Download - Net-Zero Project: Coastal Maine Botanical Gardens Example

Coastal Maine Botanical Gardens Net-Zero Project Example

Photo by Robert Benson

STEP 1

Collaborative, Integrated Design

Methodology

STEP 2

Immersion in the Soup of the

Universe

STEP 3

Create your Vision / Imagine

your Future

•  Site Options •  Aesthetic Options •  Construction Options

STEP 4

Making your Vision Real

•  R-40 Walls, R-60 Roof, R-5 Windows •  10-20 kBtus

STEP 5

Empower your Team

This is where project team goes

STEP 6

Design Projects like a Living

System

STEP 7

Minimize Loads

•  Insulated Envelope •  Maximize Daylighting •  Reduce Cooling •  Occupancy Controls

STEP 8

Optimize Mechanical

Systems

•  Air Source Heat Pumps •  Energy Recovery Units •  Minimal Distribution •  Rainwater Use

STEP 9

Power with Renewables

STEP 10

Building

STEP 11

Operation for Success

STEP 12

Celebration, Learning & Evaluation

Educating

Path to a Net-Zero Mad River Valley 1.  Calculate existing loads

2.  Estimate load reduction 3.  Estimate renewables needed to meet load 4.  Evaluate changing infrastructure for further reduction

TOTAL ENERGY LOAD: 166,000,000 – 476, 000,000 kWh or 567,000,000 – 1,625,000,000 kBtus

With energy conservation we can realistically expect to reduce energy loads by around 25%. We would then need: 132,000 barrels of oil

55,000 cords of wood, 55,000 acres of woodland 192,300 kW of installed PV, 1150 acres or 1.8 square miles 27 wind turbines (2.3 Mw with 100 meter blades) assuming a wind speed of 7.5 mps, requiring ridgeline placement

A Net-Zero World

Bill Maclay, Design principal Maclay Architects [email protected]

Photo by Ayacop / CC BY 2.5