我们的环境管理历史

Black Hills Energy constructs the first air-cooled power plant in the United States, with water savings of 90% compared to traditional thermal cooled power plants.

Our team constructs the first large scale air-cooled power plant in United States.

我们开始植树计划, 它已经避免了超过2800万磅的碳排放, filtered 80 million gallons of stormwater and saved 7 million kWh to date.

Black Hills Energy begins installing several Compressed Natural Gas (CNG) stations throughout our natural gas utility territories. These stations reduce emissions from our company vehicle fleet and give the public access to a cleaner fuel. 我们也澳门金沙登录提供一些私人拥有的CNG站点.

We build the most emission-efficient power plant in the nation at the time, 超过了1990年《澳门金沙登录》的标准. It includes a circulating dry scrubber ensuring reduced sulfur emissions by more than 90% as compared to older vintage plants – only the second power plant in the nation to use this technology.

通过与技术供应商建立澳门金沙登录伙伴关系, Black Hills Energy beta tests flexible jet engine technology and demonstrates that the technology is the most emission efficient way to integrate wind generation. We use what we learn to help other electric utilities across the west integrate wind generation.

我们开始了我们的鸟类保护计划, 保护成千上万的候鸟, 受威胁或濒危鸟类, 猛禽和水禽.

Our Wygen I power plant is the first in nation to demonstrate mercury emission scrubbing years ahead of EPA regulations for mercury emission limits.

Black Hills Energy starts exploring renewable natural gas projects, 从林肯的垃圾填埋场开始, 内.

We add 30 MW of wind energy to our fleet with the Happy Jack wind project through purchase power agreement.

The Silver Sage wind project adds another 30 MW of wind power to our generation mix through purchase power agreement.  

The EPA uses data from our modern Wygen power plant fleet to set mercury limits for Best Available Control Technology.

Black Hills Energy begins the process of bare steel and cast-iron pipe replacements, 这样可以减少气体逸散排放的风险.

Busch Ranch I is commissioned, adding 40 MW of renewable energy to our fleet.

Our 380 MW Pueblo Airport Generating Station is completed, utilizing the most energy efficient technology in the world.  The technology also provides us the flexibility to regulate intermittent renewable generation with ramp up rates of 30 MW per minute and the capability to be at full plant output in 10 minutes.

我们淘汰了75兆瓦的燃煤发电. Replacing these aged coal plants sets a new environmental benchmark for the Black Hills Energy fleet. 

我们完成了夏延草原发电站, 我们的天然气联合循环发电厂, 取代我们已经退役的燃煤电厂. It utilizes new technology with manufacturer-guaranteed greenhouse gas emission limits and is the most fuel-efficient combined cycle power plant in the world for its size.   

All cast iron pipe in our gas distribution and transmission system is replaced.

Black Hills Energy enters Colorado’s Environmental Leadership Program at the highest level (Gold) and wins 24-Karat Award for project in 2014.

Peak View wind project is commissioned, adding another 60 MW of wind energy to our fleet.

Our team begins using sophisticated equipment for aerial surveys that goes beyond regulatory requirements to find small leaks in our pipelines.

Due to our replacement efforts of bare steel and cast iron, nearly 99% our natural gas infrastructure is now comprised of materials with the lowest emission factors.

Three renewable natural gas projects go into service including the landfill in Butler County, 内; the water resource recovery center in Dubuque, Iowa; and the landfill in Sarpy County, 内.

We add 89 MW of wind to our generation fleet with the Top of Iowa wind project.

Another 12 MW of wind energy is added to our generation mix through a power purchase agreement with the Silver Sage wind project.

Black Hills Energy starts using an additional 60 MW of wind energy through a power purchase agreement.  

Our Busch Ranch II wind project adds another 60 MW of wind energy to our fleet.

我们推出了ReadyEV, 电动车充电器返利计划, 增加电动汽车的使用.

我们的52.5mw Corriedale风电项目竣工.

We introduce thermal cameras for compressor station leak checks – going beyond regulatory requirements for inspections.

Two new renewable natural gas projects are planned to be in service by the end of 2020, including the water resource recovery facility in Lincoln, 内. 以及爱荷华州迪比克的垃圾填埋场.

Black Hills Energy joins the EPA’s Methane Challenge, committing to three best management practices.

We sign on as the site host for a potential coal-fired flameless pressurized oxy (FPO) combustion re搜索 project, a new technology to cost effectively utilize coal with little to no emissions.