Overall Rating Silver - expired
Overall Score 52.54
Liaison Tom Hartzell
Submission Date Feb. 26, 2020

STARS v2.2

Calvin University
OP-6: Clean and Renewable Energy

Status Score Responsible Party
Complete 0.00 / 4.00 Jack Phillips
Mechanical Director
Physical Plant
"---" indicates that no data was submitted for this field

Total energy consumption, performance year:
255,902.20 MMBtu

Clean and renewable electricity (report kilowatt-hours):
kWh MMBtu
Imported electricity from certified/verified clean and renewable sources (i.e., bundled green power purchases) 0 Kilowatt-hours 0 MMBtu
Electricity from on-site, clean and renewable sources (rights retained/retired) 11,660.50 Kilowatt-hours 39.79 MMBtu

A brief description of the certified/verified sources of clean and renewable electricity:


A brief description of the on-site renewable electricity generating facilities/devices:

The campus has 3 renewable electricity devices. There is a solar roof that generates a quantifiable amount of electricity. The other 2 devices, solar panels and wind turbine do not produce enough electricity to be quantified on this scale and are used for classroom teaching. Time period taken from July 9th, 2018 to July 6th, 2019.

Clean and renewable thermal energy (report MMBtu):
Clean and renewable stationary fuels used on-site to generate thermal energy 0 MMBtu
Imported steam, hot water, and/or chilled water from certified/verified clean and renewable sources 0 MMBtu

A brief description of the clean and renewable stationary fuels:

A brief description of the certified/verified sources of clean and renewable thermal energy:

Unbundled renewable energy products (report kWh):
kWh MMBtu
Purchased RECs, GOs, I-RECs or equivalent unbundled renewable energy products certified by a third party 0 Kilowatt-hours 0 MMBtu

A brief description of the unbundled renewable energy products:

Total clean and renewable energy generated or purchased:
39.79 MMBtu

Percentage of total energy consumption from clean and renewable sources:

Website URL where information about the institution’s support for clean and renewable energy is available:

Electricity use, by source (percentage of total, 0-100):
Percentage of total electricity use (0-100)
Biomass ---
Coal 22
Geothermal ---
Hydro 3
Natural gas 36
Nuclear 9
Solar photovoltaic 4
Wind 4
Other (please specify and explain below) 22

A brief description of other sources of electricity not specified above:

In the other category:
10% oil
0.2% Market purchases
12% Pumped Storage

This data comes from Consumers Energy, https://www.consumersenergy.com/community/sustainability/energy-mix
Wind, Solar and Hydro are individual estimates from a 11% share of the market. Estimates are based on previous report.

Energy used for heating buildings, by source::
Percentage of total energy used to heat buildings (0-100)
Biomass ---
Coal ---
Electricity ---
Fuel oil ---
Geothermal ---
Natural gas 100
Other (please specify and explain below) ---

A brief description of other sources of building heating not specified above:

Additional documentation to support the submission:

See attached Excel sheet for solar power data / calculations. Information on solar panel power comes from Chuck Holwerda.

There are two dorm rooms metered by geothermal, they are unmetered so we have no data on them.

The information presented here is self-reported. While AASHE staff review portions of all STARS reports and institutions are welcome to seek additional forms of review, the data in STARS reports are not verified by AASHE. If you believe any of this information is erroneous or inconsistent with credit criteria, please review the process for inquiring about the information reported by an institution or simply email your inquiry to stars@aashe.org.