sun-earth/zero-energy systems

Combined Heat and Power Systems
Using energy efficiently has become a goal across industries in the past decade. Rising energy prices, an increasingly competitive marketplace, and environmental regulation of harmful pollutant emissions have all incited commercial and industrial energy...

by Ragnhildur Sigurdardottir, Bloomberg
Reykjavik Geothermal, a power developer backed by hedge fund billionaire Paul Tudor Jones II, is about to kick off a $4.4 billion project to bring geothermal energy to Ethiopia.
Tapping long-built Icelandic expertise in channeling geothermal power, the developer is preparing to start exploration drilling in September for two 500-MW plants in Corbetti and Tulu Moye, south of the capital Addis Ababa. At full-scale, each project...

Whilst this article [Link Below] mainly blames the politicians, the main issue it neglects to cover with regard to cleaner energy methods [Wind, Sun, Tides and Bio-Digesters] is that of the distortion that misaligned subsidies have.
The initial subsidy for Solar Photo-Voltaic [Solar PV] was so over-generous that a massive 'industry' of direct-selling organisations sprang up almost over-night. These panels soaked up so much subsidy that the scheme has been massively cut back - so...

Whilst this article [Link Below] mainly blames the politicians, the main issue it neglects to cover with regard to cleaner energy methods [Wind, Sun, Tides and Bio-Digesters] is that of the distortion that misaligned subsidies have.
The initial subsidy for Solar Photo-Voltaic [Solar PV] was so over-generous that a massive 'industry' of direct-selling organisations sprang up almost over-night. These panels soaked up so much subsidy that the scheme has been massively cut back - so...