Related Experiment Video
Updated: May 16, 2026

07:08
CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light
Published on: June 12, 2019
The 50 percent solution to reducing energy costs.
1Corporate Realty, Design & Management Institute, Portland, Oregon, USA. awhitson@squarefootage.net
Summary
Hospitals can achieve significant energy savings by implementing a strategic five-step process. This involves defining financial targets, leveraging incentives, and establishing robust performance tracking for sustainable facility management.
Area of Science:
- Healthcare Management
- Sustainable Operations
- Financial Strategy
Background:
- Hospitals face increasing pressure to reduce operational costs and environmental impact.
- Energy consumption represents a significant portion of hospital expenditures.
- Implementing sustainable practices is crucial for long-term financial viability and regulatory compliance.
Purpose of the Study:
- To outline a practical, five-step framework for hospitals to achieve substantial energy savings.
- To provide actionable strategies for financial planning and performance management in hospital energy initiatives.
- To demonstrate how to create a self-funding mechanism for continuous energy efficiency improvements.
Main Methods:
- Defining a minimum acceptable return on investment (ROI) or hurdle rate for energy projects.
- Actively seeking available incentives, rebates, and tax benefits to offset project costs.
- Establishing a 10-year investment horizon for all energy project portfolios.
- Implementing a systematic approach for tracking and reporting the operational and financial performance of energy projects.
- Allocating 50% of achieved savings back to the facilities department and reinvesting the remainder into new projects.
Main Results:
- A structured five-step process enables hospitals to systematically pursue and achieve energy savings.
- Financial metrics like ROI and investment horizons guide strategic decision-making for energy efficiency projects.
- Performance tracking ensures accountability and demonstrates the financial benefits of sustainability initiatives.
- A reinvestment strategy ensures continuous improvement and long-term energy cost reduction.
Conclusions:
- Hospitals can effectively reduce energy costs through a defined, strategic, and financially-driven approach.
- The proposed five-step process provides a roadmap for sustainable energy management and financial optimization in healthcare facilities.
- Consistent performance tracking and reinvestment of savings are key to maintaining and enhancing energy efficiency over time.
Related Concept Videos
Electrical Energy
Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules. The...
Reducing Line Loss
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
Power Factor Correction
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
Power Distribution in Three-phase and Single Phase Circuits
Power distribution within electrical circuits is a foundational aspect of residential and industrial energy systems. While single-phase power is common in residential settings, three-phase power is the standard for industrial environments with heavy machinery. Each system is different and has advantages, and it's crucial to understand the underlying principles of power distribution and material efficiency.
Single-Phase Power Distribution:
Single-phase circuits are typical in household settings;...
Single-Phase Power Distribution:
Single-phase circuits are typical in household settings;...
Energy Conservation and Bernoulli's Equation
Applying the conservation of energy principle or the work-energy theorem to an incompressible, inviscid fluid in laminar, steady, irrotational flow leads to Bernoulli's equation. It states that the sum of the fluid pressure, potential, and kinetic energy per unit volume is constant along a streamline.
All the terms in the equation have the dimension of energy per unit volume. The kinetic energy per unit volume is called the kinetic energy density, and the potential energy per unit volume is...
All the terms in the equation have the dimension of energy per unit volume. The kinetic energy per unit volume is called the kinetic energy density, and the potential energy per unit volume is...
Energy Budgets
Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species, like annual plants, have only one reproductive episode in their lifetimes and consequently have short lifespans. Iteroparous species, by contrast, have many reproductive events during their lifetimes but have relatively few offspring. These two...

