Installing onsite solar is a critical tool for Kilroy as we work to decarbonize the built environment, allowing us to generate clean energy onsite, deliver long-term value to Kilroy, our tenants and our shareholders, as well as provide a visible demonstration of our commitment to sustainability.”

Sarah King

Senior Vice President, Sustainability, Kilroy Realty Corporation

Recent news.

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10.29.25

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4.14.25

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