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Background

City of Milpitas’ Smart City Energy and Water Savings Program

The Challenge

Modernize the City's public facilities and infrastructure, reduce operating costs, and impact the local environment

Project Overview

The City of Milpitas, located in Silicon Valley, California, serves over 80,000 residents. The city partnered with OPTERRA to implement a comprehensive smart city energy and water savings program.

Key Benefits

01

Energy

• 200 kW of solar energy
• Energy storage and microgrid solution for backup power
• LED lighting upgrades in parks, sports fields, city buildings, and community facilities

02

Savings

• $30 million in net lifetime savings
• $1.5 million saved annually in energy and water costs
• Reduction of utility consumption by more than 4.2 million kWh of electricity per year

03

Community

• Improved public safety with LED streetlight retrofits and controls upgrades
• Enhanced water services with advanced metering infrastructure and leak detection
• Communications support in four languages and a 24/7 call center

Energy Assessment and Strategy

The project began with an evaluation of the city’s public facilities, services, and infrastructure needs. Opterra recommended a range of energy and water conservation measures to enhance environmental and economic benefits. To create a resilient infrastruction, Opterra’s microgrid solution includes solar energy and battery storage to provide backup power during outages, ensuring essential public services remain operational. LED lighting upgrades standardize lighting across city parks, sports facilities, and streetlights, improving public safety. And modernizing the water infrastructure has enhanced water quality and leak resolution.

Implementation and Funding

Milpitas’ City Council approved the program, which includes infrastructure upgrades and energy-saving measures. The city is forecast to save over $1.5 million annually in energy and water costs, with a net lifetime savings of over $30 million.

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